GSA Federal Acquisition Service
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For general questions, contact:
FAS National Customer Service Ctr
Phone: 1-800-488-3111
E-mail: ncsccustomer.service@gsa.gov

MAS Multiple Award Schedule
Professional Services - Technical and Engineering Services (non-IT)
Category Description
541715 Engineering Research and Development and Strategic Planning Service include conducting research and experimental development (except nanotechnology and biotechnology research and experimental development) in the physical, engineering and life sciences such as; such as agriculture, electronics, environmental, biology, botany, computers, chemistry, food, fisheries, forests, geology, health, mathematics, medicine, oceanography, pharmacy, physics, veterinary and other allied subjects.

Typical tasks include, but are not limited to, analysis of mission, program goals and objectives, program evaluations, analysis of program effectiveness, requirements analysis, organizational performance assessment, special studies and analysis, training, and consulting; requirements analysis, cost/cost performance trade-off analysis,feasibility analysis, developing and completing fire safety evaluation worksheets as they relate to professional engineering services; operation and maintenance, evaluation of inspection, testing, and maintenance program for fire protection and life safety systems, program/project management, technology transfer/insertion, training and consulting.

NOTE: Services under this NAICs can not include architect-engineer services as defined in the Brooks Act and FAR Part 2 or construction services as defined in the Federal Acquisition Regulation Part 36 and Part 2.
753 contractors

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Search Contractor T&Cs/Pricelist
Contractor       Contract # Phone City, State Socio-
Economic		 Contractor T&Cs
/Pricelist		 View Catalog
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
XPLOSAFE, LLC 47QRAA22D00A5 405-334-5720 STILLWATER ,OK s
XCEL ENGINEERING, INC. GS-10F-0211P 865-481-3200 OAK RIDGE ,TN s/dv
XCEL ENGINEERING, INC. 47QRAA22D00D0 865-766-8543 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  
WILLOWVIEW CONSULTING, LLC GS-10F-0315V 2082500211 EAGLE ,ID s/w/wo/d
WILLBROOK SOLUTIONS, INC. GS-10F-0299V 2564895820 EXT 107 HUNTSVILLE ,AL s/w/wo
WAVELINK, INC. GS-10F-0397Y 256-776-7216 HUNTSVILLE ,AL s/w/wo
WARRANT TECHNOLOGIES LLC 47QRAA19D000G 8123616721 BLOOMINGTON ,IN s/dv/d
W R SYSTEMS LTD. GS-00F-317GA 703-934-0200 FAIRFAX ,VA o
VT AEPCO INC. GS-23F-0191N 301-863-6512 HUNTSVILLE ,AL o
VSE CORPORATION GS-00F-213CA 703-329-4724 ALEXANDRIA ,VA o
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
VETERAN ENTERPRISE TECHNOLOGY SERVICES, LLC 47QRAA18D00EU 7033497600 ASHBURN ,VA s/dv
VERSAR, INC. 47QRAA18D00F7 703-642-6793 SPRINGFIELD ,VA o
VERSAR, INC. 47QRAA22D0055 202-567-2186 SPRINGFIELD ,VA 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  
VALI, INC. GS-23F-0037S 2705854538 HUNTSVILLE ,AL s/dv
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
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
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
TUBA GROUP, INC. GS-00F-222CA 7034179410 FALLS CHURCH ,VA s/d/8a
TSM CORPORATION GS-00F-284CA 407-443-4709 RESTON ,VA o
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
TRANSYSTEMS CORPORATION 47QRAA19D001C 510-835-9898 KANSAS CITY ,MO o
TOYON RESEARCH CORPORATION GS-23F-0041P 805-968-6787 GOLETA ,CA s
TOYON RESEARCH CORPORATION 47QRAA22D00CR (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
TIER 1 PERFORMANCE SOLUTIONS, LLC 47QRAA21D0074 202-556-1841 COVINGTON ,KY s
THOMPSON GRAY, INC. GS-00F-097DA 256-582-1414 HUNTSVILLE ,AL o
TEXAS RESEARCH INSTITUTE, AUSTIN, INC. 47QRAA19D0056 512-263-3272 AUSTIN ,TX s
TETRA TECH, INC. GS-00F-168CA 8056813102 PASADENA ,CA o
TESLA LABORATORIES INC. GS-23F-0208S 571.303.9483 ARLINGTON ,VA s/dv/d
