GSA Federal Acquisition Service
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MAS Multiple Award Schedule
Professional Services - Technical and Engineering Services (non-IT)
Category Description
541330ENG Engineering Services Services include: applying physical laws and principles of engineering in the design, development, and utilization of machines, materials, instruments, processes, and systems. Services may involve any of the following activities: provision of advice, concept development, requirements analysis, preparation of feasibility studies, preparation of preliminary and final plans and designs, provision of technical services during the construction or installation phase, inspection and evaluation of engineering projects, and related services.

NOTE: Services under this SIN cannot include architect-engineer services as defined in the Brooks Act and FAR Part 2, or construction services as defined in FAR Parts 2 and 36.
1079 contractors

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ZERO POINT, INCORPORATED 47QRAA22D0095 757-561-2230 VIRGINIA BEACH ,VA s/dv
ZARI CONSULTING GROUP, INC. GS-00F-320GA (888)600-5226 PETALUMA ,CA s  
ZANTECH IT SERVICES, INC. 47QRAA19D004L 7032861393 TYSONS CORNER ,VA s/w/wo/d
YORKTOWN SYSTEMS GROUP, INC. 47QRAA19D0030 877-406-0262 HUNTSVILLE ,AL o
YETISPACE, INC. 47QRAA19D001W 2566827645 HUNTSVILLE ,AL s
YANG ENTERPRISES, INC. GS-10F-0135Y 407 365 7374 OVIEDO ,FL s/w/wo/d
XCEL ENGINEERING, INC. 47QRAA22D00D0 865-766-8543 OAK RIDGE ,TN s/dv
XCEL ENGINEERING, INC. GS-10F-0211P 865-481-3200 OAK RIDGE ,TN s/dv
X TECHNOLOGIES, INC. 47QRAA18D00EY 2102986037 SAN ANTONIO ,TX s/d
WSP USA SOLUTIONS INC. 47QRAA18D002R 202-303-2613 WASHINGTON ,DC o
WPL, INC.       GS-10F-0187X 310-546-4099 COLORADO SPRINGS ,CO s
WORLDWIDE COUNTER THREAT SOLUTIONS, LLC 47QRAA19D00CM 703-412-9394 FREDERICKSBURG ,VA s/dv
WOOLPERT, INC. GS-00F-0038N 937-531-1309 BEAVERCREEK ,OH o
WOOD ENVIRONMENT & INFRASTRUCTURE SOLUTIONS, INC. GS-00F-314CA 610-877-6109 BLUE BELL ,PA o
WJAB ENTERPRISES, INC. 47QRAA19D0099 (810)516-1157 BLOOMFIELD HILLS ,MI s/w/wo  
WISENGINEERING LLC 47QTCA22D007T 8622091135 DENVILLE ,NJ s/w/wo/ew/d/8a
WILLOWVIEW CONSULTING, LLC GS-10F-0315V 2082500211 EAGLE ,ID s/w/wo/d
WILLETT, HOFMANN & ASSOCIATES, INC.       47QRAA22D00F0 (815)284-3381 DIXON ,IL s    
WILLCOR, INC.       47QRAA22D00BF 301-405-9990 COLLEGE PARK ,MD s/d/h
WILLBROOK SOLUTIONS, INC. GS-10F-0299V 2564895820 EXT 107 HUNTSVILLE ,AL s/w/wo
WESTWATER ENGINEERING, INC. 47QRAA20D002M 9702417076 GRAND JUNCTION ,CO s/w/wo/ew
WAVELINK, INC. GS-10F-0397Y 256-776-7216 HUNTSVILLE ,AL s/w/wo
WATER & ENVIRONMENTAL TECHNOLOGIES 47QRAA22D00DS (406)490-2916 BUTTE ,MT s    
WARRANT TECHNOLOGIES LLC 47QRAA19D000G 8123616721 BLOOMINGTON ,IN s/dv/d
W. ALLEN ENGINEERING PLLC 47QRAA22D004C 9172958275 NEW YORK ,NY s/dv/d
W R SYSTEMS LTD. GS-00F-317GA 703-934-0200 FAIRFAX ,VA o
VT AEPCO INC. 47QRAA23D001W (757)217-0724 HUNTSVILLE ,AL o    
VT AEPCO INC. GS-23F-0191N 301-863-6512 HUNTSVILLE ,AL o
VSE CORPORATION GS-00F-213CA 703-329-4724 ALEXANDRIA ,VA o
VOIGT PETERS ASSOCIATES, LLC GS-00F-048GA 703-861-4856 ARLINGTON ,VA s/dv/d
VISIONARY PRODUCTS, INC.       47QRAA19D008Y 801-260-4010 DRAPER ,UT s
VISION CENTRIC INC. GS-10F-0034U 256-830-0042 MADISON ,AL s/dv/d
VIGYAN, INC. 47QRAA21D0023 757 865-1400 X202 HAMPTON ,VA s/w/wo/d
VICTORY SOLUTIONS, INC. GS-10F-0011U 256-895-2867 HUNTSVILLE ,AL s/w/wo/dv
VETERANS PROFESSIONAL SERVICES, LLC GS-00F-165GA 240-832-4143 GERMANTOWN ,MD s/v
VETERAN ENTERPRISE TECHNOLOGY SERVICES, LLC 47QRAA18D00EU 7033497600 ASHBURN ,VA s/dv
VERSAR, INC. 47QRAA18D00F7 703-642-6793 WASHINGTON ,DC o
VERSAR, INC. 47QRAA22D0055 202-567-2186 WASHINGTON ,DC o
VERITY INTEGRATED SYSTEMS, INC. GS-00F-321GA 256-489-5680 HUNTSVILLE ,AL s/w/wo/ew/d
VENTURI, LLC GS-00F-044CA 2567052019 HUNTSVILLE ,AL s/d
VELOS LLC 47QRAA18D00G6 703-822-5777 PRINCESS ANNE ,MD s/h
VECTRUS SYSTEMS CORPORATION GS-00F-050CA 7196374506 MCCLEAN ,VA o
VECTOR RESOURCE, INC       GS-00F-0004U 619-433-9586 ERIE ,PA s/w
VAULTES, LLC 47QRAA19D00B1 202-503-9128 RESTON ,VA s/dv/d/8a
VANASSE HANGEN BRUSTLIN INC GS-00F-116CA 804-441-7439 WILLIAMSBURG ,VA o
VANA SOLUTIONS LLC       47QRAA18D00E2 (937)242-6399 BEAVERCREEK ,OH s/w/wo/ew/d  
VALKYRIE ENTERPRISES, LLC 47QRAA18D00DP (757)962-2545 VIRGINIA BEACH ,VA o  
VALIANT GROUP LLC 47QRAA23D000N 717-553-0165 LANCASTER ,PA s/dv/d
VALI, INC. GS-23F-0037S 2705854538 HUNTSVILLE ,AL s/dv
VALI COOPER INTERNATIONAL, LLC GS-10F-0182Y (985) 789-3430 COVINGTON ,LA s/dv
VAIL NETWORK COMPANY, INC. 47QRAA19D0017 440-729-0514 CHESTERLAND ,OH s
UTAH STATE UNIVERSITY SPACE DYNAMICS LABORATORY       GS-23F-0046P 435-999-7055 NORTH LOGAN ,UT o
USFALCON, INC. GS-00F-322GA 919.459.1955 CARY ,NC s/dv
URBAN ENGINEERS, INC. GS-10F-0292T 215-922-8080 X1466 PHILADELPHIA ,PA o
UPSLOPE ADVISORS INC. 47QRAA21D002C 3038861125 DENVER ,CO s/d/8a
UNIVERSITY OF DAYTON GS-23F-0143R 937-229-2920 DAYTON ,OH o
UNIVERSITY OF CENTRAL FLORIDA BOARD OF TRUSTEES, THE GS-00F-413GA 407-882-1168 ORLANDO ,FL o
UNIVERSAL TECHNICAL RESOURCE SERVICES, INC.       47QRAA19D009N 856-438-1114 CHERRY HILL ,NJ o
UNIVERSAL SOLUTIONS INTERNATIONAL, INCORPORATED 47QRAA19D002G 757-563-5530 NEWPORT NEWS ,VA s/dv
UNIVERSAL ENGINEERING CONSULTING SERVICES, LLC 47QRAA22D0067 817-339-6049 GRAPEVINE ,TX s/w/wo/ew/d
UNIFIED BUSINESS TECHNOLOGIES, INC. GS-10F-0230X 248-588-1781 TROY ,MI s/w/wo/ew/d
UNDERWRITERS LABORATORIES INC.       47QRAA18D007T 847-664-3475 NORTHBROOK ,IL o
UNCONVENTIONAL CONCEPTS, INC. 47QRAA21D008S 850-243-4411 FORT WALTON BEACH ,FL s
UL LLC GS-10F-0426Y 717-459-3391 NORTHBROOK ,IL o
TYVAK NANO-SATELLITE SYSTEMS, INC. 47QRAA18D00DG (949)753-1020 IRVINE ,CA s  
TYTO GOVERNMENT SOLUTIONS, INC. GS-00F-350CA 7033429859 HERNDON ,VA o
TURNAROUND FACTOR INC       47QRAA22D00BG 8044042629 RICHMOND ,VA s/dv
TUKUH TECHNOLOGIES, LLC       47QRAA21D000R 816-708-1045 KANSAS CITY ,MO s/d/8a
TUBA GROUP, INC. GS-00F-222CA 7034179410 FALLS CHURCH ,VA s/d/8a
TSYMMETRY, INC. GS-35F-0378W 703-283-2994 ARLINGTON ,VA o
TSM CORPORATION GS-00F-284CA 407-443-4709 RESTON ,VA o
TRS RANGE SERVICES, LLC 47QRAA20D0082 (859)392-0431 EAGLE ,ID s/d    
TROY 7, INC. GS-00F-202GA 256-799-7706 HUNTSVILLE ,AL s/d
TRIVECTOR SERVICES, INC.       GS-10F-109CA 2564292171 HUNTSVILLE ,AL s/dv
TRISEPT CORPORATION GS-10F-0118V 703-297-4622 CHANTILLY ,VA s
TRIDEUM CORPORATION GS-10F-0130T 256-704-6112 HUNTSVILLE ,AL s
TRIDENTIS, PLLC GS-10F-0462Y 7032444920 ALEXANDRIA ,VA s
TRIDENT TECHNOLOGIES, LLC       GS-23F-0157P 256-705-5449 HUNTSVILLE ,AL o
TRAX INTERNATIONAL CORPORATION       47QRAA19D0072 702-216-4457 LAS VEGAS ,NV o
TRAUNER CONSULTING SERVICES, INC. GS-10F-0282Y 215-814-6400 PHILADELPHIA ,PA s
TRANSYSTEMS CORPORATION 47QRAA19D001C 510-835-9898 KANSAS CITY ,MO o
TRANSPO GROUP USA, INCORPORATED       47QRAA21D0051 845-207-0786 KIRKLAND ,WA s
TRANSPACIFIC TECHNOLOGIES, INC. 47QRAA22D0075 626-701-2305 PASADENA ,CA s/w/wo/ew/d
TQI SOLUTIONS, INC.       47QTCA18D007P 757-222-1436 NORFOLK ,VA s/dv
TOYON RESEARCH CORPORATION 47QRAA22D00CR (805)968-6787 GOLETA ,CA s    
TOYON RESEARCH CORPORATION GS-23F-0041P 805-968-6787 GOLETA ,CA s
TOXCEL LLC 47QRAA22D003L 7037540248 GAINESVILLE ,VA s/d
TOTAL SOLUTIONS, INC. GS-23F-0253R 256-705-0128 MADISON ,AL s/w/wo/d
TORCH TECHNOLOGIES INC GS-23F-0321N 256-319-6000 HUNTSVILLE ,AL o
TOLLIVER GROUP, INC., THE GS-00F-0013W 2567150488 HUNTSVILLE ,AL s
TM CAPTURE SERVICES, LLC       47QRAA19D001Z (937) 426-2596 BEAVERCREEK ,OH s/w/wo/ew/d/8a
TKK LLC 47QRAA22D008A 925-872-4700 LIVERMORE ,CA s/w/wo/ew
TIER 1 PERFORMANCE SOLUTIONS, LLC 47QRAA21D0074 202-556-1841 COVINGTON ,KY s
THOMPSON GRAY, INC. GS-00F-097DA 256-582-1414 HUNTSVILLE ,AL o
THOMPSON & YOUNGROSS ENGINEERING CONSULTANTS, LLC 47QRAA22D00DM (561)900-2447 BOCA RATON ,FL s    
THE MIL CORPORATION GS-35F-443GA 301-866-2006 BOWIE ,MD o
TEXAS RESEARCH INSTITUTE, AUSTIN, INC. 47QRAA19D0056 512-263-3272 AUSTIN ,TX s
TETRA TECH, INC. GS-00F-168CA 8056813102 PASADENA ,CA o
TESTPROS, INC. 47QTCA19D00G9 8036690964 STERLING ,VA s
