GSA Federal Acquisition Service
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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.
739 contractors

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Contractor       Contract # Phone City, State Socio-
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ZANTECH IT SERVICES, INC. 47QRAA19D004L 7032861393 TYSONS CORNER ,VA o
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. 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 MANHATTAN BEACH ,CA s
WORLDWIDE COUNTER THREAT SOLUTIONS, LLC 47QRAA19D00CM 703-412-9394 FREDERICKSBURG ,VA s/dv
WOOLPERT, INC. GS-00F-0038N 937-531-1309 DAYTON ,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 2564895820X107 HUNTSVILLE ,AL s/w/wo
WHITNEY, BRADLEY & BROWN INC. GS-00F-297CA 7034486081 RESTON ,VA o
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/8a
VIGYAN, INC. 47QRAA21D0023 757 865-1400 X202 HAMPTON ,VA s/w/wo/d
VICTORY SOLUTIONS, INC. GS-10F-0011U 256-799-2602 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
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 MISSION SOLUTIONS CORPORATION GS-00F-050CA 719-637-4506 ALEXANDRIA ,VA o
VECTOR RESOURCE, INC       GS-00F-0004U 619-433-9586 SEWICKLEY ,PA s/w
VAULTES, LLC 47QRAA19D00B1 202-503-9128 RESTON ,VA s/v/d/8a
VANTAGE SYSTEMS, INC. GS-00F-313GA (301)459-6007 LANHAM ,MD o    
VANASSE HANGEN BRUSTLIN INC GS-00F-116CA 804-441-7439 WILLIAMSBURG ,VA o
VANA SOLUTIONS LLC       47QRAA18D00E2 937-490-1971 BEAVERCREEK ,OH s/w/wo/ew/d
VALKYRIE ENTERPRISES, LLC 47QRAA18D00DP (757)962-2545 VIRGINIA BEACH ,VA o  
VALI, INC. GS-23F-0037S 2563279304 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 937-229-2919 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 TECHNICAL RESOURCE SERVICES, INC. GS-00F-0086M (856)667-6770 CHERRY HILL ,NJ s  
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  
TURNAROUND FACTOR INC GS-10F-0031N 804-909-0971 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/w/wo
TRIVECTOR SERVICES, INC.       GS-10F-109CA 256-419-2171 HUNTSVILLE ,AL s
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 s/w/wo
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
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/dv
TM CAPTURE SERVICES, LLC       47QRAA19D001Z (937) 426-2596 BEAVERCREEK ,OH s/w/wo/ew/d/8a
TIGER INNOVATIONS, INC.       GS-00F-139GA (703)435-2980 ARLINGTON ,VA s  
TIER 1 PERFORMANCE SOLUTIONS, LLC 47QRAA21D0074 859-415-1000 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 2567261211 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
TECHNOLOGY SECURITY ASSOCIATES, INC. GS-00F-171GA 301-866-0295X330 CALIFORNIA ,MD s/dv
TECHNICAL SYSTEMS INTEGRATION, INC. GS-00F-237CA 7039559575 NORFOLK ,VA s/dv
TECHNI-CORE ENGINEERING INC 47QRAA20D009E 2567040234 HUNTSVILLE ,AL s/w/wo
TECHNI-CORE ENGINEERING INC       GS-00F-0036M 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 MCLEAN ,VA s
TEAMWORKNET, INC GS-23F-0182R (863)327-1080 LAKELAND ,FL s  
TAI ENGINEERS, LLC GS-00F-020GA 504-282-6166 NEW ORLEANS ,LA s/d
SYSTEMS TECHNOLOGY & RESEARCH, INC. GS-23F-0246M 256-529-2799 HUNTSVILLE ,AL s/d
SYSTEMS TECHNOLOGIES, INC.       GS-00F-0002U 732-571-6400 WEST LONG BRANCH ,NJ s
SYSTEMS PRODUCTS AND SOLUTIONS, INC.       GS-00F-137CA 256-382-7734 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 4435347723 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 256-895-7153 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