TELTRIUM SOLUTIONS, LLC 47QRAA20D001Y (301)741-2711 GREENBELT ,MD s/d/8a    
TELEDYNE BROWN ENGINEERING, INC. GS-00F-155CA (256)726-4345 HUNTSVILLE ,AL o  
TEKLA RESEARCH, INC. GS-10F-073AA 7034922620 FREDERICKSBURG ,VA s/dv
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 SERVICE CORPORATION GS-23F-0240S 301-576-2372 ARLINGTON ,VA o
TECHNICAL SYSTEMS INTEGRATION, INC. GS-00F-237CA 7039559575 NORFOLK ,VA s/dv
TECHNI-CORE ENGINEERING INC 47QRAA20D009E 2567040234 HUNTSVILLE ,AL s/w/wo
TECHFLOW, INC. 47QTCA19D0048 858-412-8000 SAN DIEGO ,CA o
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
TAI ENGINEERS, LLC GS-00F-020GA 504-282-6166 NEW ORLEANS ,LA s/d
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 GS-23F-0033P (256) 895-9000 HUNTSVILLE ,AL s/w/wo
SYSTEM DYNAMICS INTERNATIONAL INCORPORATED 47QRAA23D0017 (256)895-7153 HUNTSVILLE ,AL 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
SUSQUEHANNA VALLEY ENGINEERING GROUP, INC. 47QRAA18D003V 7178855532 DALLASTOWN ,PA s
SUMMIT TECHNICAL SOLUTIONS LLC GS-10F-0347T 719-309-6312 COLORADO SPRINGS ,CO s/w/wo/v
STS INTERNATIONAL, INCORPORATED       47QRAA19D00C9 703-575-5180 BERKELEY SPRINGS ,WV o
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 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
STRATA-G SOLUTIONS, LLC GS-10F-0287W 256-705-4316 HUNTSVILLE ,AL s/d
STRATA G, LLC GS-00F-004CA 8659343400 KNOXVILLE ,TN o
STONEWALL DEFENSE LLC 47QRAA23D0005 7738603332 TROY ,NY s/v/d
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
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
SRI INTERNATIONAL 47QRAA21D002R 7032478531 MENLO PARK ,CA o
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
SPECIALTY MANAGEMENT SERVICES OF OUACHITA LLC 47QRAA22D00ET (813)476-5777 MONROE ,LA s    
SPECIAL AEROSPACE SERVICES GS-10F-0456X (303)625-1010 BOULDER ,CO s/w/wo/ew/d/8a  
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
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
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
SNA INTERNATIONAL, LLC 47QTCA19D00KX 703-370-1930 ALEXANDRIA ,VA s/w/wo/ew/d/8a
SKJEI TELECOM, INC. GS-23F-0286P 703-917-9882 VIENNA ,VA s
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
SHARMA & ASSOCIATES INC       GS-10F-0027T 708-588-9871 HINSDALE ,IL s/d
SEVATEC INC. GS-10F-0142W 571-766-1300 VIENNA ,VA o
SEV1TECH INC       GS-10F-0008V 7036629778 WOODBRIDGE ,VA o
SEV1TECH INC 47QRAA18D008N 504-831-1900 WOODBRIDGE ,VA s
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
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
SELLERS & ASSOCIATES, LLC       47QRAA20D0099 703-848-7938 CHESAPEAKE ,VA s/v
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
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. 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
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
SARGENT & LUNDY ENGINEERING SERVICES, INC       47QRAA22D00ER (312)269-7556 CHICAGO ,IL o    
SAGE SERVICES GROUP, LLC 47QREA21D0008 240-380-3504 BOWIE ,MD s/w/wo/ew
SAGE ANALYSIS GROUP, INC. 47QTCA21D0058 617-650-1277 BOSTON ,MA s
SABRE SYSTEMS, INC. GS-00F-178CA (215)957-5222 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
ROCKWOOD COMPANY LLC 47QRAA18D0018 2028416634 WASHINGTON ,DC s/w/wo
ROCK ENGINEERING LLC       GS-00F-319GA (860)841-7106 SOUTH WINDSOR ,CT s  
ROBERT AND COMPANY GS-00F-210GA 4045774000 ATLANTA ,GA s/dv
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
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
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  
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
R2C LIMITED LIABILITY COMPANY GS-00F-306GA 256-799-2363 HUNTSVILLE ,AL s/dv
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 INC 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
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
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 ENHANCEMENT CORPORATION 47QRAA22D007U 240-686-3059 GERMANTOWN ,MD o