TESLA LABORATORIES INC. GS-23F-0208S 571.303.9483 ARLINGTON ,VA s/dv/d
TERRACON CONSULTANTS, INC. 47QRAA20D0065 9132027528 OLATHE ,KS o
TERASENSE, INC. 47QRAA21D00AK 9082167839 BALTIMORE ,MD s/d/8a/h
TELTRIUM SOLUTIONS, LLC 47QRAA20D001Y (301)741-2711 GREENBELT ,MD s/d/8a    
TELGIAN ENGINEERING & CONSULTING, LLC 47QRAA21D0010 480-929-8062 PHOENIX ,AZ o
TELEDYNE BROWN ENGINEERING, INC. GS-00F-155CA (256)726-4345 HUNTSVILLE ,AL o  
TEKLA RESEARCH, INC. GS-10F-073AA (703)492-2620 FREDERICKSBURG ,VA s/dv    
TEJJY, INCORPORATED 47QRAA21D008C (240) 595-4210 POTOMAC ,MD s/w/wo/ew/d
TEHAMA, LLC       47QRAA18D00A4 719-437-5131 KANSAS CITY ,MO s/d/8a
TECTONIC ENGINEERING CONSULTANTS, GEOLOGISTS & LAND SURVEYORS, D.P.C. GS-00F-015BA 1-845-534-5959 MOUNTAINVILLE ,NY o
TECOLOTE RESEARCH, INC. GS-00F-052CA 805-571-6366 GOLETA ,CA s
TECHSOURCE, INC. GS-00F-003DA 5054126251 LOS ALAMOS ,NM s
TECHNOMICS, INC. GS-00F-103DA 571-366-1428 ARLINGTON ,VA s
TECHNOLOGY VENTURES INC. 47QSMA21D08Q0 5865736000 WARREN ,MI s/w/wo/dv/d
TECHNOLOGY SERVICE CORPORATION GS-23F-0240S 301-576-2372 ARLINGTON ,VA o
TECHNOLOGY PROJECT MANAGERS, INC.       47QTCA19D00ER 202-374-2700 SILVER SPRING ,MD s/d/8a
TECHNICAL SYSTEMS INTEGRATION, INC. GS-00F-237CA 7039559575 NORFOLK ,VA s/dv
TECHNICAL AND PROJECT ENGINEERING, LLC GS-10F-0026S 703-924-4015 ALEXANDRIA ,VA s/w/wo/ew/dv
TECHNI-CORE ENGINEERING INC 47QRAA20D009E 2567040234 HUNTSVILLE ,AL s/w/wo
TECHFLOW, INC. 47QTCA19D0048 858-412-8000 SAN DIEGO ,CA o
TECH7 CONSULTING, LLC 47QRAA21D0059 719-896-1770 MONUMENT ,CO s/dv/d/8a
TEC-MASTERS INC. GS-00F-0004X 256-830-4000 HUNTSVILLE ,AL s/d
TEC SOLUTIONS LLC 47QRAA21D002W 703-926-0094 MC LEAN ,VA s
TEAMWORKNET, INC GS-23F-0182R 8633271080 LAKELAND ,FL s
TARGETED APPROACH LLC 47QRAA20D004Z (703)725-8087 MANASSAS ,VA s/dv/d
TALSON SOLUTIONS LLC 47QRAA20D0025 (215)592-9634 PHILADELPHIA ,PA s/d  
TAI ENGINEERS, LLC GS-00F-020GA 504-282-6166 NEW ORLEANS ,LA s/d
T3W BUSINESS SOLUTIONS, INC. 47QRAA19D000N 6192980888 SAN DIEGO ,CA s/w/wo
SYSTEMS TECHNOLOGY & RESEARCH, INC.       47QRAA22D00BA 256-529-2799 HUNTSVILLE ,AL s
SYSTEMS TECHNOLOGIES, INC.       GS-00F-0002U 732-571-6400 WEST LONG BRANCH ,NJ s
SYSTEMS PRODUCTS AND SOLUTIONS, INC.       GS-00F-137CA 256-382-7736 HUNTSVILLE ,AL s/w/wo
SYSTEMS PLANNING AND ANALYSIS, INC. GS-00F-186CA 703-399-7017 ALEXANDRIA ,VA o
SYSTEMS KINETICS INTEGRATION GS-00F-288CA (443)534-7723 MARSTONS MILLS ,MA s/dv  
SYSTEMATIC MANAGEMENT SERVICES, INC. GS-00F-241CA 3013530072 FREDERICK ,MD s
SYSTEM STUDIES & SIMULATION, INC 47QRAA19D005Y 256-539-1700 X1117 HUNTSVILLE ,AL s/w/wo
SYSTEM DYNAMICS INTERNATIONAL INCORPORATED 47QRAA23D0017 256-895-7189 HUNTSVILLE ,AL s/w/wo
SYSTEM DYNAMICS INTERNATIONAL INCORPORATED GS-23F-0033P (256) 895-9000 HUNTSVILLE ,AL s/w/wo
SYNTEK TECHNOLOGIES INC.       47QRAA20D009C 7035221025 FAIRFAX ,VA s/w/wo
SYNERGY BUSINESS INNOVATION & SOLUTIONS INC. 47QRAA19D0042 571-375-7723 RESTON ,VA s/d/8a
SYNERGISTICS, INC. 47QRAA19D000Y (800)875-7921 KENNEWICK ,WA s/d  
SYNEREN TECHNOLOGIES, CORPORATION 47QRAA18D005W 3018300529 ARLINGTON ,VA s/w/wo/ew/d
SYNEREN TECHNOLOGIES, CORPORATION 47QTCA19D007L 3018300529 ARLINGTON ,VA s/w/wo/d
SYMVIONICS, INC GS-23F-0357N 626-305-1400 X 228 ARCADIA ,CA s
SVERDRUP ENGINEERING SERVICES, PLLC 47QRAA22D00DW 520-271-4842 TUCSON ,AZ s/w/wo
SUSQUEHANNA VALLEY ENGINEERING GROUP, INC. 47QRAA18D003V 7178855532 DALLASTOWN ,PA s
SURF TO SNOW ENVIRONMENTAL RESOURCE MANAGEMENT, INC. 47QRAA21D000B 925-362-3114 SAN RAMON ,CA s/dv/d
SUMMIT TECHNICAL SOLUTIONS LLC GS-10F-0347T 719-309-6312 COLORADO SPRINGS ,CO s/w/wo/v
STV INCORPORATED 47QRAA22D0097 703-599-4961 DOUGLASSVILLE ,PA o
STUDDIFORD TECHNICAL SOLUTIONS, LLC 47QRAA20D006Y 2032060533 ALEXANDRIA ,VA s
STS INTERNATIONAL, INCORPORATED       47QRAA19D00C9 703-575-5180 BERKELEY SPRINGS ,WV o
STREET LEGAL INDUSTRIES, INC 47QRAA19D00A7 865-483-6373 OAK RIDGE ,TN s/w/wo/ew/d/8a/h
STRATITIA INC. 47QRAA19D006J 3017885924 SPRINGFIELD ,VA s
STRATEGY CONSULTING TEAM, LLC 47QRAA18D00BB 703-408-4056 FAIRFAX ,VA s/w/wo/d
STRATEGIC VENTURES CONSULTING GROUP, LLC GS-00F-071GA (703)634-3673 FALLS CHURCH ,VA s/dv  
STRATEGIC TECHNOLOGY INSTITUTE INC GS-00F-164CA 301-770-7077 ROCKVILLE ,MD s/d
STRATEGIC MANAGEMENT SOLUTIONS, LLC 47QRAA19D008M 505-907-6593 ALBUQUERQUE ,NM s
STRATEGIC INNOVATION GROUP LLC 47QTCA22D0077 571-895-4845 ARLINGTON ,VA s/d/8a
STRATEGIC ANALYSIS, INC. GS-00F-342CA 703-797-2288 ARLINGTON ,VA o
STRATEGIC ALLIANCE CONSULTING INC. GS-00F-372GA 703-224-8880 WARRENTON ,VA s/dv
STRATEGIC ALLIANCE BUSINESS GROUP LLC GS-10F-0316P 703-717-5620 FAIRFAX ,VA s/w/wo/ew/dv
STRATAGEM SOLUTIONS, INCORPORATED 47QRAA20D004V 2569198208 HUNTSVILLE ,AL s/v
STRATA-G SOLUTIONS, LLC GS-10F-0287W 256-705-4316 HUNTSVILLE ,AL s/d
STRATA G, LLC GS-00F-004CA 8659343400 KNOXVILLE ,TN o
STEMBOARD, LLC 47QRAA20D0039 703-884-2121 ARLINGTON ,VA s/w/wo/ew/d/8a
STELLAR SOLUTIONS, INC. 47QRAA18D00FQ 703-657-2734 PALO ALTO ,CA s/w/wo
STELL ENVIRONMENTAL ENTERPRISES, INC. 47QRAA23D000D 303-638-2233 EXTON ,PA s/w/wo/ew/dv/8a
STARGATES, INC. GS-00F-0033Y 703-465-7955 ARLINGTON ,VA s
STANTON ENGINEERING SERVICES LLC 47QRAA18D0078 (410)290-9301 COLUMBIA ,MD s  
STANTEC CONSULTING SERVICES INC. 47QRAA19D000Q 916-418-8338 BROOMFIELD ,CO o
ST. ONGE COMPANY 47QRAA18D00BS 717-840-8181 YORK ,PA o
SSFM INTERNATIONAL, INC       47QRAA18D00ET 1(808)356-1275 HONOLULU ,HI s
SRC, INC. 47QRAA19D005N 3154528165 SYRACUSE ,NY o
SPORIAN MICROSYSTEMS INC       47QRAA18D00BN 303-516-9075 LAFAYETTE ,CO s
SPECTRUM INC 47QRAA18D00F5 865-806-7577 OAK RIDGE ,TN s/v/d
SPECTRUM COMM INC. GS-00F-318CA 757-224-7500 NEWPORT NEWS ,VA o
SPECTRUM CENTER GOVERNMENT SERVICES, LLC 47QRAA19D001F 703-752-0462 MCLEAN ,VA s/w/wo
SPECTRA TECH, INC. GS-00F-264CA 865-813-2131 OAK RIDGE ,TN s
SPECIALIZED ENGINEERING SOLUTIONS, INC. GS-21F-037GA 4029915520 OMAHA ,NE s/dv
SPECIAL AEROSPACE SERVICES GS-10F-0456X (303)625-1010 BOULDER ,CO s/w/wo/ew/d/8a  
SPATIAL ENGINEERING, INC. GS-35F-070AA 912-826-6688 RINCON ,GA s/w/wo
SPACEFLIGHT, INC GS-00F-036DA 866-342-9934 SEATTLE ,WA o
SPACE SYSTEMS INTEGRATION, LLC 47QRAA20D001A (703)380-9376 GREAT FALLS ,VA s    
SPACE METRICS, INC. GS-00F-299GA 202-860-0004 WASHINGTON ,DC s/d/8a/h
SPACE EXPLORATION TECHNOLOGIES CORP.       47QRAA21D007N 310-682-7392 HAWTHORNE ,CA o
SPAARK, INC       47QTCA20D00D0 717-658-2429 CHAMBERSBURG ,PA s/w/wo/ew/h
SOS INTERNATIONAL LLC GS-00F-0013R 571-299-1048 RESTON ,VA o
SOS INTERNATIONAL LLC GS-00F-234CA 703-774-1790 RESTON ,VA o
SONALYSTS, INC.       GS-00F-351CA 860-326-3652 WATERFORD ,CT o
SOLVERE TECHNICAL GROUP, LLC       47QRAA22D0073 757-576-6986 VIRGINIA BEACH ,VA s/w/wo/ew/8a
SOLIDUS TECHNICAL SOLUTIONS, LLC 47QRAA21D000C 781-538-0616 LEOMINSTER ,MA s/w/wo/v
SOL ENGINEERING SERVICES, LLC GS-00F-223GA 601-961-1415 JACKSON ,MS s/d/h
SOBRAN, INC. GS-00F-220CA 703-352-9511 DAYTON ,OH o
SKJEI TELECOM, INC. GS-23F-0286P 703-917-9882 VIENNA ,VA s
SJH ENGINEERING PC GS-10F-0477X 7323290500 PRINCETON ,NJ s/d
SJ CONSTRUCTION MANAGEMENT 47QRAA22D0032 510-439-6335 MERCED ,CA s/d
SIRIS LLC 47QRAA19D00CA 8439013540 MOUNT PLEASANT ,SC s/dv/d
SIMULATION TECHNOLOGIES, INC.       GS-10F-100BA 256-428-2904 HUNTSVILLE ,AL s/wo
SIMETRI, INC. 47QRAA21D00AM 3219729980 WINTER PARK ,FL s/w/wo/ew/d/8a
SIGNATURE SOLUTIONS, INC.       GS-00F-207GA 2565081961 HUNTSVILLE ,AL s
SIGNATURE SCIENCE, LLC GS-00F-105CA (877)474-4724 AUSTIN ,TX o  
SIGNALINK, INC GS-00F-038GA 256-529-9096 MADISON ,AL s/w/wo/v
SIGMATECH, INC. GS-00F-060CA 256-319-9212 HUNTSVILLE ,AL s
SIGMARIVER INC. 47QRAA18D00GH 610-793-4390 FRONT ROYAL ,VA s/dv
SIGMA SCIENCE, INC. 47QRAA18D005Q 505-389-2201 ALBUQUERQUE ,NM s/d/8a
SHIVAN TECHNOLOGIES, INC GS-35F-371AA 703-595-6879 LEESBURG ,VA s/w/wo/ew/d/8a/h
SHIPP ENGINEERING SERVICES, LLC 47QRAA22D0096 (903)747-1680 TYLER ,TX s/d    
SHERPA 6, INC. 47QRAA21D000A 703-260-8188 LITTLETON ,CO s/dv
SHARMA & ASSOCIATES INC       GS-10F-0027T 708-588-9871 HINSDALE ,IL s/d
SEVENTH SENSE CONSULTING, LLC GS-00F-102GA 5712416331 WOODBRIDGE ,VA s/dv/d/8a
SEVATEC INC. GS-10F-0142W 571-766-1300 VIENNA ,VA o