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
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
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
SSOE, INC. GS-00F-006AA (419)255-3830 TOLEDO ,OH o  
SRI INTERNATIONAL 47QRAA21D002R 7032478531 MENLO PARK ,CA o
SRC, INC. 47QRAA19D005N 3154528165 NORTH 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
SPECIAL AEROSPACE SERVICES GS-10F-0456X 303-747-3413 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
SOUTHERN RESEARCH INSTITUTE GS-10F-0185Y 2055812873 BIRMINGHAM ,AL o
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 X 298 BEAVERCREEK ,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 FALLS CHURCH ,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 (321)972-9980 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 256-715-6744 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 SPACE LLC GS-00F-175GA 301-552-6027 LANHAM ,MD o
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
SHAPEFIDELITY, INC.       GS-00F-284GA 2562137841 HUNTSVILLE ,AL s/w/wo
SEVATEC INC. GS-10F-0142W 571-766-1300 VIENNA ,VA o
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-193CA 703.263.6000 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 FREDERICKSBURG ,VA s/dv
SDS INTERNATIONAL, INC. GS-00F-0077M 540-424-5926 FREDERICKSBURG ,VA 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 301-867-6316 LANHAM ,MD s
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION GS-00F-002CA 703-676-8723 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
SCHAFER GOVERNMENT SERVICES, LLC 47QRAA19D0021 7577636612 ARLINGTON ,VA o
SCAVET TECHNOLOGIES LLC GS-10F-087BA 856-218-9496 BLACKWOOD ,NJ s/dv
SAYRES AND ASSOCIATES CORPORATION GS-00F-027CA (202)355-0922 WASHINGTON ,DC o  
SAWDEY SOLUTION SERVICES, INC. 47QRAA18D00AL 9374904071 BEAVERCREEK ,OH o
SAVIT CORPORATION 47QRAA21D006Z 973-602-3829 ROCKAWAY ,NJ 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
S5 SOLUTIONS, INC. 47QRAA19D00CT (425)232-6277 MUKILTEO ,WA s  
S2 ANALYTICAL SOLUTIONS, LLC 47QRAA19D006L 571-306-0715 HERNDON ,VA s/v
ROUNDTABLE DEFENSE, LLC GS-10F-0231Y (540)379-6707 FREDERICKSBURG ,VA s/dv  
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 9702149419 FORT COLLINS ,CO o
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 805-882-1884 X110 GOLETA ,CA s
RESPEC COMPANY, LLC GS-00F-0078N (605) 394-6400 RAPID CITY ,SD o
RESEARCH TRIANGLE INSTITUTE GS-00F-354CA 919-541-6543 RESEARCH TRIANGLE P ,NC o
REED ENTERPRISE CONSULTING LLC       47QRAA18D00EP 2566040975 HUNTSVILLE ,AL s/dv/h
REDHORSE CORPORATION       GS-00F-0013Y 619-241-4609 SAN DIEGO ,CA o
REDHORSE CORPORATION GS-07F-134GA 619-241-4609 SAN DIEGO ,CA s/dv/d/8a
RED GATE GROUP, LIMITED, THE GS-10F-0262X (703)214-2824 CHANTILLY ,VA s/dv  
RED CANYON SOFTWARE, INC       GS-00F-044GA (303)864-0556 DENVER ,CO s/dv/h  
RAYTHEON COMPANY GS-00F-177CA (520) 302-7772 WALTHAM ,MA o
RAYTHEON COMPANY GS-35F-204GA 520-302-7772 WALTHAM ,MA o
RADIANTBLUE TECHNOLOGIES, INC. GS-10F-0046V 571-521-8840 COLORADO SPRINGS ,CO o
RADIANCE TECHNOLOGIES, INC.       47QRAA19D008B 256-489-8960 HUNTSVILLE ,AL s
RADIAL SOLUTIONS INC 47QRAA21D008F (256)305-2810 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       GS-00F-106GA (202)863-4431 WASHINGTON ,DC s/w/wo/h  
QUANTUM RESEARCH INTERNATIONAL, INC. 47QRAA19D00A9 256-971-1800, X145 HUNTSVILLE ,AL s