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
PRODUCTIVITY APEX, INC. GS-10F-0266U (407)222-1256 WINTER PARK ,FL s/w/wo/d/8a  
PROBITAS PROJECT, INC., THE 47QRAA22D0027 571-201-2966 VIENNA ,VA s/v
PRKK, L.L.C. 47QRAA18D006N (303)246-3377 STUART ,FL s  
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  
PPT SOLUTIONS, INC. GS-00F-422GA 256-319-0423 HUNTSVILLE ,AL s
POTOMACWAVE CONSULTING, INC. GS-00F-0007X 703-963-5064 ALEXANDRIA ,VA o
POLARIS SENSOR TECHNOLOGIES, INC. GS-00F-198GA 256-562-0087 HUNTSVILLE ,AL s/w/wo
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PINNACLE SOLUTIONS, INC. GS-00F-0017X 256-489-1565 HUNTSVILLE ,AL o
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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
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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
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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
PARALLAX ADVANCED RESEARCH CORPORATION 47QRAA22D0099 937-705-1057 BEAVERCREEK ,OH o
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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
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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
OCH TECHNOLOGIES, LLC 47QRAA19D005Q 7038643479 LEESBURG ,VA s/d/8a
OCEAN ASSOCIATES, INCORPORATED GS-10F-0567P 703-388-9548 ARLINGTON ,VA s/w/wo
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OASIS SYSTEMS, LLC 47QRAA18D006F 781-879-1447 BURLINGTON ,MA s
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NORTHROP GRUMMAN SYSTEMS CORPORATION GS-00F-128CA 703-713-4588 MCLEAN ,VA o
NORTHINGTON CONSULTING, LLC       47QRAA18D0083 (256) 651-3333 HUNTSVILLE ,AL s/dv
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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
NLOGIC, LLC GS-00F-239CA 2567042513 HUNTSVILLE ,AL 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
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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
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NATIONAL INSTITUTE FOR HOMETOWN SECURITY, INC., THE 47QRAA22D00A9 606-451-3450 SOMERSET ,KY o
NANORACKS, LLC 47QRAA18D004R (832)632-7754 WEBSTER ,TX s  
MUNRO & ASSOCIATES INC 47QRAA23D000B (517)347-8952 AUBURN HILLS ,MI s    
MTI SYSTEMS, INC. GS-00F-007BA (518)894-2538 LOTHIAN ,MD s/w/wo/d  
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MORSECORP, INC 47QRAA18D00A1 617-314-7509 CAMBRIDGE ,MA s
MONTE SANO RESEARCH CORPORATION       47QRAA18D006B (256)705-3567 HUNTSVILLE ,AL s  
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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
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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  
MILLENNIUM ENGINEERING AND INTEGRATION LLC       47QRAA20D0092 7034137765 ARLINGTON ,VA o
MILLENNIUM CORPORATION GS-10F-0141W 703-436-1346 ARLINGTON ,VA s/dv/d
MICROCOM DESIGN, INC. GS-10F-0213W 410-771-1070 COCKEYSVILLE ,MD s
MICHAEL BAKER INTERNATIONAL, INC. 47QRAA21D008D 703-483-0029 ALEXANDRIA ,VA o
METRON, INCORPORATED       GS-00F-166DA 7033262870 RESTON ,VA s
METIS TECHNOLOGY SOLUTIONS, INC. 47QRAA21D009J (505)299-1509 ALBUQUERQUE ,NM s/w/wo    
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MEDIADYNE, LLC 47QRAA18D00DY (301)785-3601 GREAT FALLS ,VA s/v  
MCR FEDERAL, LLC GS-00F-123CA 703.740.2237 MCLEAN ,VA o
MCLAUGHLIN RESEARCH CORPORATION       47QRAA21D0093 (401) 849-4010 NEW LONDON ,CT s
MCHENRY MANAGEMENT GROUP, INC., THE GS-10F-0239U 7574100233 CHESAPEAKE ,VA s/v
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MAXAR INTELLIGENCE INC.       47QRAA19D002V 703-439-4772 WESTMINSTER ,CO o
MATRIX DESIGN GROUP, INC. 47QRAA19D009K (719)575-0100 COLORADO SPRINGS ,CO o  
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MARTINFEDERAL CONSULTING, LLC GS-35F-491CA 256-382-4316 HUNTSVILLE ,AL s/dv/d/8a