SEVAN MULTI-SITE SOLUTIONS LLC 47QRAA18D0072 (708)670-9966 DOWNERS GROVE ,IL s/v  
SEV1TECH INC 47QRAA18D008N 504-831-1900 WOODBRIDGE ,VA s
SEV1TECH INC       GS-10F-0008V 7036629778 WOODBRIDGE ,VA o
SERVO INNOVATIONS, LLC 47QRAA19D00B3 269-792-9279 WAYLAND ,MI s
SERES ENGINEERING & SERVICES LLC 47QRAA18D00ES (843) 216-8531 CHARLESTON ,SC s/d/8a
SERCO INC. GS-00F-129CA 703-414-5016 HERNDON ,VA o
SERCO INC. GS-00F-193CA 703.263.6000 HERNDON ,VA o
SERCO INC. GS-00F-297CA 7034486081 HERNDON ,VA o
SENTINEL CONSULTING, LLC 47QRAA20D005P 888-793-9380 NEW YORK ,NY s/d
SENTAR, INC.       GS-10F-095AA 256-430-0860 HUNTSVILLE ,AL s/w/wo
SENSOR CONCEPTS AND APPLICATIONS, INC. GS-10F-0240Y 4439558899 GLEN ARM ,MD s/w/wo
SEMPER VALENS SOLUTIONS, INC. 47QTCA19D00DW 703-485-5500 CANYON LAKE ,TX s/dv
SELF TECHNOLOGIES, INC.       47QRAA19D001D 256-535-9517 OWENS CROSS ROADS ,AL s/w/wo
SELAH GROUP FLORIDA, INC.       47QRAA22D0011 (321)305-4965 ROCKLEDGE ,FL s/d    
SEI GROUP, INC. 47QRAA19D001U 256-533-0500 HUNTSVILLE ,AL o
SEBA PROFESSIONAL SERVICES LLC GS-23F-057AA 703-856-2078 RIVERDALE ,MD s/w/wo/ew/d/h
SDS INTERNATIONAL, INC.       47QRAA21D004U 540-424-5926 ROCKLEDGE ,FL s/dv
SCITECH SERVICES, INC. GS-02F-0259X 443-303-3623 HAVRE DE GRACE ,MD s
SCIENTIFIC RESEARCH CORPORATION 47QRAA21D0085 770-989-9447 ATLANTA ,GA o
SCIENTIFIC & BIOMEDICAL MICROSYSTEMS, LLC GS-10F-0497X 703-848-8850 GLEN BURNIE ,MD s
SCIENCE SYSTEMS AND APPLICATIONS, INC.       47QRAA23D0014 (301)867-2000 LANHAM ,MD s    
SCIENCE SYSTEMS AND APPLICATIONS, INC. GS-23F-0102N (301)867-2000 LANHAM ,MD s  
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION GS-00F-002CA 703-981-7244 RESTON ,VA o
SCIENCE AND TECHNOLOGY CORPORATION 47QRAA21D0061 757-766-5819 HAMPTON ,VA s
SCIENCE AND TECHNOLOGY ASSOCIATES, INC.       47QRAA19D0082 703-522-5123 ARLINGTON ,VA s
SCIENCE AND ENGINEERING SERVICES, LLC 47QRAA22D009S 256-258-3494 HUNTSVILLE ,AL o
SCHAPER ENERGY CONSULTING LLC       47QRAA22D006K 713-515-4620 HOUSTON ,TX s
SCAVET TECHNOLOGIES LLC GS-10F-087BA 856-218-9496 BLACKWOOD ,NJ s/dv
SAYRES AND ASSOCIATES LLC GS-00F-027CA (202)355-0922 WASHINGTON ,DC o  
SAWDEY SOLUTION SERVICES, INC. 47QRAA18D00AL 937-490-4060 BEAVERCREEK ,OH o
SAVIT CORPORATION 47QRAA21D006Z 973-602-3829 ROCKAWAY ,NJ s
SAVILLS INC. GS-00F-165CA 202-624-8540 WASHINGTON ,DC o
SARGENT & LUNDY ENGINEERING SERVICES, INC       47QRAA22D00ER (312)269-7556 CHICAGO ,IL o    
SAMS CONTRACTING CONSULTING AND TRAINING LLC GS-00F-309DA 210-788-1034 SAN ANTONIO ,TX s/dv/d
SAMES, INC. GS-00F-298GA 9567028880 MCALLEN ,TX s/d/8a/h
SAIN ENGINEERING ASSOCIATES, INC. 47QSHA18D000D 2059094989 BIRMINGHAM ,AL s
SAGE SERVICES GROUP, LLC 47QREA21D0008 240-380-3504 BOWIE ,MD s/w/wo/ew
SABRE SYSTEMS, INC. GS-00F-178CA 215-347-1458 WARMINSTER ,PA o
SA TECHNICAL SERVICES, INC. 47QRAA19D00BL (850)613-6085 NICEVILLE ,FL s/dv
S2 ANALYTICAL SOLUTIONS, LLC 47QRAA19D006L 571-306-0715 HERNDON ,VA s/v
S&K FEDERAL SERVICES, LLC 47QRAA22D008G 603-362-2178 SAINT IGNATIUS ,MT s/d/8a
S & K GLOBAL SOLUTIONS, LLC.       GS-35F-076DA 6033622178 POLSON ,MT s/d/8a
ROCKWOOD COMPANY LLC 47QRAA18D0018 2028416634 WASHINGTON ,DC s/w/wo
ROCK ENGINEERING LLC       GS-00F-319GA (860)841-7106 SOUTH WINDSOR ,CT s  
ROCCOMAR, INC. 47QTCA21D00C2 7036294057 FALLS CHURCH ,VA s/w/wo/ew/d/8a
ROBERT AND COMPANY GS-00F-210GA 4045774000 ATLANTA ,GA s/dv
RMF ENGINEERING, INC., P.C. 47QRAA21D007Y 410-576-0505 BALTIMORE ,MD o
RMA ARCHITECTS, P.S.C. 47QRAA19D009A (404)551-7855 SAN JUAN ,PR s/w/wo/d  
RIVERSIDE TECHNOLOGY, INC. GS-00F-0026P 9705685657 FORT COLLINS ,CO s
RIVERSIDE RESEARCH INSTITUTE 47QRAA19D00CN 937-427-7009 NEW YORK ,NY o
RIGGINS COMPANY, L.C. 47QRAA18D005R 757-826-0525 HAMPTON ,VA s
RICARDO DEFENSE, INC. GS-10F-0212T 248-928-2347 GOLETA ,CA o
RHINOCORPS, LTD CO. 47QRAA22D000P (703) 850-8281 ALBUQUERQUE ,NM s
RHINO FIRE PROTECTION ENGINEERING, PLLC GS-10F-0194Y 7034765034 RESTON ,VA s
RESPEC COMPANY, LLC 47QTCA19D0084 (605) 394-6400 RAPID CITY ,SD o
RESEARCH TRIANGLE INSTITUTE GS-00F-354CA 919-541-6543 RESEARCH TRIANGLE P ,NC o
RELOGIC RESEARCH, INC. 47QRAA23D0024 (256)713-7401 HUNTSVILLE ,AL s/d/8a    
RELIANT TECHNOLOGIES INC       47QRAA22D004V 256-426-8056 HUNTSVILLE ,AL s/v
REED ENTERPRISE CONSULTING LLC       47QRAA18D00EP (256)603-4353 HUNTSVILLE ,AL s/dv/h  
REDHORSE CORPORATION       GS-00F-0013Y 619-241-4609 ARLINGTON ,VA o
REDHORSE CORPORATION GS-07F-134GA (619) 241-4609 ARLINGTON ,VA o
RED GATE GROUP, LIMITED, THE GS-10F-0262X 2026000516 CHANTILLY ,VA s/dv
RED CANYON SOFTWARE, INC       GS-00F-044GA (303)864-0556 DENVER ,CO s/dv/h  
RE MANAGEMENT SOLUTIONS LLC 47QRAA22D007E (301)922-9420 BALTIMORE ,MD s/h    
RDM ENGINEERING, LLC       47QRAA22D0017 202.246.5149 OAK RIDGE ,NJ s
RAYTHEON COMPANY GS-35F-204GA 310-710-8372 WALTHAM ,MA o
RADIANCE TECHNOLOGIES, INC.       47QRAA19D008B 256-489-8960 HUNTSVILLE ,AL s
RADIAL SOLUTIONS INC 47QRAA21D008F 2563052810 HUNTSVILLE ,AL s/dv/d/8a
R3 STRATEGIC SUPPORT GROUP, INC. GS-10F-0116Y (865) 816-4164 CORONADO ,CA s/dv
R2T, INC. GS-00F-129GA (770)569-7038 ATLANTA ,GA s/w/wo/ew/d  
R2C LIMITED LIABILITY COMPANY GS-00F-306GA 256-799-2363 HUNTSVILLE ,AL s/dv
R.P. GATTA, INC.       47QRAA22D007G 216-386-0453 AURORA ,OH s
R C M TECHNOLOGIES, INC.       47QRAA18D00F0 301-986-1412 PENNSAUKEN ,NJ o
QUASARS INCORPORATED 47QTCA18D006V 202-507-9446 WASHINGTON ,DC s/w/wo/h
QUANTUM RESEARCH INTERNATIONAL, INC. 47QRAA19D00A9 256-971-1800 1245 HUNTSVILLE ,AL s
QUANTITECH LLC GS-23F-0320N 256-652-7025 HUNTSVILLE ,AL o
QUANTERION SOLUTIONS INC 47QRAA22D0047 315-732-0097 UTICA ,NY s
QUALITY INNOVATION, INC. 47QRAA18D000E 703-382-6207 AUSTIN ,TX s/dv/h
QUALIS CORPORATION GS-10F-0025U 256-327-3512 HUNTSVILLE ,AL s/w/wo
QTEC, INC       47QRAA22D00D4 (256)883-7994 HUNTSVILLE ,AL s/w/wo    
QINETIQ INC. 47QRAA18D00AA 5406582720 EXT 1441 LORTON ,VA o
QED SYSTEMS, INC. GS-00F-059CA 757-490-5021 VIRGINIA BEACH ,VA o
QED SYSTEMS LLC 47QRAA18D00A9 443-360-4504 ABERDEEN PROVING GR ,MD s
PWC MANAGEMENT, LLC 47QRAA22D001S (412)512-0694 FAIRFAX ,VA s/d    
PURVIS SYSTEMS INCORPORATED GS-10F-0191X (401)849-4750 QUEENS VILLAGE ,NY s  
PROTECTION STRATEGIES INCORPORATED 47QRAA18D0049 (865) 294-5101 KNOXVILLE ,TN s/dv
PROSOURCE CONSULTING, L.L.C. GS-10F-0123T 571-212-1500 GAINESVILLE ,VA s/w/wo/d/8a
PROPERTY CONDITION ASSESSMENTS, LLC       47QRAA22D009Z 661-618-7704 BREA ,CA s/d
PROMODEL GOVERNMENT SOLUTIONS, INC. GS-00F-421GA 860-608-5389 ANN ARBOR ,MI o
PROJECT SUPPORT SERVICES, INC. GS-00F-108CA 352-288-0216 SUMMERFIELD ,FL o
PROJECT SOLUTIONS, INC. GS-00F-025DA 6057370377 RAPID CITY ,SD s/w/wo/ew/d
PROJECT SOLUTIONS GROUP, INC. GS-00F-367GA 7035630480 WARRENTON ,VA s
PROJECT SERVICES GROUP, LLC GS-00F-120CA 770-454-0396 SUWANEE ,GA s/d/8a
PROJECT ENHANCEMENT CORPORATION 47QRAA22D007U 240-686-3059 GERMANTOWN ,MD o
PROJECT CONTROLS GROUP, INC. 47QRAA17D0001 314-647-0707 SAINT LOUIS ,MO s/d
PROFESSIONAL, ACQUISITION, AND TECHNICAL SERVICES, INC. 47QTCA18D007W 703-416-1304 FALLS CHURCH ,VA o
PROFESSIONAL PROJECT SERVICES, INC. GS-00F-112CA 865.220.4377 OAK RIDGE ,TN s
PROFESSIONAL ENGINEERING SERVICES LTD 47QRAA21D008Y (952)456-6707 MINNEAPOLIS ,MN s/w/wo/d    
PROFESSIONAL ANALYSIS INC GS-10F-0078T 7035668025 ALEXANDRIA ,VA s/v
PRODUCTIVITY APEX, INC. GS-10F-0266U (407)222-1256 WINTER PARK ,FL s/w/wo/d/8a  
PRODIMS LLC 47QRAA20D001F 425-828-0500 KIRKLAND ,WA s
PROCON CONSULTING LLC GS-00F-247CA 571-384-2403 ARLINGTON ,VA s
PROCLEARED, LLC 47QRAA19D005W 540-422-1202 CHANTILLY ,VA s/v
PROBITAS PROJECT, INC., THE 47QRAA22D0027 571-201-2966 VIENNA ,VA s/v
PRKK, L.L.C. 47QRAA18D006N (303)246-3377 STUART ,FL s  
PRINTED CIRCUITS CORP. 47QRAA20D007N (770)638-8658 LILBURN ,GA s/d  
PRIMETECH INTERNATIONAL, INC. 47QRAA18D00CY 816-888-7280 NORTH KANSAS CITY ,MO s/w/wo/d/8a
PRESCIENT EDGE CORPORATION 47QRAA18D00CU (917)330-3069 MC LEAN ,VA s/v  
PREFERRED PROGRAM SOLUTIONS INC 47QRAA18D009S (202)688-2742 MADISON ,AL s/dv  
PRECISION TECHNOLOGIES, INC. 47QRAA18D00DZ (301)591-2442 GAITHERSBURG ,MD s/w/wo/d  
PRECISION SCHEDULING CONSULTANTS, LLC GS-00F-253DA 210- 380- 5691 SAN ANTONIO ,TX s/dv