QUANTITECH INC GS-23F-0320N 256-652-7025 HUNTSVILLE ,AL o
QUANTITATIVE SCIENTIFIC SOLUTIONS, LLC 47QRAA19D004D 703-468-1277 ARLINGTON ,VA 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/d
QTEC, INC GS-23F-0255M 256 8837994 X 101 HUNTSVILLE ,AL s/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 8653932017 KNOXVILLE ,TN s/dv
PROSOURCE CONSULTING, L.L.C. GS-10F-0123T (703)754-7400 GAINESVILLE ,VA s/w/wo/d  
PROMODEL CORPORATION GS-00F-421GA 860-608-5389 OREM ,UT s
PROJECT SUPPORT SERVICES, INC. GS-00F-108CA 352-288-0216 SUMMERFIELD ,FL o
PROJECT ENHANCEMENT CORPORATION       GS-00F-0004T 240-686-3059 GERMANTOWN ,MD s
PROFESSIONAL, ACQUISITION, AND TECHNICAL SERVICES, INC. GS-23F-0277L 703-416-1304 FALLS CHURCH ,VA s/v
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  
PRKK, L.L.C. 47QRAA18D006N 3032463377 STUART ,FL s
PRIMETECH INTERNATIONAL, INC. 47QRAA18D00CY 816-759-0431 NORTH KANSAS CITY ,MO s/w/wo/d/8a
PRETALEN LTD       GS-00F-229GA (513)739-5347 DAYTON ,OH s/w/wo/d  
PRESCIENT EDGE CORPORATION 47QRAA18D00CU 202-557-1589 MC LEAN ,VA s/v
PREFERRED PROGRAM SOLUTIONS INC 47QRAA18D009S 256-350-5983 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
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MILVIAN SOLUTIONS, LLC       47QRAA18D008C (915)892-4585 EL PASO ,TX s/dv/d  
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GLOBAL C2 INTEGRATION TECHNOLOGIES LLC 47QRAA18D0067 (202) 234-8933 LAS VEGAS ,NV s/dv
GLEASON RESEARCH ASSOCIATES INCORPORATED       GS-23F-0253M 2568837000 HUNTSVILLE ,AL s
GILBANE BUILDING COMPANY GS-23F-0024R 5712532994 PROVIDENCE ,RI o
GET IT DONE (GID) SOLUTIONS LLC GS-00F-282GA (540)455-7204 BUTLER ,TN s/dv  
GEORGIA TECH APPLIED RESEARCH CORPORATION       GS-10F-0187T 404-894-6923 ATLANTA ,GA o
GEORGE CONSULTING, LTD.       GS-00F-384GA 843-471-1322 DANIEL ISLAND ,SC s
GEOGRAPHIC INFORMATION SERVICES, INC. 47QRAA19D00BD 2057255836 BIRMINGHAM ,AL o
GEOENGINEERS, INC. 47QRAA18D00E3 425.861.6000 REDMOND ,WA o
GEOCONTROL SYSTEMS, INC. GS-00F-115GA (713)649-8481 HOUSTON ,TX s/w/wo/ew/d/h  
GEOCENT, L.L.C. 47QRAA18D008N 504-831-1900 METAIRIE ,LA s
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 7036505119 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. GS-00F-0001R 305.447.1344 MIAMI ,FL s/w/wo/ew/d
GEBC, LLC 47QRAA20D0057 703-895-6114 HUNTSVILLE ,AL s/dv
GDS ASSOCIATES, INC.       47QRAA22D0008 608-354-0197 MARIETTA ,GA s
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- 277-9506 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 703-225-7660 DULLES ,VA s
FREEDOM TECHNOLOGIES INC GS-00F-013CA 703-516-3023 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  
FOXHOLE TECHNOLOGY, INC. GS-00F-035GA (703) 291-8354 FAIRFAX ,VA s/dv
FLUOR FEDERAL SERVICES, INC. 47QSHA22D0008 (509)373-0012 GREENVILLE ,SC o    
FIVE STONES RESEARCH CORPORATION GS-10F-0446X 2569750848 HUNTSVILLE ,AL s/w/wo/ew/d/8a
FIRST LINE DEFENSE, LLC       47QRAA20D003B 703-677-6491 QUANTICO ,VA s/v/h
FIRE & RISK ALLIANCE, LLC 47QRAA18D00CT (937)505-3031 CHICAGO ,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/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
EXCET, INC. GS-00F-004BA 703-919-0953 SPRINGFIELD ,VA s
EXCELLENCE ENGINEERING, LLC GS-00F-403GA (918)298-5500 TULSA ,OK s/w/wo/d/h  
EVA GARLAND CONSULTING, LLC       47QRAA20D000Q 919-825-1600 RALEIGH ,NC s/w/wo
ESCIENCE AND TECHNOLOGY SOLUTIONS, INCORPORATED GS-00F-124GA 301-429-0005 LANDOVER ,MD s/d/8a