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
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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
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LOYOLA ENTERPRISES INC 47QTCA21D00DE 757-498-6118 X101 VIRGINIA BEACH ,VA s/dv/d
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LOCKWOOD GROUP LLC, THE GS-00F-349GA 240-285-5480 BELCAMP ,MD s/dv
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LJB INC GS-00F-049CA 937-259-5000 MIAMISBURG ,OH o
LINQUEST CORPORATION 47QRAA21D009B 323-924-1587 LOS ANGELES ,CA o
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KOKUA SUPPORT SERVICES CORPORATION 47QRAA19D0012 (757)243-8462 NEWPORT NEWS ,VA s/d  
KODA TECHNOLOGIES INC. 47QRAA19D0081 256-509-2710 HUNTSVILLE ,AL s/w/wo/d
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KINETIC METRICS, LLC 47QRAA20D000K 7036476221 ALEXANDRIA ,VA s/d/8a
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KENTCO CORPORATION 47QRAA20D000S 571-665-4199 HERNDON ,VA s/dv
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KEMSYSTEK, LLC 47QRAA20D0047 (410)740-8706 ALEXANDRIA ,VA s/w/wo/dv/d  
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JMS NAVAL ARCHITECTS, LLC       GS-10F-0181V (860)662-0057 MYSTIC ,CT s/v  
JMA SOLUTIONS LLC 47QRAA18D00GC 202-465-8245 WASHINGTON ,DC o
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JGMS GOVERNMENT SERVICES, LLC GS-00F-0014Y 970-254-1354 GRAND JUNCTION ,CO s/d/8a
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JANUS RESEARCH GROUP, LLC GS-00F-310CA 7063649100 EVANS ,GA o
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ITSC SECURE SOLUTIONS, LLC GS-10F-0010U MAINVIELLE FAIRFAX ,VA s/w/wo
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IOMAXIS GS-35F-274AA 703-455-2555 LORTON ,VA o
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INVARIANT CORPORATION GS-23F-0315P 256-885-9794 HUNTSVILLE ,AL s
INTUITIVE RESEARCH AND TECHNOLOGY CORPORATION GS-23F-0343N 2569229300 HUNTSVILLE ,AL o
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INTERFUZE CORPORATION GS-35F-0013T 2563829715 HUNTSVILLE ,AL s
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INTELLIGENCE & SECURITY ACADEMY LLC, THE 47QRAA22D0087 (703)567-7757 ARLINGTON ,VA s/v/8a
INTEK INC.       GS-00F-089GA 703-465-2231 ARLINGTON ,VA s
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INSIGHT TECHNOLOGY SOLUTIONS, LLC 47QRAA18D0064 301-860-1121 BOWIE ,MD s/w/wo
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GSD LLC 47QRAA21D0022 7572070809 WILLIAMSBURG ,VA s/v
GROVE RESOURCE SOLUTIONS, INC.       GS-10F-0502X 240-772-2433 BETHESDA ,MD o
GROUP W INC. GS-00F-069GA 703-752-5841 VIENNA ,VA s
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
GREENDART, INCORPORATED GS-10F-214AA 3102420032 SAN PEDRO ,CA s
GREEN AND SUSTAINABLE SERVICES, LLC GS-07F-231CA 940-597-3723 PONDER ,TX s/w/wo/ew
GRAHAM TECHNOLOGIES LLC 47QRAA19D00BY (240) 764-7902 LARGO ,MD s/d
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 2155798200 MORRISVILLE ,PA s
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
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
GENEVA FOUNDATION, THE 47QRAA21D009K 253 682 3814 TACOMA ,WA o
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. GS-23F-0019P 703-234-5261 HERNDON ,VA s/d/8a
GENCO SYSTEMS, INC. 47QRAA20D001P 703-234-5261 HERNDON ,VA s/d
GEMINI INDUSTRIES INC. GS-00F-279CA 781-203-0100 BURLINGTON ,MA s/w/wo
GEM TECHNOLOGY INTERNATIONAL, CORP. GS-00F-0001R 305.447.1344 MIAMI ,FL s/w/wo/ew/d
GEM TECHNOLOGY INTERNATIONAL, CORP. 47QRAA22D008D 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
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
GARUD TECHNOLOGY SERVICES, INC. GS-10F-179AA 2022561079 ELLICOTT CITY ,MD s/w/wo/ew/d/8a
GANNETT FLEMING, INC. GS-00F-114CA 703-277-9505 CAMP HILL ,PA o