PRECISE SYSTEMS, INC. 47QTCA20D007Q 301-863-3627 LEXINGTON PARK ,MD o
PPT SOLUTIONS, INC. GS-00F-422GA 256-319-0423 HUNTSVILLE ,AL s
POWER & CONTROL ENGINEERING SOLUTIONS, LLC       47QRAA23D001Q (918)307-7657 TULSA ,OK s    
POTOMACWAVE CONSULTING, INC. GS-00F-0007X 703-963-5064 ALEXANDRIA ,VA o
POOLE FIRE PROTECTION, INC. 47QSWA19D007M 913-829-8650 OLATHE ,KS s/w/wo
POND & COMPANY GS-00F-363GA 404-748-4758 PEACHTREE CORNERS ,GA o
POLARIS SENSOR TECHNOLOGIES, INC. GS-00F-198GA 256-562-0087 HUNTSVILLE ,AL s/w/wo
POINT INNOVATION INCORPORATED 47QRAA23D0013 (972)315-9207 LEWISVILLE ,TX s    
PMSI.USA LLC 47QRAA22D00DU (317) 432-6920 NOBLESVILLE ,IN s/dv/d
PMA CONSULTANTS, L.L.C. 47QRAA19D003Y 734-418-7913 DETROIT ,MI o
PLANATE MANAGEMENT GROUP LLC GS-23F-058AA 703-585-1079 ALEXANDRIA ,VA s/dv
PIONEERING EVOLUTION, LLC       GS-00F-219DA 571-357-1901 ARLINGTON ,VA s
PINNACLE SOLUTIONS, INC. GS-00F-0017X 256-489-1565 HUNTSVILLE ,AL o
PHASED N RESEARCH, INC       47QRAA21D001V 2567974631 HUNTSVILLE ,AL s/h
PERKINS EASTMAN ARCHITECTS, D.P.C. 47QRAA22D000H 212-353-7305 NEW YORK ,NY o
PERIKIN ENTERPRISES, LLC GS-00F-003AA 505-333-0501 ALBUQUERQUE ,NM s/d/8a/h
PEREGRINE TECHNICAL SOLUTIONS, LLC GS-35F-233CA 808-796-1364 YORKTOWN ,VA s/d/8a
PERDUCO GROUP, INC., THE 47QRAA18D000L 323-924-1568 BEAVERCREEK ,OH o
PERATON AEROSPACE & DEFENSE INC. GS-23F-0207P 256-922-6783 HUNTSVILLE ,AL o
PEOPLETEC, INC.       47QRAA22D00CX 256-319-3937 HUNTSVILLE ,AL s
PEGASUS TECHNOLOGIES & SOLUTIONS, INC. 47QRAA22D0018 2565291468 HUNTSVILLE ,AL s/dv/d/8a
PEERLESS TECHNOLOGIES CORPORATION GS-00F-355CA 9374753729 FAIRBORN ,OH o
PD SYSTEMS, INC. GS-00F-331CA 703-778-7694 SPRINGFIELD ,VA o
PCI STRATEGIC MANAGEMENT, LLC 47QRAA20D002Z 443-430-0123 COLUMBIA ,MD s/v
PCCI, INC. 47QRAA18D00HE 703-229-1110 ALEXANDRIA ,VA o
PATRONA CORPORATION 47QRAA19D009E 603-506-6154 WASHINGTON ,DC s
PATRICIO ENTERPRISES, INC GS-00F-167GA 703 441-4760 STAFFORD ,VA o
PARTNER ASSESSMENT CORPORATION 47QRAA18D00EE 1-435-294-2558 TORRANCE ,CA o
PARSONS GOVERNMENT SERVICES INC. 47QRAA19D000A (210) 477-1616 PASADENA ,CA o
PARRA CONSULTING GROUP, INC 47QRAA19D00B9 240-686-6042 MIDDLETOWN ,MD s/dv/d/8a/h
PAGNOTTA ENGINEERING INC. 47QRAA19D0016 (859)572-4482 EXTON ,PA s    
P3I, INCORPORATED 47QTCA20D000K 508-435-7882 HOPKINTON ,MA s/w/wo/v
OZELL SERVICES INC 47QRAA21D00AE 215-607-5145 LEVITTOWN ,PA s/d/8a
OVERLOOK SYSTEMS TECHNOLOGIES, INC. GS-10F-0100T 7039724368 VIENNA ,VA s
OUTREACH PROCESS PARTNERS, LLC       GS-00F-0008W (800) 517-1137 EXT 6 BETHESDA ,MD s/w/wo/ew/d
OUTFIT INC., THE       47QRAA18D00EL 8305343178 NEW BRAUNFELS ,TX s/w/wo
OTAK, INC. GS-10F-0401X (503)287-6825 PORTLAND ,OR o    
OST, INC. 47QRAA18D0090 703-462-9700 MCLEAN ,VA o
ORION SOLUTIONS, LLC       47QRAA21D006E (904)394-0934 JACKSONVILLE ,FL s/dv    
ORBIS SIBRO, INC.       47QRAA22D0061 (843)971-9390 CHARLESTON ,SC s/v    
ORBIS SIBRO, INC. GS-23F-0185N 843-971-9390 CHARLESTON ,SC s/w
ONEIDA TOTAL INTEGRATED ENTERPRISES, LLC 47QRAA20D009B 414-257-4200 MILWAUKEE ,WI s/d
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OMEGA CONSULTANTS, INC.       47QRAA22D001T 865-272-3371 OAK RIDGE ,TN s/dv
OLD DOMINION UNIVERSITY RESEARCH FOUNDATION GS-10F-097CA (757)683-7224 NORFOLK ,VA o  
OHIO TECHNOLOGY CLEARINGHOUSE, INCORPORATED GS-10F-0038W 2564892623 HUNTSVILLE ,AL s
OHIO AEROSPACE INSTITUTE 47QRAA22D0062 440-962-3017 BROOKPARK ,OH o
OFFSET STRATEGIC SERVICES, LLC 47QRAA22D00EC 2567835734 HUNTSVILLE ,AL s/dv
ODYSSEY SYSTEMS CONSULTING GROUP, LTD. GS-10F-0254U 781-809-1604 WAKEFIELD ,MA o
ODYSSEY SPACE RESEARCH L L C GS-23F-0382P 281-488-7953 HOUSTON ,TX s/wo
OCMI INC 47QRAA18D008M 9494762094 IRVINE ,CA s/dv/d
OCH TECHNOLOGIES, LLC 47QRAA19D005Q 7038643479 LEESBURG ,VA s/d/8a
OCEAN ASSOCIATES, INCORPORATED GS-10F-0567P 703-388-9548 ARLINGTON ,VA s/w/wo
OCEAN ASSOCIATES, INCORPORATED GS-35F-372GA 703-819-6939 ARLINGTON ,VA s/w/wo
OASYS, INC. GS-00F-182DA 2568019025 HUNTSVILLE ,AL s
OASIS SYSTEMS, LLC 47QRAA18D006F 781-879-1447 BURLINGTON ,MA s
NTT DATA SERVICES FEDERAL GOVERNMENT LLC       47QRAA19D0069 703-289-8161 HERNDON ,VA o
NTA, INC. GS-10F-0132W 256-327-4103 HUNTSVILLE ,AL s
NOWAK & FRAUS, P.L.L.C. 47QRAA21D002J (412)404-6235 PONTIAC ,MI s    
NOVATEC SOLUTIONS, LLC 47QRAA23D0021 (256)468-7151 HUNTSVILLE ,AL s/w/wo/ew/d    
NOU SYSTEMS, INC. GS-00F-143DA 256-327-5541 HUNTSVILLE ,AL s/w/wo
NORTHWEST WATERSHEDS LLC 47QRAA22D006J 5037812799 PORTLAND ,OR s/w/wo/ew/d
NORTHROP GRUMMAN SYSTEMS CORPORATION GS-00F-128CA 703-713-4588 MCLEAN ,VA o
NORTHINGTON CONSULTING, LLC       47QRAA18D0083 (256) 651-3333 HUNTSVILLE ,AL s/dv
NOETIC STRATEGIES, INC. 47QRAA18D00H6 2563471560 HUNTSVILLE ,AL s/w/wo/ew/d/h
NOBLIS, INC. GS-00F-096DA (703) 610-2290 RESTON ,VA o
NOBLETECH SOLUTIONS INC. GS-35F-437DA 256-529-1753 HUNTSVILLE ,AL s/dv/d
NLT MANAGEMENT SERVICES LLC 47QRAA21D0056 713-504-5270 EWING ,NJ s/d
NLT CORPORATION GS-00F-098DA (703) 912-3130 LORTON ,VA s/d
NLOGIC, LLC GS-00F-239CA 2567042513 HUNTSVILLE ,AL s
NIKA TECHNOLOGIES, INC. 47QRAA21D0064 3016796525 ROCKVILLE ,MD s/d
NIKA TECHNOLOGIES, INC. GS-23F-0010R 3017703520 ROCKVILLE ,MD s/d
NICHOLS CONSULTING ENGINEERS, CHTD. 47QRAA18D008A 7753294955 RENO ,NV s
NEXAGEN NETWORKS INC GS-00F-066GA 732-598-1277 OLD BRIDGE ,NJ s/w/d
NEWPORT PARTNERS, THE, LLC GS-00F-007CA (301) 889-0017 DAVIDSONVILLE ,MD s
NETSEA TECHNOLOGIES LLC 47QRAA22D00E0 774-571-2191 BEL AIR ,MD s
NETORIAN GS-35F-266AA 4439003800 ABERDEEN ,MD s
NETCENTRIC TECHNOLOGY, LLC 47QRAA19D00AU 571-418-9792 WALL ,NJ s/d
NEPTUNE AND COMPANY, INCORPORATED 47QRAA23D0019 720-746-1803 LAKEWOOD ,CO s/w/wo
NELSON ENGINEERING CO. GS-00F-324CA 3214491128 MERRITT ISLAND ,FL s
NCI INFORMATION SYSTEMS, INC. GS-00F-263CA 703-707-6730 RESTON ,VA o
NAVMAR APPLIED SCIENCES CORPORATION       47QRAA22D000F 215-675-4900 WARMINSTER ,PA s/dv
NAVIGATOR INTERNATIONAL, LLC GS-00F-393GA 334-348-1550 HUNTSVILLE ,AL o
NAVIGATOR DEVELOPMENT GROUP, INC. 47QRAA21D001X (334) 347-7612 ENTERPRISE ,AL s/dv
NAVIGATE BUILDING SOLUTIONS LLC 47QRAA19D002F (314)713-6205 SAINT LOUIS ,MO s  
NAVARRO RESEARCH AND ENGINEERING, INC. 47QRAA23D000P (865)220-9650 OAK RIDGE ,TN s/w/wo    
NAVARRO RESEARCH AND ENGINEERING, INC. GS-00F-0092N 865-220-9650 OAK RIDGE ,TN s/w/wo/d
NAVAL SYSTEMS, INC. 47QRAA22D000A 301-737-1911 LEXINGTON PARK ,MD s/dv
NATIONAL FACILITY SOLUTIONS, LLC GS-21F-0102Y 612-319-0170 HASTINGS ,MN s/dv
NANORACKS, LLC 47QRAA18D004R (832)632-7754 WEBSTER ,TX s  
MUSGROVE ENGINEERING, P.A. 47QRAA21D00A0 (208)384-0585 BOISE ,ID s    
MUNRO & ASSOCIATES INC 47QRAA23D000B (517)347-8952 AUBURN HILLS ,MI s    
MTSA II JV LLC 47QRAA23D001Y (703)930-9624 FAIRFAX ,VA s/dv    
MTI SYSTEMS, INC. GS-00F-007BA (518)894-2538 LOTHIAN ,MD s/w/wo/d  
MTA, INC. GS-23F-0039P 256-922-1110 HUNTSVILLE ,AL s/w/wo
MSS SERVICES, INC. GS-10F-0204V 240-832-4143 GERMANTOWN ,MD s/d/8a
MSI DEFENSE SOLUTIONS, LLC GS-30F-015BA 704-660-8348 MOORESVILLE ,NC s
MSB ANALYTICS, INC. GS-00F-305DA 256-261-3076 HUNTSVILLE ,AL s/w/wo/d
MPR ASSOCIATES, INC. 47QRAA19D0078 703-519-0200 ALEXANDRIA ,VA o
MORSECORP, INC 47QRAA18D00A1 617-314-7509 CAMBRIDGE ,MA s
MONTE SANO RESEARCH CORPORATION       47QRAA18D006B 2567053527 HUNTSVILLE ,AL s
MODERN TECHNOLOGY SOLUTIONS, INC.       47QRAA20D0036 703-564-3824 ALEXANDRIA ,VA s
MOCA SYSTEMS, INC. GS-00F-255CA 850-389-8121 BOSTON ,MA s
MOBIUS CONSULTING, LLC GS-00F-088GA 571-445-6320 ALEXANDRIA ,VA s/w/wo/h
MLT SYSTEMS LLC GS-10F-0168W 5403186383 STAFFORD ,VA s/dv
MISSIONFOCUS LLC GS-10F-149AA 703-291-6721 MCLEAN ,VA s
MISSION1ST GROUP, INC GS-35F-0199Y (571) 409-7133 ARLINGTON ,VA s/dv
MIRACORP, INC. GS-10F-233AA 571-589-8970 MESA ,AZ s/w/wo/ew/dv/d
MINO MARINE, L.L.C. GS-00F-249GA 504-218-8162 NEW ORLEANS ,LA s
MINDMESH INC 47QRAA19D004B (713)489-7798 HOUSTON ,TX s/w/wo/8a  
MILVIAN SOLUTIONS, LLC       47QRAA18D008C (915)892-4585 EL PASO ,TX s/dv/d  
MILLER ENGINEERS, INC. 47QRAA21D007C 575-649-2584 ALBUQUERQUE ,NM o
MILLENNIUM ENGINEERING AND INTEGRATION LLC       47QRAA20D0092 7034137765 ARLINGTON ,VA o
MILLENNIUM CORPORATION GS-10F-0141W 703-436-1346 ARLINGTON ,VA s/dv/d