EPSILON SYSTEMS SOLUTIONS, INC. 47QRAA21D005F 619-702-1700 SAN DIEGO ,CA o
EPSILON SYSTEMS SOLUTIONS, INC. GS-00F-0035N 619-702-1700 SAN DIEGO ,CA o
ENTERPRISE RESOURCE PLANNING INTERNATIONAL, LLC 47QRAA19D009W 3014900080 LAUREL ,MD o
ENTERPRISE INFORMATION SERVICES, LLC GS-00F-182CA 7037525527 VIENNA ,VA o
ENRGIES, INC GS-10F-0136T (256)337-5519 HUNTSVILLE ,AL s/dv  
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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.       GS-23F-0110M 3018810866 ROCKVILLE ,MD s
EMERGENT SPACE TECHNOLOGIES, INC. GS-00F-196DA 301-345-1535 LAUREL ,MD s
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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
E3 FEDERAL SOLUTIONS, LLC GS-00F-151CA 571-551-2726 MCLEAN ,VA o
DYNETICS, INC. GS-00F-045CA 2567135320 HUNTSVILLE ,AL o
DYNAMIS, INC. GS-00F-115DA 703-465-4400 FAIRFAX ,VA o
DYNAMIC-PRO INC. GS-10F-0329X 703-665-5085 FALLS CHURCH ,VA s/w/wo/ew/d/8a
DYNAMIC CONCEPTS, INC.       GS-10F-0006U 2569229888 HUNTSVILLE ,AL s
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
DOMAIN X TECHNOLOGIES LLC 47QRAA18D0069 (703)579-1969 FALLS CHURCH ,VA s/w/wo    
DMR CONSULTING, INC. 47QRAA18D00H2 850-230-3767 PANAMA CITY BEACH ,FL s/w/wo/d
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DIGITALGLOBE, INC.       47QRAA19D002V 303-684-4000 WESTMINSTER ,CO o
DIGITAL MOBILIZATIONS, INC.       47QRAA19D00BP (540)219-9222 WARRENTON ,VA s/d    
DIGIFLIGHT INCORPORATED GS-00F-195GA (410) 312-0662 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 931-461-9032 COLORADO SPRINGS ,CO s/dv
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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 703-955-4186 ARLINGTON ,VA s
DEFENSE ENTERPRISE SOLUTIONS, LLC GS-00F-243GA 2564266335 HUNTSVILLE ,AL s/dv
DEFENSE ARCHITECTURE SYSTEMS, INC. GS-00F-291GA 443-831-3055 FULTON ,MD s
DECISIVE ANALYTICS CORPORATION GS-00F-129CA 7034145016 ARLINGTON ,VA o
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 5712276226 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 (815)979-4407 CHICAGO ,IL s/d/8a/h    
D&G SUPPORT SERVICES, LLC GS-00F-131DA 7034033463 WOODBRIDGE ,VA s/w/wo/ew/dv/d
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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
CROWN CONSULTING, INC. GS-00F-038DA 703-650-0663 ARLINGTON ,VA o
CROSSTEK SOLUTIONS, LLC GS-00F-230GA 334-467-6860 VICKSBURG ,MS s
CROSSFLOW TECHNOLOGIES, INC 47QRAA18D008D 2564253680 ALBERTVILLE ,AL s
CREDENCE MANAGEMENT SOLUTIONS LIMITED LIABILITY COMPANY GS-10F-0432Y 571-395-8820 VIENNA ,VA s/d/8a
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CRAFT DESIGNS, INC.       47QRAA18D00A3 2566500536 HUNTSVILLE ,AL s/w/wo/d
CORTINA SOLUTIONS, LLC GS-00F-205DA 256-319-2024 HUNTSVILLE ,AL s/w/wo/ew/h
CORPORATE ALLOCATION SVCS, INC. GS-10F-0311U 303-920-7264 WESTMINSTER ,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-CAD SOLUTIONS, INCORPORATED 47QRAA19D000X (630)908-3400 WILLOWBROOK ,IL s/d    
CONCURRENT TECHNOLOGIES CORPORATION 47QRAA21D0021 814-269-2871 JOHNSTOWN ,PA o
COMPUTERCRAFT CORPORATION GS-00F-262GA 571-266-3362 WASHINGTON ,DC s/w/wo
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 X1 ALEXANDRIA ,VA s
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
CLIENT SOLUTION ARCHITECTS LLC GS-10F-0051T 619-813-2906 MECHANICSBURG ,PA o
CITRINE LLC 47QRAA19D008Z 303-330-5385 DENVER ,CO s/h