GAN CORPORATION GS-10F-0085U 256-489-2471; 4278 HUNTSVILLE ,AL s
G2S CORPORATION 47QRAA19D00C5 2104272677 SAN ANTONIO ,TX s/d/8a
G2 OPS, INC. 47QRAA18D0002 757-373-7368 VIRGINIA BEACH ,VA s/w/wo/ew/d
FTS INTERNATIONAL, LLC 47QRAA19D0064 (703)225-7713 DULLES ,VA 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  
FLUOR FEDERAL SERVICES, INC. 47QSHA22D0008 703-351-6450 GREENVILLE ,SC o
FLOWWEST, LLC 47QRAA22D0057 (727)992-3536 OAKLAND ,CA 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
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
EXPONENT, INC. 47QSMA18D0007 6506887013 MENLO PARK ,CA o
EXOSTRATEGIES, INC. GS-10F-0007V 719-649-4414 COLORADO SPRINGS ,CO s
EXIGO CORPORATION       47QRAA22D0080 5019083497 COLORADO SPRINGS ,CO s/v
EXCET, INC. GS-00F-004BA (703)493-9676 SPRINGFIELD ,VA s  
EVA GARLAND CONSULTING, LLC       47QRAA20D000Q 9198251600 RALEIGH ,NC s/w/wo
ESCIENCE AND TECHNOLOGY SOLUTIONS, INCORPORATED GS-00F-124GA 301-429-0005 LANDOVER ,MD s/d
EPSILON SYSTEMS SOLUTIONS, INC. 47QRAA21D005F 619-702-1700 SAN DIEGO ,CA o
ENTERPRISE RESOURCE PLANNING INTERNATIONAL, LLC 47QRAA19D009W 3014900080 LAUREL ,MD o
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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
ENGENIUSMICRO, LLC 47QRAA19D004K 2562611260X124 HUNTSVILLE ,AL s/h
ENFA CORPORATION 47QTCA19D00FA 727-992-3536 LEESBURG ,VA s/w/wo
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
EL DORADO ENGINEERING, INC.       47QRAA18D00E6 801-966-8288 WEST JORDAN ,UT s
EDGESOURCE CORPORATION 47QRAA18D004S 703-837-0550 ALEXANDRIA ,VA s
ECS FEDERAL, LLC GS-00F-072CA 571-232-1412 FAIRFAX ,VA o
EASTERN RESEARCH GROUP, INC. GS-00F-079CA 7742491622 LEXINGTON ,MA o
DYNETICS, INC. GS-00F-045CA (256)998-4693 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
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
DLS ENGINEERING ASSOCIATES, INC. GS-00F-229CA 757-494-5151 VIRGINIA BEACH ,VA s/w/wo
DIGITAL MOBILIZATIONS, INC.       47QRAA19D00BP (540)219-9222 WARRENTON ,VA s/d    
DIGIFLIGHT INCORPORATED GS-00F-195GA 256-603-5322 COLUMBIA ,MD s/v/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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DELOITTE CONSULTING LLP 47QRAA18D001P 703-251-1642 ARLINGTON ,VA o
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
DECISION TECHNOLOGIES INC. 47QRAA21D005X 703-416-5050 ARLINGTON ,VA s/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
DAVIS STRATEGIC INNOVATIONS, INC. GS-10F-225BA 256-489-0550 HUNTSVILLE ,AL s/dv
DAVIDSON TECHNOLOGIES, INC. 47QRAA21D008A (256)327-3169 HUNTSVILLE ,AL o    
DAVID CLARK COMPANY INCORPORATED       GS-10F-0467Y 508-751-5841 WORCESTER ,MA s
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
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
CULMEN INTERNATIONAL, LLC 47QRAA18D006D 703-224-7000 ALEXANDRIA ,VA o
CRUZ ASSOCIATES INC. GS-10F-0379U 757-833-7538 YORKTOWN ,VA s
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CROSSFLOW TECHNOLOGIES, INC 47QRAA18D008D 2564253680 ALBERTVILLE ,AL s
CREDENCE MANAGEMENT SOLUTIONS LIMITED LIABILITY COMPANY GS-10F-0432Y 571-395-8820 VIENNA ,VA o
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
CORTINA SOLUTIONS, LLC GS-00F-205DA 256-319-2024 HUNTSVILLE ,AL s/w/wo/ew/d/8a/h
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 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
CONSOLIDATED SAFETY SERVICES INCORPORATED GS-00F-217CA (703) 877-3352 FAIRFAX ,VA o
CONCURRENT TECHNOLOGIES CORPORATION 47QRAA21D0021 814-269-2871 JOHNSTOWN ,PA o
COMPUTERCRAFT CORPORATION GS-00F-262GA 5712663362 WASHINGTON ,DC s/w/wo
COMPREHENSIVE APPROACH, LLC 47QRAA22D00AK 8643109404 FAIRFAX ,VA s/dv/d/8a/h
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
COASPIRE, LLC 47QRAA20D0037 (703)915-0582 FAIRFAX ,VA s/dv  
CNA CORPORATION, THE 47QRAA18D003X (703)824-2022 ARLINGTON ,VA o  
CMT SERVICES, INC. 47QRAA19D008U 2028098785 HYATTSVILLE ,MD s/w/wo/h