MILCOR GROUP, INC., THE 47QRAA22D003X (772)223-8850 HOBE SOUND ,FL s/w/wo    
MICROCOM DESIGN, INC. GS-10F-0213W 410-771-1070 COCKEYSVILLE ,MD s
MICHAEL K. SWIM, CONSULTING ENGINEER, INC       47QRAA18D00DF 636-530-7770 CHESTERFIELD ,MO s
MICHAEL BAKER INTERNATIONAL, INC. 47QRAA21D008D 703-483-0029 ALEXANDRIA ,VA o
MFS CONSULTING ENGINEERS & SURVEYOR, D.P.C. 47QRAA21D009N 908-922-4622 SOUTH PLAINFIELD ,NJ s/d
METRON, INCORPORATED       GS-00F-166DA 7033262870 RESTON ,VA s
METIS TECHNOLOGY SOLUTIONS, INC. 47QRAA21D009J (505)299-1509 ALBUQUERQUE ,NM s/w/wo    
MELE ASSOCIATES, INC. GS-00F-243CA (240)453-6962 ROCKVILLE ,MD s/v
MEDIADYNE, LLC 47QRAA18D00DY (301)785-3601 GREAT FALLS ,VA s/v  
MEARSCPM, LLC 47QRAA19D0011 (503)680-3792 PORTLAND ,OR s/v  
MEAD AND HUNT, INC. GS-00F-230DA 906-629-1360 MIDDLETON ,WI o
ME AUTOMATION, LLC 47QRAA20D008Y 480-688-4112 SCOTTSDALE ,AZ s/d
MCR FEDERAL, LLC GS-00F-123CA 703.740.2237 MCLEAN ,VA o
MCLAUGHLIN RESEARCH CORPORATION       47QRAA21D0093 (401) 849-4010 NEW LONDON ,CT s
MCL JASCO, INC. 47QRAA22D0078 313-841-5000 DETROIT ,MI s/dv
MCKISSACK GROUP, INC. THE 47QRAA19D003D (212)349-6500 NEW YORK ,NY o  
MCHENRY MANAGEMENT GROUP, INC., THE GS-10F-0239U 7574100233 CHESAPEAKE ,VA s/v
MCDONOUGH BOLYARD PECK, INC. GS-23F-0095P 6293334012 FAIRFAX ,VA o
MCAPS, LLC 47QSHA21D0025 4124506056 PITTSBURGH ,PA s
MAYVIN, INC. GS-10F-0280Y (703) 750-1794 ALEXANDRIA ,VA o
MAXAR MISSION SOLUTIONS INC       GS-35F-481DA 703-439-4772 GAITHERSBURG ,MD o
MAXAR INTELLIGENCE INC.       47QRAA19D002V 703-439-4772 WESTMINSTER ,CO o
MATRIX DESIGN GROUP, INC. 47QRAA19D009K (719)575-0100 COLORADO SPRINGS ,CO o  
MASPEC LLC 47QRAA22D00AQ (202)751-2072 VALRICO ,FL s/dv    
MASON LIVESAY SCIENTIFIC, LLC 47QRAA19D00AJ (865)294-4368 OAK RIDGE ,TN s/w/wo/d  
MARTINFEDERAL CONSULTING, LLC GS-35F-491CA 256-382-4316 HUNTSVILLE ,AL s/dv/d/8a
MARTIN/MARTIN, INC. 47QRAA21D009P 303-431-9361 LAKEWOOD ,CO o
MARSHALL GROUP LTD ARCHITECTS, THE (INC) GS-29F-0015S 7033260630 RESTON ,VA s/w
MARKON, INC. GS-00F-0012Y 703-884-0028 FALLS CHURCH ,VA o
MARK G. ANDERSON CONSULTANTS, INC. GS-00F-212CA 202-942-3904 WASHINGTON ,DC o
MARINE SYSTEMS CORPORATION 47QRAA19D006B 617-542-3345 X1112 BOSTON ,MA s
MARINE DESIGN AND OPERATIONS, INC. GS-23F-0233S 9086869414 COLONIA ,NJ s
MANUFACTURING TECHNICAL SOLUTIONS, LLC 47QRAA21D001L 256-890-9090 HUNTSVILLE ,AL s/w/wo
MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. GS-00F-086CA 703-218-6440 HERNDON ,VA o
MANNIK & SMITH GROUP, INC., THE 47QRAA20D006A 734-790-5177 MAUMEE ,OH s
MANAGEMENT SOLUTIONS, L.L.C. 47QTCA18D000H (865) 963-0400 KNOXVILLE ,TN s/w/wo/ew/d/8a
MANAGEMENT SERVICES GROUP, INC. GS-00F-285DA (757)468-8751 VIRGINIA BEACH ,VA s/w/wo/d  
MAN-MACHINE SYSTEMS ASSESSMENT (MSA), INCORPORATED GS-00F-219GA 202-408-0042 ARLINGTON ,VA s/w/wo/ew/d
MAINSAIL GROUP, LLC 47QRAA22D00DD 508-745-3195 BEDFORD ,MA s/w/wo/dv/d
MAG DS CORP.       GS-10F-060AA 732-493-1700 ABERDEEN ,MD o
MACAULAY-BROWN, INC GS-00F-063CA (937)426-3421 DAYTON ,OH o
M.C. DEAN, INC. 47QSWA19D002W 703-243-6231 X7143 TYSONS ,VA o
LYNKER CORPORATION 47QTCA19D00GN 7034315855 LEESBURG ,VA s/h
LYNKER CORPORATION GS-00F-125CA 7034315855 LEESBURG ,VA o
LYNCH CONSULTANTS, LLC GS-00F-118DA 540-834-3490 ARLINGTON ,VA s/dv
LUSTER NATIONAL, INC. 47QRAA21D0044 415-416-4203 BAKERSFIELD ,CA s/v/d
LTC SOLUTIONS, L.L.C. 47QRAA22D008E 540-318-7052 STAFFORD ,VA s/dv
LSINC CORPORATION 47QRAA18D00BC (937)505-3031 HUNTSVILLE ,AL s/w/wo/ew    
LS TECHNOLOGIES, LLC 47QRAA22D004G 703-673-2213 FAIRFAX ,VA o
LRS FEDERAL LLC GS-10F-0360T (410) 544-3570 SEVERNA PARK ,MD s/dv
LOYAL SOURCE GOVERNMENT SERVICES LLC 47QRAA18D008T 4075913088 ORLANDO ,FL o
LONGENECKER & ASSOCIATES, INC. GS-00F-258CA 301-651-6951 LAS VEGAS ,NV s/w/wo
LOGOS BZ LLC 47QRAA21D008G 3018026262 ANNAPOLIS ,MD s/dv
LOGISTICS MANAGEMENT ENGINEERING INC       GS-00F-069CA 410-757-6319 ANNAPOLIS ,MD s
LOGISTICS & ENVIRONMENTAL SOLUTIONS CORPORATION 47QRAA19D00CX 256-971-7165 HUNTSVILLE ,AL s/w/wo
LOGICORE CORPORATION GS-00F-228CA 2565335789 HUNTSVILLE ,AL s/w
LOGAPPS LLC GS-10F-011CA (703) 560/8828 FALLS CHURCH ,VA s/v/d/8a
LOEWKE BRILL CONSULTING GROUP, INC. 47QRAA20D0019 (585)647-9350 ROCHESTER ,NY s    
LOCKWOOD GROUP LLC, THE GS-00F-349GA 240-285-5480 BELCAMP ,MD s/dv
LOCH HARBOUR GROUP, INC. 47QRAA19D005R 703-642-2380 ALEXANDRIA ,VA o
LMI CONSULTING, LLC       GS-00F-041GA (703) 917-7524 TYSONS ,VA o
LJB INC GS-00F-049CA 937-259-5000 MIAMISBURG ,OH o
LINQUEST CORPORATION 47QRAA21D009B 323-924-1587 LOS ANGELES ,CA o
LINK TECHNOLOGIES INC 47QRAA20D0096 301-983-6878 GERMANTOWN ,MD s/w/wo
LINDAHL REED, INC. 47QRAA18D00GR 541/638-9164 REDMOND ,OR s/w/wo/ew/d/8a
LINC RESEARCH, INC 47QRAA20D008M (256)318-5447 HUNTSVILLE ,AL s/h  
LEONARDO TECHNOLOGIES, INC.       47QRAA21D000U 7409682222X104 ST CLAIRSVILLE ,OH s
LEONARDO TECHNOLOGIES, INC.       GS-23F-0231R 7409682222X104 ST CLAIRSVILLE ,OH s
LELAND SAYLOR ASSOCIATES INC 47QRAA19D00AZ 415-291-4930 WALNUT CREEK ,CA s/dv
LEIDOS, INC. GS-00F-022CA 240-460-5984 RESTON ,VA o
LEIDOS, INC. GS-35F-116AA (571) 526-7085 RESTON ,VA o
LAUNDRY DESIGN GROUP LLC 47QRAA21D007M (855)226-3500 LAS VEGAS ,NV s    
LANMARK TECHNOLOGY INC.       47QRAA19D006S 703-447-3876 CENTREVILLE ,VA s/w/wo/dv/d
LAGO CONSULTING & SERVICES LLC 47QRAA22D009K 813-774-5559 TAMPA ,FL s/w/wo/ew/d/8a
L2 SOLUTIONS LLC       47QRAA22D0040 713-582-9295 HOUSTON ,TX s/d
KULJIAN CORPORATION, THE 47QRAA21D002G 2156946464 BRISTOL ,PA s
KRAMER CONSULTING SERVICES, PC 47QRAA19D001M 2023399000 WASHINGTON ,DC s
KPMG LLP
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KORD TECHNOLOGIES, LLC GS-10F-0087Y (256)489-2346 HUNTSVILLE ,AL o  
KODA TECHNOLOGIES INC. 47QRAA19D0081 256-509-2710 HUNTSVILLE ,AL s/w/wo/d
KNOWLEDGE BRIDGE INTERNATIONAL, INC. 47QRAA22D00EE 571-237-3418 CHANTILLY ,VA s/dv/d
KNOWESIS, INC. GS-10F-0165W 571-421-1101 FAIRFAX ,VA o
KNIGHTO, LLC 47QRAA20D000N 703-244-4379 LEESBURG ,VA s/dv/d/h
KMEA 47QRAA20D006G 619-451-6199 SAN DIEGO ,CA o
KLAVON DESIGN ASSOCIATES INC 47QRAA22D00F1 (813)476-5777 PITTSBURGH ,PA s/w/wo/d/h    
KINETIC METRICS, LLC 47QRAA20D000K 7036476221 ALEXANDRIA ,VA s/d/8a
KIMLEY-HORN AND ASSOCIATES, INC. GS-10F-0501X 919 677-2000 RALEIGH ,NC o
KIHOMAC, INC.       GS-10F-0173T 385-515-4280 RESTON ,VA o
KEYW CORPORATION, THE GS-00F-001DA (703)984-4305 HANOVER ,MD o  
KEVILLE ENTERPRISES, INC GS-23F-0235S 904-813-6558 MARSHFIELD ,MA s/w
KENTCO CORPORATION 47QRAA20D000S 571-665-4199 HERNDON ,VA s/dv
KENJYA-TRUSANT GROUP, LLC, THE GS-00F-137DA 410-740-4045 COLUMBIA ,MD o
KENIFIC GROUP INC, THE 47QRAA19D00C7 571-636-4002 FAIRFAX ,VA s
KEMSYSTEK, LLC 47QRAA20D0047 (410)740-8706 ALEXANDRIA ,VA s/w/wo/dv/d  
KELLER-BLIESNER ENGINEERING, LLC       47QRAA18D004Q 435-753-5651 LOGAN ,UT s
KEISH ENVIRONMENTAL PC 47QRAA23D000X 408-592-0223 SAN JOSE ,CA s/w/wo/d/8a
KCL ENGINEERING LLC 47QRAA22D00F3 515-509-1870 WEST DES MOINES ,IA s/d
KCG ENGINEERING GROUP, INC. 47QTCA21D006G (757) 721-5040 VIRGINIA BEACH ,VA s/dv
KBR WYLE SERVICES, LLC       GS-00F-200CA 2569716126 LEXINGTON PARK ,MD o
KBM ENTERPRISES, INC.       GS-23F-0001R 9314689233 HUNTSVILLE ,AL s/w/wo
KATILYST CO LLC       47QRAA23D0009 (804)219-8666 HENRICO ,VA s/w/wo    
KARBON ENGINEERING SERVICES, LLC 47QRAA19D00AW (844)470-8802 EDISON ,NJ s    
KALMAN & COMPANY, INC. GS-00F-343CA 757-461-4292 VIRGINIA BEACH ,VA s/w/wo
KAL ARCHITECTS, INC. GS-00F-137GA 949-450-8420 IRVINE ,CA s/w/wo/ew/d
KAIROS, INC. 47QRAA22D002E 3019976095 X103 CALIFORNIA ,MD s/w/wo
K2 GROUP, INC. 47QTCA19D00FZ 571- 421-2070 VIENNA ,VA s/dv
JS SOLUTIONS LLC 47QRAA22D008Y 256-617-1471 HUNTSVILLE ,AL s/v
JOVIAN SOFTWARE CONSULTING LLC       47QRAA20D004T (616)920-0458 GRAND RAPIDS ,MI s/w/wo/d  
JONES, JAMES V. GS-10F-0450Y 9492939724 LAGUNA WOODS ,CA s/v
JONES DESIGN STUDIO, PLLC 47QRAA23D000U 888-537-6656 TULSA ,OK s/w/wo/d/h
JONES & CARTER, INC. 47QRAA20D003D (713)777-5337 BELLAIRE ,TX o  
JOINT VENTURE SOLUTIONS (JVS) LLC GS-00F-099GA 4432800698 MILLERSVILLE ,MD s/dv
JOINT RESEARCH AND DEVELOPMENT, INC. GS-10F-0093T 5402883132X201 STAFFORD ,VA s/dv