CINTEL, INC. GS-00F-268GA 256-213-1600 EXT. 10 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) 227-4882 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 TECHNOLOGIES, L.L.C. 47QRAA18D003E (727) 303-3001 CLEARWATER ,FL s/dv/d
CEPEDA SYSTEMS & SOFTWARE ANALYSIS, INC.       GS-00F-224GA (256) 428-8186 HUNTSVILLE ,AL s/w/wo/ew/d/h
CENTURUM INFORMATION TECHNOLOGY, INC. 47QRAA19D00AM 843-609-5649 MARLTON ,NJ o
CENTAURI, LLC GS-23F-0076M (703)674-1265 CHANTILLY ,VA s/v  
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/d  
CARDNO GS, INC. GS-00F-196CA 9165487783 CHARLOTTESVILLE ,VA o
CAPABILITY ANALYSIS & MEASUREMENT ORGANIZATION LLC 47QRAA20D0048 937-458-3719; X412 BEAVERCREEK ,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/h
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
BURNS ENGINEERING, INC. 47QRAA19D00AF 2156087846 PHILADELPHIA ,PA o
BUILDING PEOPLE, LLC, THE GS-00F-237GA (703) 669.2222 LEESBURG ,VA s/d/8a/h
BTAS INC       47QRAA20D006J 937931-9431 BEAVERCREEK ,OH s/w/wo
BRYCE SPACE AND TECHNOLOGY, LLC 47QRAA18D00AN 7036472742 ALEXANDRIA ,VA s/w/wo
BRMI CONSULTING, INC. GS-35F-0490W 443-418-6674 SILVER SPRING ,MD o
BRILLIGENT SOLUTIONS, INC. 47QRAA18D0062 (937)879-4148 FAIRBORN ,OH s  
BRETT LLC 47QRAA21D00A6 (301)913-5000 BRISTOW ,VA s/dv/d    
BRATSLAVSKY CONSULTING ENGINEERS, INC. GS-00F-071CA 9072807619 ANCHORAGE ,AK s
BRADSHAW ENGINEERING AND TECHNICAL SERVICES, LLC GS-00F-183DA 256-603-6471 HUNTSVILLE ,AL s
BOUNDS ASSOCIATES, LLC GS-10F-115CA 7033450608 ALEXANDRIA ,VA s/dv
BOSTON GOVERNMENT SERVICES, LLC GS-00F-013GA (202)262-8098 LENOIR CITY ,TN s/d/8a
BOSTON CONSULTING GROUP, INC., THE 47QRAA21D00AU 301-771-2350 BETHESDA ,MD o
BOOZ ALLEN HAMILTON INC.       GS-00F-008DA 703-377-4359 MCLEAN ,VA o
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BOEING AEROSPACE OPERATIONS, INC. 47QRAA20D0079 314-563-7049 SAINT LOUIS ,MO o
BMT DESIGNERS & PLANNERS, INC. GS-00F-337CA 703-920-7070 ARLINGTON ,VA o
BLUEWATER FEDERAL SOLUTIONS, INC.       47QRAA20D001S 703-371-7914 CHANTILLY ,VA o
BLUE SKY INNOVATORS INC. 47QRAA20D001N 571-261-6385 FAIRFAX ,VA s
BLACK DIAMOND CONSULTING CORPORATION GS-00F-292GA 703-434-1886 ASHBURN ,VA s/d
BINERA, INC. GS-00F-048CA 757-867-8538 YORKTOWN ,VA s/w/wo/ew
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 9196365185 RALEIGH ,NC s/w/wo/ew/v/d/8a
BEACON SYSTEMS, INC 47QRAA18D0091 954-426-1171 CORAL SPRINGS ,FL s/w/wo/ew/d
BCS, LLC GS-00F-269CA 410-997-7778 WASHINGTON ,DC s
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BAYFIRST SOLUTIONS LLC GS-10F-0356Y 202-541-1010 WASHINGTON ,DC s/d
BATTELLE MEMORIAL INSTITUTE GS-00F-084CA 614-424-3522 COLUMBUS ,OH o
BASTION TECHNOLOGIES, INC. 47QRAA19D007C 281-283-9359 HOUSTON ,TX s/d
BASTION TECHNOLOGIES, INC. GS-00F-0040P 281-283-9359 HOUSTON ,TX o
BARBARICUM LLC GS-00F-206CA (202) 393-0873 WASHINGTON ,DC o
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BANDWIDTH SOLUTIONS INC
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BAE SYSTEMS TECHNOLOGY SOLUTIONS & SERVICES INC. GS-00F-240CA 301-738-5979 ROCKVILLE ,MD o
BACIK GROUP LLC GS-00F-017CA 205-358-9851 PELHAM ,AL s/dv
B3H CORPORATION 47QRAA18D0025 (850) 651-3443 SHALIMAR ,FL s/dv
B3GLOBALCON, LLC       GS-00F-226GA (804)519-9808 MIDLOTHIAN ,VA s/dv/d  
AZIMUTH CORPORATION GS-10F-0352R 937-256-8571 BEAVERCREEK ,OH o
AVNIK DEFENSE SOLUTIONS INC GS-10F-219AA 256-513-5295 HUNTSVILLE ,AL s/w/wo
AVION SOLUTIONS, INC.