CLOUDBURST CONSULTING GROUP, INC. GS-10F-0218U 301-412-9229 HYATTSVILLE ,MD s/w/wo/d/8a
CLIENT SOLUTION ARCHITECTS LLC 47QTCA18D003H 619-813-2906 MECHANICSBURG ,PA o
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CINTEL, INC. GS-00F-268GA 2564311237 HUNTSVILLE ,AL s
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
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
CHENEGA TECHNICAL INNOVATIONS, LLC 47QRAA19D0096 703-493-9880 CHANTILLY ,VA o
CHENEGA RELIABLE SERVICES, LLC 47QSHA21D001A 210-236-3934 SAN ANTONIO ,TX s/d/8a
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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
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  
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CDM FEDERAL PROGRAMS CORPORATION GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CBRE HEERY, INC. 47QRAA19D00AP (404)946-2432 ATLANTA ,GA o
CATALYST SOLUTIONS, LLC       GS-00F-412GA (504)623-5458 STAFFORD ,VA s/dv  
CARDNO GS, INC. GS-00F-196CA 9165487783 CHARLOTTESVILLE ,VA o
CAPABILITY ANALYSIS & MEASUREMENT ORGANIZATION LLC 47QRAA20D0048 937-458-3719; X412 BEAVERCREEK TOWNSHI ,OH s/dv
CANYON CONSULTING, LLC 47QRAA18D0065 (949)351-7235 LOS ANGELES ,CA s/w/wo/ew/d  
CANVAS, INC. GS-10F-0195Y (256) 489-2988 HUNTSVILLE ,AL s/w/wo
CAMBRIDGE INTERNATIONAL SYSTEMS INC.       47QRAA18D005T 5713198919 ARLINGTON ,VA o
CACI INC FEDERAL GS-00F-268CA 703-679-3412 CHANTILLY ,VA o
C4 PLANNING SOLUTIONS, LLC 47QRAA18D006V 706-592-3095 x104 BLYTHE ,GA o  
C2 TECHNOLOGY SOLUTIONS INC. GS-35F-272GA 410-794-6792 COLUMBIA ,MD s/d/8a
C2 TECHNOLOGIES INC 47QRAA18D006A 703-752-2139 VIENNA ,VA o
C2 ALASKA, LLC 47QSHA22D000D 210-236-3940 SAN ANTONIO ,TX s/d/8a
BURNS ENGINEERING, INC. 47QRAA19D00AF 2156087846 PHILADELPHIA ,PA o
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BTAS INC       47QRAA20D006J 937931-9431 BEAVERCREEK ,OH s/w/wo
BRYCE SPACE AND TECHNOLOGY, LLC 47QRAA18D00AN 240-462-3863 ALEXANDRIA ,VA s/w/wo
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BRMI CONSULTING, INC. GS-35F-0490W 443-418-6674 SILVER SPRING ,MD o
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BRETT LLC 47QRAA21D00A6 757-325-7056 BRISTOW ,VA s/dv/d
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BRADSHAW ENGINEERING AND TECHNICAL SERVICES, LLC GS-00F-183DA (256) 603-6471 HUNTSVILLE ,AL s
BOUNDS ASSOCIATES, LLC GS-10F-115CA 703-944-7066 ALEXANDRIA ,VA s/dv
BOSTON GOVERNMENT SERVICES, LLC GS-00F-013GA 202-262-8098 LENOIR CITY ,TN o
BOSTON CONSULTING GROUP, INC., THE 47QRAA21D00AU 301-771-2350 BETHESDA ,MD o
BOOZ ALLEN HAMILTON INC.       GS-00F-008DA 7033774359 MCLEAN ,VA o
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BMT DESIGNERS & PLANNERS, INC. GS-00F-337CA 703-920-7070 ARLINGTON ,VA o
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BLUEPATH LABS LLC 47QRAA19D0020 787-405-4501 WASHINGTON ,DC s/dv/d/8a
BLUEHALO LLC GS-10F-0019U 256-922-0802 HUNTSVILLE ,AL o
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BLACK DIAMOND CONSULTING CORPORATION GS-00F-292GA 703-599-6266 ASHBURN ,VA s/d
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BIGELOW FAMILY HOLDINGS LLC 47QRAA18D00C5 586-306-8962 STERLING HEIGHTS ,MI s/w/wo/ew/dv/d/8a
BFA SYSTEMS, INC. GS-10F-0303T 256-704-3201 HUNTSVILLE ,AL s/dv
BENNETT AEROSPACE, INC.       47QRAA20D003H 919-636-5185 RALEIGH ,NC s/w/wo/ew/v/d/8a
BEACON SYSTEMS, INC 47QRAA18D0091 954-426-1171 CORAL SPRINGS ,FL s/d
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BARBARICUM LLC GS-00F-206CA (202) 393-0873 WASHINGTON ,DC o
BANNER DEFENSE, INC. 47QRAA19D004Q 256-970-8795 MADISON ,AL s/dv
BANDWIDTH SOLUTIONS INC GS-23F-0295P (703)966-4478 MC LEAN ,VA s/w
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B3H CORPORATION 47QRAA18D0025 (850) 651-3443 SHALIMAR ,FL s/dv
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AVNIK DEFENSE SOLUTIONS INC GS-10F-219AA 256-513-5295 HUNTSVILLE ,AL s/w/wo
AVION SOLUTIONS, INC.