JOHNSON, MIRMIRAN & THOMPSON, INC. GS-00F-194CA 410-329-3100 COCKEYSVILLE ,MD o
JOHN H NORTHROP & ASSOCIATES INC GS-10F-0168T (443)-624-2218 CLIFTON ,VA s/dv
JMS NAVAL ARCHITECTS, LLC       GS-10F-0181V (860)662-0057 MYSTIC ,CT s/v  
JMA SOLUTIONS LLC 47QRAA18D00GC 202-465-8208 WASHINGTON ,DC o
JJR SOLUTIONS, LLC GS-00F-146GA 9377892552 DAYTON ,OH s/dv
JGMS GOVERNMENT SERVICES, LLC 47QRAA22D008H 9702541354 GRAND JUNCTION ,CO s/d
JGMS GOVERNMENT SERVICES, LLC GS-00F-0014Y 970-254-1354 GRAND JUNCTION ,CO s/d/8a
JENSEN HUGHES, INC. GS-00F-006CA 425-217-1123 BALTIMORE ,MD o
JDI GROUP, INC., THE       47QRAA20D002C (937)360-1267 MAUMEE ,OH s/d  
JBZIM PROPERTIES, LLC 47QRAA21D004V 708-224-8707 FRANKFORT ,IL s/d
JBS SOLUTIONS INC GS-00F-240GA 334-467-6860 HUNTSVILLE ,AL s/w/wo/ew/d/h
JAY SHAPIRO & ASSOCIATES INC.       GS-10F-0091V (908) 470-0444 FAR HILLS ,NJ s
JAXON ENGINEERING AND MAINTENANCE, INC.       GS-10F-0447Y 7193552048 COLORADO SPRINGS ,CO s/w
JARDON & HOWARD TECHNOLOGIES, INCORPORATED 47QRAA21D008B 407-381-7797 ORLANDO ,FL s/dv
JANUS RESEARCH GROUP, LLC GS-00F-310CA 7063649100 EVANS ,GA o
JACOBS TECHNOLOGY INC. GS-00F-038CA 931-455-6400 TULLAHOMA ,TN o
JACOBS ENGINEERING GROUP INC. 47QRAA21D00AF 571-218-1304 ARLINGTON ,VA o
JACKSON AND TULL, CHARTERED ENGINEERS       47QRAA18D00DJ 2405537005 WASHINGTON ,DC s/d
J FOSTER & ASSOCIATES LLC 47QRAA22D0069 (208)709-0508 IDAHO FALLS ,ID s/w/wo/ew/d/8a    
ITSC SECURE SOLUTIONS, LLC GS-10F-0010U MAINVIELLE FAIRFAX ,VA s/w/wo
ITERIS, INC. 47QRAA22D00BT 949-270-9400 SANTA ANA ,CA o
ITEGRITY, INC.       47QSWA20D0049 (202)271-2292 SILVER SPRING ,MD s/d/8a  
ITEGRITY, INC. GS-35F-049DA 2022712292 SILVER SPRING ,MD s/d/8a
ITC DEFENSE CORP 47QTCA20D004K 703-842-4852 ARLINGTON ,VA s/h
ISSAC CORP GS-10F-0233Y 719-725-6904 COLORADO SPRINGS ,CO s/dv
ISHPI INFORMATION TECHNOLOGIES, INC. 47QRAA18D003S 757-809-2360 SUFFOLK ,VA o
IRONMOUNTAIN SOLUTIONS, INC. GS-10F-0390Y 256-428-1922 HUNTSVILLE ,AL o
IRONCLAD TECHNOLOGY SERVICES LLC 47QRAA20D000L 757-493-3572 VIRGINIA BEACH ,VA o
IRONARCH TECHNOLOGY LLC GS-35F-032DA 7039428868 MCLEAN ,VA s/dv
IPARAMETRICS, LLC GS-10F-112CA 770-664-6636 ALPHARETTA ,GA s
IOMAXIS GS-35F-274AA 703-455-2555 LORTON ,VA o
INVICTUS INTERNATIONAL CONSULTING, LLC       47QRAA19D00C0 (703)647-2727 ALEXANDRIA ,VA o  
INVARIANT CORPORATION GS-23F-0315P 256-885-9794 HUNTSVILLE ,AL s
INTUITIVE RESEARCH AND TECHNOLOGY CORPORATION       47QRAA20D0022 2569229300 HUNTSVILLE ,AL s
INTUITIVE RESEARCH AND TECHNOLOGY CORPORATION GS-23F-0343N 2569229300 HUNTSVILLE ,AL o
INTREPID, L.L.C. GS-10F-014AA 256-705-6830 HUNTSVILLE ,AL s
INTERTEK TESTING SERVICES NA, INC.       GS-10F-0084U 770-280-7431 CORTLAND ,NY o
INTERNATIONAL TRADE BRIDGE, INC. GS-10F-078BA 9374311900 BEAVERCREEK ,OH s
INTERNATIONAL INFORMATION AND INFRASTRUCTURE PROTECTION GROUP, LLC 47QRAA20D004B 717-891-6720 GETTYSBURG ,PA s/h
INTERIOR SYSTEMS, INC. GS-00F-023CA 202-263-0892 FAIRFAX ,VA s/dv
INTERFUZE CORPORATION GS-35F-0013T 2563829715 HUNTSVILLE ,AL s
INTERACTIVE PROCESS TECHNOLOGY, LLC GS-00F-0002X 7812225589 BURLINGTON ,MA o
INTER-COASTAL ELECTRONICS, LLC GS-00F-0019Y 480-981-6898 MESA ,AZ o
INTEK INC.       GS-00F-089GA 703-465-2231 ARLINGTON ,VA s
INTEGRATION INNOVATION, INC. GS-00F-210CA (256)513-5179 HUNTSVILLE ,AL s  
INTEGRATED SOLUTIONS FOR SYSTEMS, INC. GS-00F-378GA 2564899723 HUNTSVILLE ,AL o
INSTITUTE FOR BUILDING TECHNOLOGY AND SAFETY 47QRAA22D0066 703-481-2000 ASHBURN ,VA o
INSPIRE CORPORATION 47QRAA20D008K 3039100430 AURORA ,CO s/dv
INSIGHT TECHNOLOGY SOLUTIONS, LLC 47QRAA18D0064 301-860-1121 BOWIE ,MD s/w/wo
INSIGHT INTERNATIONAL TECHNOLOGY, LLC       47QRAA19D00BE (256) 551-0414 HUNTSVILLE ,AL s/dv/d
INNOVATIVE TECHNOLOGY PARTNERSHIPS LLC 47QRAA18D008Z 505-796-0996 ALBUQUERQUE ,NM s
INNOVATIVE NETWORK SERVICES, LLC 47QRAA22D0068 (813)476-5777 CLINTON ,AR s/d    
INNOVATIVE CONSULTING & MANAGEMENT SERVICES, LLC 47QRAA19D000D 3014444100 ROCKVILLE ,MD s/d/8a/h
INFRASTRUCTURE MANAGEMENT AND ENGINEERING, INC.       47QRAA22D0084 513-826-4338 CINCINNATI ,OH s/d/8a
INFORMATION SYSTEMS LABORATORIES, INC. 47QRAA21D001U 858-373-2717 VIENNA ,VA s
INFORMATION AND INFRASTRUCTURE TECHNOLOGIES, INC. GS-00F-031CA 703-478-7658 HERNDON ,VA s/v
INFLOWLOGISTICS, LLC 47QRAA20D003L (972)523-0401 SAN ANTONIO ,TX s/w/wo/h  
INDUS TECHNOLOGY INC. 47QRAA18D00DR (619)299-2555 SAN DIEGO ,CA s/dv  
INDEPENDENT STRATEGIC MANAGEMENT SOLUTIONS, INC. 47QRAA21D0087 509-539-3229 RICHLAND ,WA s/w/wo/ew/d/8a
IMMERSIVE CONCEPTS, LLC GS-35F-032CA 855-513-8500 BELTSVILLE ,MD s/d/8a/h
IGNITE FUELING INNOVATION, INC. GS-10F-0107V 2562709020 HUNTSVILLE ,AL s/dv/d
IESE SOLUTIONS 47QRAA19D00B4 3105947016 EL SEGUNDO ,CA s/w/wo/d
IDEAL INNOVATIONS INCORPORATED       GS-00F-345CA 571-480-5009 ARLINGTON ,VA s/dv
IDEAL ENGINEERING SOLUTIONS P.S.C.       47QRAA20D005G (787)378-2948 CIDRA ,PR s/d/h  
ICF INCORPORATED, L.L.C. GS-00F-010CA 703-934-3632 FAIRFAX ,VA o
HYPERSOFT INC GS-23F-0165P 6369478862 SAINT CHARLES ,MO s/w/wo
HYPERION TECHNOLOGY GROUP, INC. 47QRAA22D007P 6628230626 TUPELO ,MS s
HX5,, LLC       GS-00F-225GA 8503626551 FORT WALTON BEACH ,FL s/w/wo/dv
HW CONSULTING, INCORPORATED GS-10F-0156U (202)734-0753 WASHINGTON ,DC o
HUMANPROOF, LLC       47QRAA18D009H (202)480-2884 VIENNA ,VA s  
HUEBER-BREUER CONSTRUCTION CO., INC.       47QRAA18D00H8 (315)476-7917 SYRACUSE ,NY o  
HUBZONE HEADQUARTERS, INC.       47QRAA21D009Q 757-597-5907 VIRGINIA BEACH ,VA s/v/d/h
HP ENGINEERING, INCORPORATED 47QRAA22D004Y 4792653688 ROGERS ,AR s/d
HOLMES-TUCKER INTERNATIONAL, INC.       GS-10F-0258T 301-866-1701 LEXINGTON PARK ,MD s/v
HODGES TRANSPORTATION, INC. 47QRAA22D006W 775-629-2000 SILVER SPRINGS ,NV s/h
HILL TECHNICAL SOLUTIONS, INC.       47QRAA18D0056 2569701258 HUNTSVILLE ,AL o
HILL INTERNATIONAL, INC. GS-23F-0035P 202-408-3030 WASHINGTON ,DC o
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HIGHERECHELON, INC. GS-00F-164GA 256-724-8842 HUNTSVILLE ,AL s/dv
HIGH SIDE TECHNOLOGY LLC 47QTCA20D003B 8435094979 SUMMERVILLE ,SC s
HICAPS, INC. GS-00F-014CA (336)665-1234 GREENSBORO ,NC s/dv  
HEXAGON US FEDERAL, INC. 47QRAA18D00A2 478-322-3258 HUNTSVILLE ,AL o
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HEBCO, INC. 47QRAA18D00F2 405-672-1461 OKLAHOMA CITY ,OK s/d
HEALTH FACILITY SOLUTIONS COMPANY 47QRAA20D0081 210-881-9714 SAN ANTONIO ,TX s/w/wo/dv
HDR ENGINEERING, INC. GS-00F-152CA 303-754-4252 OMAHA ,NE o
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HASSAN WATER RESOURCES, PLC       47QRAA20D007A (804)543-8073 MAIDENS ,VA s  
HANCOCK MANAGEMENT L.L.C. GS-00F-003CA 603-894-5429 DERRY ,NH s/dv
HANA ENGINEERS AND CONSULTANTS, LLC 47QRAA22D003N 757-701-9382 NORTH CHESTERFIELD ,VA s/d/8a
HAMMERMAN & GAINER, LLC 47QRAA22D008F 504-930-4857 KENNER ,LA o
HAMILTON SUNDSTRAND SPACE SYSTEMS INTERNATIONAL, INC. GS-10F-0439X (860)654-4244 HOUSTON ,TX o  
H2 IT SOLUTIONS, INC. 47QTCA19D004K 407-745-4499 ORLANDO ,FL s/w/wo/ew/d
GUIDEHOUSE INC. GS-00F-045DA 7036566381 MCLEAN ,VA o
GSI ENVIRONMENTAL INC. 47QRAA18D009N (512)346-4474 HOUSTON ,TX o  
GSD LLC 47QRAA21D0022 7572070809 WILLIAMSBURG ,VA s/v
GROVE RESOURCE SOLUTIONS, INC.       GS-10F-0502X 240-772-2433 BETHESDA ,MD o
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GREENTREE GROUP, INC. THE GS-00F-180CA (937)490-5512 BEAVERCREEK ,OH s  
GREENTREE GROUP, INC. THE GS-35F-396DA 937-490-5512 BEAVERCREEK ,OH s
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GREENDART, INCORPORATED GS-10F-214AA 3102420032 SAN PEDRO ,CA s
GREEN EXPERT TECHNOLOGY INC 47QRAA20D008X 7575155983 HADDONFIELD ,NJ s
GREEN AND SUSTAINABLE SERVICES, LLC GS-07F-231CA 940-597-3723 PONDER ,TX s/w/wo/ew
GRANT THORNTON PUBLIC SECTOR LLC 47QRAA19D0085 703-637-2835 ARLINGTON ,VA o
GRANT ENGINEERING & CONSTRUCTION GROUP, LLC 47QRAA23D0001 (973)358-5020 NEWARK ,NJ s    
GRACE & NAEEM UDDIN, INC. 47QRAA20D001X 954-693-0620 SUNRISE ,FL s/w/wo
GP STRATEGIES CORPORATION 47QRAA21D005R 6672607404 COLUMBIA ,MD o
GOLDEN WOLF, LLC 47QRAA19D0067 844-860-9653 BRANDON ,FL s/w/wo/ew/dv/d/8a
GOLDBELT C6, LLC 47QRAA19D00CS (757)550-2121 CHESAPEAKE ,VA s/d/8a