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AVIATION & MISSILE SOLUTIONS, LLC GS-23F-0017P 256-713-5903 HUNTSVILLE ,AL o
AVIAN, INC. 47QRAA18D006L 301-866-2070 EXT. #1 LEXINGTON PARK ,MD s/dv
AVALON BUSINESS ENGINEERING SERVICES, LLC 47QRAA20D003E 801 668-5823 CLEARFIELD ,UT s/w/wo/ew/dv/d/8a
AUGUR CONSULTING INC       47QRAA19D003S 7038285295 ARLINGTON ,VA s/dv
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ASR INTERNATIONAL CORP. GS-00F-283CA 6312311086 HAUPPAUGE ,NY s/d
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APPLIED RESEARCH SOLUTIONS, INC GS-00F-135GA 937-912-6100 BEAVERCREEK ,OH s
APPLIED INSIGHT, LLC GS-00F-145GA 703-554-1650 TYSONS ,VA o
APOGEE SOLUTIONS, INC. 47QRAA18D009D 757-549-2645 CHESAPEAKE ,VA s/w/wo
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ANDREWS CONSULTING SERVICES LLC       47QRAA20D004A 7193227041 BEALETON ,VA s/w/wo
ANALYTICAL SERVICES, INC.       GS-00F-020DA 703-478-2650 HUNTSVILLE ,AL s/d
ANALYTICAL SERVICES & MATERIALS, INC. 47QRAA21D001S 757-224-6751 HAMPTON ,VA s/w/wo
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ANALYTIC SERVICES INC. GS-00F-095CA 7034161304 FALLS CHURCH ,VA o
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ANALYGENCE, INC. 47QRAA20D005D 301-830-6092 COLUMBIA ,MD s/dv/d/8a
AMERICAN SYSTEMS CORPORATION GS-35F-500CA 7039685225 CHANTILLY ,VA o
AMENTUM TECHNICAL SERVICES LLC 47QRAA20D006B 803-530-1330 AIKEN ,SC o
AMENTUM SERVICES, INC. GS-00F-046CA 301-944-3224 GERMANTOWN ,MD o
AMEE BAY, LLC GS-10F-0255V 843-414-4141 ANCHORAGE ,AK s/d/8a
ALTUS, LLC GS-10F-0155V (410) 457-8115 DARLINGTON ,MD s
ALTAMIRA TECHNOLOGIES CORPORATION 47QRAA19D0027 703-813-2184 MCLEAN ,VA s
ALPHASIX CORPORATION 47QRAA19D00B6 703-579-6479 DULLES ,VA o
ALPHA CONSTRUCTION AND ENGINEERING CORPORATION GS-23F-0209N 703-450-0800 DULLES ,VA o
ALPHA BETA TECHNOLOGIES, INC. GS-23F-0109S 256-679-7950 HUNTSVILLE ,AL s/dv
ALLUVIONIC INC. 47QRAA20D003F 5012594288 MELBOURNE ,FL s/w/wo/ew/d/8a
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ALION SCIENCE AND TECHNOLOGY CORPORATION GS-00F-064CA (757) 802-0293 BURR RIDGE ,IL o
ALEXANDRIA INSIGHTS, INC 47QRAA18D003M 7032820121 STAFFORD ,VA s/dv
ALEX - ALTERNATIVE EXPERTS, LLC 47QRAA18D003Y 703-547-1665 MARSHALL ,VA s/w/wo/ew/d/8a
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 (478)225-9119 WARNER ROBINS ,GA s  
AI SIGNAL RESEARCH, INC. GS-10F-0254T 256-551-0008 X39 HUNTSVILLE ,AL s/w
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ABACUS TECHNOLOGY CORPORATION GS-00F-191CA 301-215-7593 CHEVY CHASE ,MD o
AASKI TECHNOLOGY INC       GS-10F-060AA 732-493-1700 ABERDEEN ,MD o
A2 SYSTEMS ENGINEERING, INC. GS-10F-0316X 31046966606 EL SEGUNDO ,CA s/v
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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 (936)441-3043 CONROE ,TX s