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AVION SOLUTIONS, INC. 47QRAA22D0091 256-721-7006 HUNTSVILLE ,AL o
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AVIAN, LLC 47QRAA18D006L 301-866-2070 EXT. #1 LEXINGTON PARK ,MD s/dv
AVANTUS FEDERAL LLC GS-00F-151CA 571-551-2726 MCLEAN ,VA o
AVALON BUSINESS ENGINEERING SERVICES, LLC 47QRAA20D003E (801) 447-1623 CLEARFIELD ,UT s/w/wo/ew/dv/d/8a
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ASCENSION GLOBAL SOLUTIONS, LLC 47QRAA19D009Y 781-254-9020 NORTH BILLERICA ,MA s
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ARGO SYSTEMS, LLC GS-10F-0335T 410-768-2444 HANOVER ,MD o
ARES CORPORATION 47QRAA21D003Z 7037149960 BURLINGAME ,CA o
ARCHARITHMS, INC. GS-00F-175DA 256-763-8781 HUNTSVILLE ,AL s/h
ARBOR RESEARCH COLLABORATIVE FOR HEALTH       47QRAA22D008J 7346654108 ANN ARBOR ,MI o
APTIVE RESOURCES LLC GS-07F-281BA 571-210-4500 ALEXANDRIA ,VA s/w/wo/ew/dv/d
APSI CONSTRUCTION MANAGEMENT GS-23F-0054S 949-679-0202 IRVINE ,CA s
APPLIED THERMAL COATINGS INC 47QRAA23D001J (423)762-1273 CHATTANOOGA ,TN s/d    
APPLIED TECHNOLOGY, INC. 47QRAA19D00CC 540-663-0050 KING GEORGE ,VA s
APPLIED RESEARCH SOLUTIONS, INC GS-00F-135GA 937-912-6100 BEAVERCREEK ,OH s
APPLIED INSIGHT, LLC GS-00F-145GA 703-215-8211 RESTON ,VA o
APOGEE SOLUTIONS, INC. 47QRAA18D009D 757-549-2645 CHESAPEAKE ,VA s/w/wo
APOGEE ENGINEERING, LLC GS-10F-0242W 5406568037 COLORADO SPRINGS ,CO s/d/8a
ANTARES GROUP INCORPORATED       47QRAA19D008S 301-731-1900 X 220 EDGEWATER ,MD s
ANDROMEDA SYSTEMS INCORPORATED GS-10F-0300Y 904-402-8652 VIRGINIA BEACH ,VA o
ANDREWS CONSULTING SERVICES LLC       47QRAA20D004A 7193227041 BEALETON ,VA s/w/wo
ANALYTICAL SERVICES, INC.       GS-00F-020DA 571-418-9792 HUNTSVILLE ,AL s/d
ANALYTICAL SERVICES & MATERIALS, INC. 47QRAA21D001S 757-224-6751 HAMPTON ,VA s/w/wo
ANALYTICAL MECHANICS ASSOCIATES, INC. 47QRAA21D002Q 256.830.4811 X 112 HAMPTON ,VA s
ANALYTIC SERVICES INC. GS-00F-095CA 7034161304 FALLS CHURCH ,VA o
ANALYSIS, PLANNING AND MANAGEMENT INSTITUTE, INC. 47QRAA19D0047 540-321-4888 CULPEPER ,VA o
ANALYGENCE, INC. 47QRAA20D005D 301-830-6092 COLUMBIA ,MD s/dv/d/8a
AMERICAN SYSTEMS CORPORATION GS-35F-500CA 7039685068 CHANTILLY ,VA o
AMENTUM TECHNICAL SERVICES LLC 47QRAA20D006B 803-530-1330 AIKEN ,SC o
AMENTUM SERVICES, INC. GS-00F-046CA 301-944-3132 GERMANTOWN ,MD o
AMEE BAY, LLC GS-10F-0255V 843-414-4141 ANCHORAGE ,AK s/d/8a
AM PIERCE & ASSOCIATES, INC. 47QRAA22D006D 240-718-3814 CALIFORNIA ,MD s/w/wo
ALTUS, LLC GS-10F-0155V (410) 457-8115 DARLINGTON ,MD s
ALTAMIRA TECHNOLOGIES CORPORATION 47QRAA19D0027 703-813-2100 MCLEAN ,VA s
ALPHASIX CORPORATION GS-35F-307AA 703-579-6479 STERLING ,VA s
ALPHASIX CORPORATION 47QRAA19D00B6 703-579-6479 STERLING ,VA o
ALPHA CONSTRUCTION AND ENGINEERING CORPORATION GS-23F-0209N 703-450-0800 DULLES ,VA o
ALLUVIONIC INC. 47QRAA20D003F 5012594288 MELBOURNE ,FL s/w/wo/ew/d/8a