GLOBAL TECHNOLOGY AND MANAGEMENT RESOURCES, INC. GS-00F-080GA 301-475-8181 HOLLYWOOD ,MD s/v
GLOBAL SYSTEMS TECHNOLOGIES, INC. GS-10F-0461Y (215)579-8200 MORRISVILLE ,PA s  
GLOBAL SYSTEMS ENGINEERING, LLC 47QRAA20D0060 703-915-2338 ALEXANDRIA ,VA s/h
GLOBAL ENGINEERING SOLUTIONS, INC. GS-10F-0160Y 3012162871 BETHESDA ,MD o
GLOBAL ENGINEERING & TECHNOLOGY, INC. 47QRAA18D000R 202-899-2988 CORAL GABLES ,FL s/d
GLOBAL C2 INTEGRATION TECHNOLOGIES LLC 47QRAA18D0067 (202) 234-8933 LAS VEGAS ,NV s/dv
GLEASON RESEARCH ASSOCIATES INCORPORATED 47QTCA19D007A 2568837000 HUNTSVILLE ,AL s
GILBANE BUILDING COMPANY GS-23F-0024R 5712532994 PROVIDENCE ,RI o
GEOTECH CONSULTANTS INTERNATIONAL, INC. 47QRAA21D00A4 407-398-5800 LONGWOOD ,FL s/d
GEOSYNTEC CONSULTANTS,INC. 47QRAA22D003A 561-922-1079 BOCA RATON ,FL o
GEORGE CONSULTING, LTD.       GS-35F-130GA 843-471-1322 NORTH CHARLESTON ,SC s
GEOGRAPHIC INFORMATION SERVICES, INC. 47QRAA19D00BD 2057255836 BIRMINGHAM ,AL o
GEOENGINEERS, INC. 47QRAA18D00E3 (425)861-6000 REDMOND ,WA o  
GENEX SYSTEMS LLC GS-00F-076GA 757-838-5065 NEWPORT NEWS ,VA s/w/wo/d
GENESIS ENGINEERING SOLUTIONS, INC. 47QRAA21D0011 240-582-3193 LANHAM ,MD s/d
GENERAL TECHNICAL SERVICES L.L.C.       47QRAA19D006Y 732-979-8870 WALL TOWNSHIP ,NJ s/w/wo
GENERAL INFOMATICS-A SERVICE DISABLED OWNED VETERAN BUSINESS, INC. 47QRAA18D002D (703)650-5119 MCLEAN ,VA s/dv/d  
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-057CA 7039953733 FALLS CHURCH ,VA o
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GENERAL ATOMICS SYSTEMS INTEGRATION, LLC 47QRAA20D003N 801-546-8100 KAYSVILLE ,UT o
GENCO SYSTEMS, INC. 47QRAA20D001P 703-234-5261 HERNDON ,VA s/d
GENCO SYSTEMS, INC. GS-23F-0019P 703-234-5261 HERNDON ,VA s/d/8a
GEMINI INDUSTRIES INC. GS-00F-279CA 781-203-0100 BURLINGTON ,MA s/w/wo
GEM TECHNOLOGY INTERNATIONAL, CORP. 47QRAA22D008D 305-447-1344 MIAMI ,FL s/w/wo/ew/d
GEM TECHNOLOGY INTERNATIONAL, CORP. GS-00F-0001R 305.447.1344 MIAMI ,FL s/w/wo/ew/d
GEM TECHNOLOGIES, INC. 47QRAA20D007W 865-660-7339 KNOXVILLE ,TN s/d
GEBC, LLC 47QRAA20D0057 703-895-6114 HUNTSVILLE ,AL s/dv
GDS ASSOCIATES, INC.       47QRAA22D0008 770-799-2399 MARIETTA ,GA o
GDCA, INC. 47QRAA22D00BV 925-456-9900 LIVERMORE ,CA s
GC ASSOCIATES USA, LLC       47QTCA21D004S 632-866-9871 ARLINGTON ,VA s/dv/d/8a
GBL SYSTEMS CORPORATION 47QRAA19D007F 805-987-4345 CAMARILLO ,CA s
GAUSS MANAGEMENT RESEARCH AND ENGINEERING, INC. GS-10F-0028W 801-475-0243 SOUTH OGDEN ,UT s/v
GASTINGER AND WALKER ARCHITECTS INC GS-10F-0183V 816-421-8200 KANSAS CITY ,MO s
GARUD TECHNOLOGY SERVICES, INC. GS-10F-179AA 2022561079 ELLICOTT CITY ,MD s/w/wo/ew/d/8a
GARDINER & THEOBALD, INC. 47QRAA21D007W 212-661-6624 NEW YORK ,NY o
GANNETT FLEMING, INC. GS-00F-114CA 703-277-9505 CAMP HILL ,PA o
GAN CORPORATION GS-10F-0085U 256-509-9150 HUNTSVILLE ,AL s
GALORATH INCORPORATED       GS-23F-0253S 310-414-3222 LONG BEACH ,CA s
G2 OPS, INC. 47QRAA18D0002 757-373-7368 VIRGINIA BEACH ,VA s/w/wo/ew/d
FTS INTERNATIONAL, LLC 47QRAA19D0064 703-225-7660 DULLES ,VA s
FS3 INC GS-10F-125BA 714.864.8186 SAN CLEMENTE ,CA s/d
FREW DEVELOPMENT GROUP, LLC 47QRAA20D004W (206)312-1190 BAINBRIDGE IS ,WA s  
FREEDOM TECHNOLOGIES INC GS-00F-013CA (703) 516-3031 ARLINGTON ,VA s/w/wo
FREEDOM INFORMATION SYSTEMS, INC.       47QRAA20D0098 813-281-8008 TAMPA ,FL s/w/wo/dv
FRATELLO, INC. GS-10F-0202X (540)596-0695 STEPHENS CITY ,VA s/w/wo  
FP&C CONSULTANTS KC, LLC 47QRAA20D006Z 8169313377 NORTH KANSAS CITY ,MO s
FORGE GROUP, LLC 47QTCA21D00D5 703-296-7038 HERNDON ,VA s/w/wo/ew/dv/d/8a
FORELLA GROUP, LLC GS-00F-070DA 7035602200 CHANTILLY ,VA s/d/8a
FORD MANAGEMENT SERVICES LTD GS-10F-0019X 3018774040 UPPER MARLBORO ,MD s/w/wo/ew/d
FMF PANDION 47QRAA22D002R 760-212-9120 ENCINITAS ,CA s/dv/d/8a
FLUX RESOURCES, LLC 47QRAA22D0002 503-558-3465 TIGARD ,OR o
FLUOR FEDERAL SERVICES, INC. 47QSHA22D0008 703-351-6450 GREENVILLE ,SC o
FLOWWEST, LLC 47QRAA22D0057 (727)992-3536 OAKLAND ,CA s    
FLIGHT TEST & MECHANICAL SOLUTIONS, INC. 47QRAA22D001P 2567247340 HUNTSVILLE ,AL s
FIVE STONES RESEARCH CORPORATION GS-10F-0446X 2569750848 HUNTSVILLE ,AL s/w/wo/ew/d/8a
FIRST LINE DEFENSE, LLC       47QRAA20D003B 7036776491 QUANTICO ,VA s/v/h
FIRE & RISK ALLIANCE, LLC 47QRAA18D00CT (937)505-3031 LINCOLNWOOD ,IL s/d  
FIELD MANAGEMENT SERVICES, INC. 47QRAA20D000W 212-628-6860 LOS ANGELES ,CA s
FALCONA MANAGEMENT & TECHNOLOGY, L L C GS-00F-272CA 210-704-1486 SAN ANTONIO ,TX s/w/wo/ew/d/8a
FACILITY ENGINEERING ASSOCIATES, P.C. GS-21F-0107V 703-591-4855 FAIRFAX ,VA s
FAAC INCORPORATED GS-00F-332CA 734-761-5836 ANN ARBOR ,MI o
F3 SOLUTIONS, LLC GS-10F-195BA 478-971-1343 WARNER ROBINS ,GA s/w/wo/ew/d
EYP, INC. 47QRAA21D0032 3055624496 ALBANY ,NY o
EXPONENT, INC. 47QSMA18D0007 6506887013 MENLO PARK ,CA o
EXOSTRATEGIES, INC. GS-10F-0007V 719-649-4414 COLORADO SPRINGS ,CO s
EXCET, INC. GS-00F-004BA (703)493-9676 SPRINGFIELD ,VA s  
EXCEL SERVICES CORPORATION       47QRAA22D000K (301)984-4400 ROCKVILLE ,MD o    
EWING INDUSTRIAL SERVICES, LLC 47QRAA21D000S 3618826525 CORPUS CHRISTI ,TX s/d
ESIMPLICITY, INC. 47QTCA19D00KH 443-963-9363 SILVER SPRING ,MD s/w/wo/ew/d/8a/h
ESCIENCE AND TECHNOLOGY SOLUTIONS, INCORPORATED GS-00F-124GA 301-429-0005 LANDOVER ,MD s/d
EQUITY ENGINEERING GROUP, INC., THE 47QRAA21D004W 2162839519 SHAKER HEIGHTS ,OH o
EPSILON SYSTEMS SOLUTIONS, INC. 47QRAA21D005F 619-702-1700 SAN DIEGO ,CA o
EPS CORPORATION GS-00F-015CA 732-747-8277 TINTON FALLS ,NJ o
ENVISION INNOVATIVE SOLUTIONS, INC. GS-35F-0222Y 732-722-7435 MANASQUAN ,NJ s/d
ENVISE 47QSHA20D001D 571-612-4042 STERLING ,VA o
ENVIRONMENTAL SCIENCE ASSOCIATES 47QRAA21D00AJ 415.896.5900 SAN FRANCISCO ,CA s/d
ENVIRONMENTAL CONSULTING & TECHNOLOGY, INC.       47QRAA21D005G 352-665-9922 GAINESVILLE ,FL o
ENVIRON-CIVIL ENGINEERING, LTD GS-00F-317CA (410)461-6451 COLUMBIA ,MD s/d  
ENTERPRISE RESOURCE PLANNING INTERNATIONAL, LLC 47QRAA19D009W 3014900080 LAUREL ,MD o
ENTECH ENGINEERING, INC. 47QRAA21D005E 610-373-6667 READING ,PA o
ENSCO, INC.       47QRAA20D006C 7033214478 SPRINGFIELD ,VA o
ENGINEERING RESEARCH AND CONSULTING, INC.       47QRAA21D004J 256-327-9162 HUNTSVILLE ,AL o
ENGINEERING AND SOFTWARE SYSTEM SOLUTIONS, INC.       GS-10F-0237Y 619-223-3066 SAN DIEGO ,CA s/w/wo
ENGINEERING AND INFORMATION TECHNOLOGY INC. GS-00F-0062N 609-204-1386 CORAL SPRINGS ,FL s/w/wo
ENGINEERED SYSTEMS & SERVICES, L.L.C.       47QRAA23D0012 (770)810-5700 SUWANEE ,GA s/d    
ENGENIUSMICRO, LLC 47QRAA19D004K 2562611260X124 HUNTSVILLE ,AL s/h
ENERGY TECHNOLOGY ALLIANCE LLC 47QRAA22D00EG (202)751-2072 REDMOND ,OR s/w/wo/ew/d    
ENERGY RESEARCH, INC.       47QRAA22D009T 3018810866 ROCKVILLE ,MD s
EMERGENT SPACE TECHNOLOGIES, INC. GS-00F-196DA 301-345-1535 LAUREL ,MD s
ELZLY TECHNOLOGY CORPORATION GS-23F-0167S 703-505-1905 RESTON ,VA o
ELYON INTERNATIONAL, INC. GS-00F-203GA (360) 696-5892 VANCOUVER ,WA s/w/wo/v/d
ELOCEN GROUP, LLC, THE 47QRAA18D0076 202-644-8500 WASHINGTON ,DC s/w/wo/d/8a
EL DORADO ENGINEERING, INC.       47QRAA18D00E6 801-966-8288 WEST JORDAN ,UT s
EDGESOURCE CORPORATION 47QRAA18D004S 703-837-0550 ALEXANDRIA ,VA s
ECS MID-ATLANTIC, LLC 47QRAA19D006M 703-471-4800 CHANTILLY ,VA o
ECS FEDERAL, LLC GS-00F-072CA 571-232-1412 FAIRFAX ,VA o
ECLIPSE TECHNICAL SYSTEMS, LLC 47QTCA19D00GD 301.529.3734 BALTIMORE ,MD s/d
EASTERN RESEARCH GROUP, INC. GS-00F-079CA 7742491622 LEXINGTON ,MA o
E B A ERNEST BLAND ASSOCIATES P C 47QRAA18D002L 301-289-4811 SILVER SPRING ,MD s/d
DYNETICS, INC. GS-00F-045CA 2567135320 HUNTSVILLE ,AL o
DYNAMIS, INC. GS-00F-115DA 703-465-4400 FALLS CHURCH ,VA o
DYNAMIC-PRO INC. GS-10F-0329X 703-665-5085 FALLS CHURCH ,VA s/w/wo/ew/d/8a
DYNAMIC CONCEPTS LLC       GS-10F-0006U 256-652-7025 HUNTSVILLE ,AL o
DSOFT TECHNOLOGY COMPANY GS-35F-0538W 719-598-7107 COLORADO SPRINGS ,CO s/dv
DSD LABORATORIES,INC. 47QRAA20D0084 703-385-5298 SUDBURY ,MA o
DS2 LLC 47QRAA19D005F 850-307-2781 NICEVILLE ,FL s/dv
DRIVE ENGINEERING CORP. 47QRAA21D0094 215-367-5535 BLUE BELL ,PA s/d
DRAGOON TECHNOLOGIES, INC. GS-07F-5553R 937-439-9223 DAYTON ,OH s
DPRA INCORPORATED 47QRAA19D003T 785-564-6041 KNOXVILLE ,TN s
DMR CONSULTING, INC. 47QRAA18D00H2 850-230-3767 PANAMA CITY BEACH ,FL s/w/wo/d
DMAERO, LLC       47QRAA22D0049 4782841015 BYRON ,GA s/dv/d/h
DLS ENGINEERING ASSOCIATES, INC. GS-00F-229CA 757-494-5151 VIRGINIA BEACH ,VA s/w/wo
DIVERSIFIED FACILITY SOLUTIONS, LLC 47QRAA21D0002 513-561-0051 CINCINNATI ,OH s/d/h
DIGITAL MOBILIZATIONS, INC.       47QRAA19D00BP (540)219-9222 WARRENTON ,VA s/d    
DIGIFLIGHT INCORPORATED GS-00F-195GA 256-603-5322 COLUMBIA ,MD s/v/d
DFW CONSULTING GROUP, INC. 47QRAA22D00AF (972)827-2613 IRVING ,TX s/d    
DESIGN ALASKA INC GS-00F-361GA 907-452-1241 FAIRBANKS ,AK s
DESE RESEARCH, INC. 47QRAA19D00CQ 2568378004 HUNTSVILLE ,AL s
DELTASTRAC LLC 47QRAA18D00FE 301-337-0523 NEW WINDSOR ,MD s/dv/d/8a
DELTA SOLUTIONS & STRATEGIES, LLC GS-00F-215CA 719-475-0506 COLORADO SPRINGS ,CO s/dv
DELTA RESOURCES, INC. GS-10F-0255S 703-581-4164 CHANTILLY ,VA o
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DELTA CONSULTING GROUP, INC. GS-00F-209CA 7035808801 WOODBRIDGE ,VA s/v
DELOITTE CONSULTING LLP 47QRAA18D001P 703-251-1143 ARLINGTON ,VA o
DELOITTE & TOUCHE LLP GS-00F-029DA 703-251-1143 ARLINGTON ,VA o
DELAN ASSOCIATES, INC. 47QRAA18D004U 516-442-0040 FREEPORT ,NY s/d
DEFTEC CORPORATION       47QRAA18D00FY 301-325-5115 HUNTSVILLE ,AL s/w/wo/ew/d
DEFINITIVE LOGIC CORPORATION GS-00F-043CA 703-343-3409 ARLINGTON ,VA s
DEFENSE ENTERPRISE SOLUTIONS, LLC GS-00F-243GA 2566650966 HUNTSVILLE ,AL s/dv
DEFENSE ARCHITECTURE SYSTEMS, INC. GS-00F-291GA 443-831-3055 FULTON ,MD s
DEFENSE ACQUISITION SUPPORT SERVICES L.L.C. 47QRAA19D008L 9105748939 ABERDEEN ,MD s/w/wo
DECON ENGINEERING, INC. GS-21F-0004U 7038614930 STERLING ,VA s
DECK FOUR INNOVATION INC. 47QRAA22D00B2 321-544-0793 MERRITT ISLAND ,FL s/w/wo/d
DECIBEL RESEARCH, INC GS-10F-0029Y 2566033207 HUNTSVILLE ,AL s
DCS-MILLENNIUM LLC 47QRAA18D0038 (571)227-6211 ALEXANDRIA ,VA s/dv/d  
DCS CORPORATION       47QRAA20D006W 5712276061 ALEXANDRIA ,VA o
DAYTON T. BROWN, INC.       47QRAA19D00A4 631-244-6209 BOHEMIA ,NY s
DAWSON SOLUTIONS, LLC 47QRAA18D009F 2105276907 HUNTSVILLE ,AL s/d/8a
DAVIS STRATEGIC INNOVATIONS, INC. GS-10F-225BA 256-489-0550 HUNTSVILLE ,AL s/dv
DAVIS DEFENSE GROUP, INC. GS-10F-0190R 540-548-5950 STAFFORD ,VA o
DAVIDSON TECHNOLOGIES, INC. 47QRAA21D008A (256)327-3169 HUNTSVILLE ,AL o    
DAVIDSON BROWN, INC. GS-10F-0279X 7573698403 WILLIAMSBURG ,VA s/d/8a
DAVID CLARK COMPANY INCORPORATED       GS-10F-0467Y 508-751-5841 WORCESTER ,MA s
DAV ENERGY SOLUTIONS, INC. GS-00F-314GA 619-663-7007 SAN DIEGO ,CA s/dv
DATA MONITOR SYSTEMS, INC.       47QRAA21D009Z (405) 737-7950 MIDWEST CITY ,OK s/dv
DATA MONITOR SYSTEMS, INC. GS-10F-0281P (405)737-7950 MIDWEST CITY ,OK s/dv/d/8a  
DARKBLADE SYSTEMS, LLC GS-00F-012GA 703-409-9439 WINCHESTER ,VA s/dv
DAMA CONSULTANTS, INC 47QRAA19D0037 773-870-1595 CHICAGO ,IL s/d/8a/h
DACK CONSULTING SOLUTIONS, INC. 47QRAA21D005P 914-686-7102 WHITE PLAINS ,NY s/w
D&G SUPPORT SERVICES, LLC GS-00F-131DA 7034033463 WOODBRIDGE ,VA s/w/wo/ew/dv/d/8a
D P ASSOCIATES, INC. GS-10F-0361U 256-837-8300 HUNTSVILLE ,AL s/w/wo/ew/d
CZERO, INC. GS-10F-0081X 9703725775 FORT COLLINS ,CO s
CUTLER ENGINEERING & TECHNOLOGY SERVICES LLC 47QRAA21D008W (619)405-9088 SAN DIEGO ,CA s/dv/d/8a    
CURTAIN WALL DESIGN AND CONSULTING, INCORPORATED GS-00F-190GA 972-437-4200 DALLAS ,TX s
CULMEN INTERNATIONAL, LLC 47QRAA18D006D 703-224-7000 ALEXANDRIA ,VA o
CRUZ ASSOCIATES INC. GS-10F-0379U 757-833-7538 YORKTOWN ,VA s
CRS CONSULTING ENGINEERS, INCORPORATED       47QRAA19D004X 801-359-5565 SALT LAKE CITY ,UT s/d
CROWN CONSULTING, INC. GS-00F-038DA 703-650-0663 ARLINGTON ,VA o
CROSSROADS SOLUTIONS LP       47QRAA20D005T (256)683-1939 KILLEN ,AL s  
CROSSFLOW TECHNOLOGIES, INC 47QRAA18D008D 2564253680 ALBERTVILLE ,AL s
CREDENCE MANAGEMENT SOLUTIONS LIMITED LIABILITY COMPANY GS-10F-0432Y 571-395-8820 VIENNA ,VA o
CREATIVE CORRECTIONS, L.L.C. GS-00F-013AA 409-866-9920 BEAUMONT ,TX s/dv
CREATIVE BUSINESS SOLUTIONS, INC.       47QRAA17D0005 301-509-9954 BOWIE ,MD s/dv/d/8a/h
CRAWFORD CONSULTING SERVICES, INC GS-10F-0252Y 412-823-0400 EAST PITTSBURGH ,PA s/w/wo
CRAIG TECHNICAL CONSULTING, INC. GS-00F-040GA 321-613-5620 MERRITT ISLAND ,FL s/w/wo/ew/dv/d
CRAFT DESIGNS, INC.       47QRAA18D00A3 2566500536 HUNTSVILLE ,AL s/w/wo
COTTER CONSULTING, INC. 47QRAA22D002M 3123271314 CHICAGO ,IL s/w/wo
CORTINA SOLUTIONS, LLC GS-00F-205DA 256-319-2024 HUNTSVILLE ,AL s/w/wo/ew/d/8a/h
CORTEK, INC. GS-10F-0330X 2407316400 CLARKSBURG ,MD s/dv
CORPORATE ALLOCATION SVCS, INC. GS-10F-0311U 303-920-7264 DENVER ,CO s/w/d/8a
CORNFORTH CONSULTANTS, INC. 47QRAA20D007K 503-452-1100 PORTLAND ,OR s
CORNERSTONE SIGNALS & CYBER TECHNOLOGIES LLC       47QRAA19D0003 720-206-6718 CHRISTOVAL ,TX s/w/wo/ew/dv/d
CORNERSTONE CONCILIUM, INC GS-00F-0007S (415)705-7800 SAN FRANCISCO ,CA s/d/h
COOPER ZIETZ ENGINEERS, INC GS-10F-0337T 5036529090 PORTLAND ,OR s/v/d/h
CONSTRUCTION SUPPORT SOLUTIONS, LLC GS-10F-106BA 440-541-6642 AVON LAKE ,OH s/w/wo
CONCURRENT TECHNOLOGIES CORPORATION 47QRAA21D0021 814-269-2871 JOHNSTOWN ,PA o
CONCOURSE FEDERAL GROUP, LLC GS-00F-058GA 8439066688 ALEXANDRIA ,VA s/dv/d/h
CONCORD CONSULTING GROUP OF ILLINOIS, INC., THE 47QRAA21D004D 4142255305 CHICAGO ,IL s
COMPUTERCRAFT CORPORATION GS-00F-262GA 5712663362 WASHINGTON ,DC s/w/wo
COMPUTER MAINSTREAM CORPORATION GS-35F-0694P 770-618-0843 ATLANTA ,GA s/w/8a
COMMAND COMMISSIONING, LLC       47QSHA22D000X 214-441-0782 IRVING ,TX s/d
COLUMBIA GROUP, INC, THE GS-00F-201CA 2026088415 WASHINGTON ,DC s
COLSA CORPORATION GS-00F-293CA 2569645276 HUNTSVILLE ,AL o
COGENT SECURITY CONSULTING LLC GS-00F-301DA (855) 226-4368 ALEXANDRIA ,VA s/d
CODE PLUS INC GS-35F-282CA (703) 846-0030 FAIRFAX ,VA s/w/wo/d/8a
COAST2COAST SURVEY CORPORATION 47QRAA22D003P (423)296-9000 CHATTANOOGA ,TN s    
COAST AND HARBOR ASSOCIATES, INCORPORATED GS-10F-0013U 781-367-5475 MARBLEHEAD ,MA s/w/d/8a
COASPIRE, LLC 47QRAA20D0037 (703)915-0582 FAIRFAX ,VA s/dv  
CNA CORPORATION, THE 47QRAA18D003X 7038242082 ARLINGTON ,VA o
CMT SERVICES, INC. 47QRAA19D008U 2028098785 HYATTSVILLE ,MD s/w/wo/h
CLIENT SOLUTION ARCHITECTS LLC 47QTCA18D003H 619-813-2906 MECHANICSBURG ,PA o
CLASON POINT PARTNERS INC.       47QRAA20D001W 914-377-0301 WHITE PLAINS ,NY s/d/8a
CIVIL DESIGN & ENGINEERING INC GS-10F-263AA (928) 522-9287 FLAGSTAFF ,AZ s/w/wo/d
CITRINE LLC 47QRAA19D008Z 303-330-5385 DENVER ,CO s/h
CINTEL, INC. GS-00F-268GA 2564311237 HUNTSVILLE ,AL s
CINNOVAS DEVELOPMENT GROUP, LLC GS-10F-0248Y (202) 469-3446 WASHINGTON ,DC s/d/h
CIMARRON SOFTWARE SERVICES, INC.       47QRAA19D004Y 8324033337 HOUSTON ,TX s/w/wo
CHITRA PRODUCTIONS GS-00F-271CA 7574950234 NORFOLK ,VA s/w/wo/ew/d/h
CHIMERA ENTERPRISES INTERNATIONAL, INCORPORATED       47QRAA18D0034 (443)739-8187 EDGEWOOD ,MD s/dv
CHEROKEE NATION TECHNOLOGY SOLUTIONS, L.L.C. GS-00F-330GA 918-430-3407 CATOOSA ,OK o
CHEROKEE NATION RED WING, L.L.C. GS-00F-007DA 918-430-3407 TULSA ,OK s/d/h
CHEROKEE NATION MANAGEMENT & CONSULTING, L.L.C. GS-00F-302GA 918-430-3407 CATOOSA ,OK o
CHENEGA TECHNICAL INNOVATIONS, LLC 47QRAA19D0096 703-493-9880 CHANTILLY ,VA o
CHENEGA PROFESSIONAL & TECHNICAL SERVICES, LLC       47QTCA20D002Y 757-410-4653 CHESAPEAKE ,VA s/d/8a
CGI FEDERAL INC. GS-00F-302CA 703-227-4652 FAIRFAX ,VA o
CGI FEDERAL INC. GS-35F-281DA 7032274652 FAIRFAX ,VA o
CGH TECHNOLOGIES, INC. 47QRAA18D00DD 202-580-7401 WASHINGTON ,DC s/w/wo
CFR ENGINEERING CONSULTANTS, INC 47QRAA18D00DC 877.871.4229 GAITHERSBURG ,MD s
CFD RESEARCH CORPORATION GS-10F-0184Y 256-361-0801 HUNTSVILLE ,AL s
CERVELLO GLOBAL CORPORATION 47QRAA18D003E (727) 303-3001 SAFETY HARBOR ,FL s/dv/d
CEPEDA SYSTEMS & SOFTWARE ANALYSIS, INC.       GS-00F-224GA (256) 428-8186 HUNTSVILLE ,AL s/w/wo/d/h
CENTURUM INFORMATION TECHNOLOGY, INC. 47QRAA19D00AM (703)415-9384 MARLTON ,NJ o  
CENTRA TECHNOLOGY, INC. 47QTCA19D0011 7812727892 ARLINGTON ,VA o
CENTAUR CONSULTING GROUP LLC 47QRAA22D00DL 240 338-1705 GLENN DALE ,MD s/d
CDM FEDERAL PROGRAMS CORPORATION GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CBRE, INC 47QRAA21D0038 312-937-1239 WASHINGTON ,DC o
CBRE HEERY, INC. 47QRAA19D00AP (404)946-2432 ATLANTA ,GA o
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