ALLIED MISSION GROUP LLC 47QRAA18D00G8 571-344-0888 LEESBURG ,VA s/d/h
ALLIANCE POINTE, LLC 47QRAA18D00GY 7038595254 URBANNA ,VA s/w/wo/h
ALLEGHENY SCIENCE & TECHNOLOGY CORPORATION GS-10F-053AA 304-319-0044 BRIDGEPORT ,WV s/w/wo/d/8a
ALION SCIENCE AND TECHNOLOGY CORPORATION GS-00F-064CA (757) 802-0293 MC LEAN ,VA o
ALEXANDRIA INSIGHTS, INC 47QRAA18D003M (703)282-0121 STAFFORD ,VA s/dv  
ALEX - ALTERNATIVE EXPERTS, LLC 47QRAA18D003Y 703-547-1665 MARSHALL ,VA s/w/wo
ALABAMA A&M UNIVERSITY RESEARCH, INNOVATION, SCIENCE AND ENGINEERING FOUNDATION, INC., THE 47QRAA19D002C (256)372-5866 NORMAL ,AL o    
AKIMEKA, LLC GS-00F-147CA 703-329-4724 COLUMBIA ,MD o
AIR LOGISTICS AND ENGINEERING CONSULTANTS, LLC       47QRAA18D0092 4789514404 WARNER ROBINS ,GA s
AI SIGNAL RESEARCH, INC. GS-10F-0254T 256-551-0008 X39 HUNTSVILLE ,AL s
AFG GROUP INC. GS-23F-0371P 703-342-9939 HERNDON ,VA s/w/wo
AFG GROUP INC. 47QRAA20D009J 703-435-0029 HERNDON ,VA s/w/wo
AFFILIATED ENGINEERS METRO DC, INC.       47QRAA18D00GE 301-509-6730 ROCKVILLE ,MD o
AES GROUP, INC. GS-23F-0250N (303)841-3922 PARKER ,CO s/dv  
AEROSPACE BUSINESS DEVELOPMENT ASSOCIATES, INC. GS-00F-312DA 9373181640 BEAVERCREEK ,OH s/v
AERO THERMO TECHNOLOGY, INC. 47QRAA18D00BA 2569221141 HUNTSVILLE ,AL s/w/wo
AERIAL PRODUCTIONS INTERNATIONAL, INC. GS-10F-178AA 520-820-1024 TUCSON ,AZ s
AECOM TECHNICAL SERVICES, INC. GS-00F-188CA 512-419-5738 LOS ANGELES ,CA o
ADVANCED SCIENCES AND TECHNOLOGIES, LLC GS-10F-0103U (856)719-9001 BERLIN ,NJ s  
ADVANCED PROJECT CONSULTING, LLC GS-00F-122GA 478-420-0272 WARNER ROBINS ,GA s/w/wo/ew/dv/d/8a
ADVANCED MANAGEMENT STRATEGIES GROUP, INC. GS-00F-024CA 5713910435 DUMFRIES ,VA s/dv
ADVANCED CORE CONCEPTS, LLC GS-00F-0005U (937) 426-2808 WARNER ROBINS ,GA o
ACTUALIZED BUSINESS SOLUTIONS, INC. 47QRAA20D007J 800-905-6724 CALIFORNIA ,MD s/dv
ACQUISITION, RESEARCH AND LOGISTICS INC GS-10F-0415X 301-749-1410 LANHAM ,MD s/dv/d
ACQUISITION SYSTEMS ASSOCIATES, INC. 47QRAA19D001V 7039663786 GREAT FALLS ,VA s
ACQUIRED DATA SOLUTIONS, INC. GS-00F-228GA 301-984-4193 ROCKVILLE ,MD s
ACQCENTRIC, INC. 47QRAA22D0026 256-384-5259 HUNTSVILLE ,AL s/w/wo/ew/dv/d/8a
ACCURATE MACHINE & TOOL CORPORATION 47QRAA20D0013 (256)461-8063 MADISON ,AL s/w/wo  
ABT, INC. GS-23F-0109S 256-679-7950 HUNTSVILLE ,AL s/dv
ABSG CONSULTING INC. GS-00F-026CA 703-351-3715 SPRING ,TX o
ABRAHAM WEITZBERG GS-23F-0115N 3012549601 PLEASANTON ,CA s
ABACUS TECHNOLOGY CORPORATION GS-00F-191CA 301-215-7593 CHEVY CHASE ,MD o
ABACUS TECHNOLOGY CORPORATION GS-35F-720GA 301-215-7593 CHEVY CHASE ,MD o
A2 SYSTEMS ENGINEERING, INC. GS-10F-0316X 31046966606 EL SEGUNDO ,CA s/v
A-P-T RESEARCH, INC.       47QRAA21D0040 2563274015 HUNTSVILLE ,AL s
5-D SYSTEMS, INC.       GS-23F-0322N 512-238-9840 X18 ROUND ROCK ,TX s
4M RESEARCH, INC. 47QRAA19D0094 256-319-4646 HUNTSVILLE ,AL s/w/wo
3U TECHNOLOGIES, LLC GS-10F-119AA 301-452-3152 CONROE ,TX s