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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
541420 Engineering System Design and Integration Services Services include creating and developing designs and specifications that optimize the use, value, and appearance of their products. These services can include determination of the materials, construction, mechanisms, shape, color, and surface finishes of the product, taking into consideration human characteristics and needs, safety, market appeal, and efficiency in production, distribution, use, and maintenance.

Associated tasks include, but are not limited to computer-aided design, e.g. CADD, risk reduction strategies and recommendations to mitigate identified risk conditions, fire modeling, performance-based design reviews, high level detailed specification and scope preparation, configuration, management and document control, fabrication, assembly and simulation, modeling, training, consulting, analysis of single or multi spacecraft missions and mission design analysis.

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.

An implementation guide for Space launch Integration Services (SLIS) can be found at www.gsa.gov/psschedule - click on "Professional Engineering Solutions".
580 contractors

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ZARTEK SOLUTIONS LLC 47QTCA21D0081 703-930-8894 LEESBURG ,VA s/w/wo/8a/h
ZANTECH IT SERVICES, INC. 47QRAA19D004L 7032861393 VIENNA ,VA s/w/wo/d
YORKTOWN SYSTEMS GROUP INC 47QRAA19D0030 877-406-0262 HUNTSVILLE ,AL o
YETISPACE INC 47QRAA19D001W 256-682-7645 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
XCEL ENGINEERING, INC. 47QRAA22D00D0 865-766-8543 OAK RIDGE ,TN s/dv
WSP USA SOLUTIONS INC 47QRAA18D002R 202-303-2613 WASHINGTON ,DC o
WSP USA ENVIRONMENT & INFRASTRUCTURE 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
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
W R SYSTEMS LTD. GS-00F-317GA 703-934-0200 FAIRFAX ,VA o
VT AEPCO INC. 47QRAA23D001W 757-463-2800 VIRGINIA BEACH ,VA o
VSE CORPORATION GS-00F-147CA 703-329-4724 ALEXANDRIA ,VA o
VSE CORPORATION GS-00F-213CA 703-329-4724 ALEXANDRIA ,VA o
VORTEX SYSTEMS LLC 47QRAA22D00BN 860-749-7259 ENFIELD ,CT s/v
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
VERSAR NATIONAL SECURITY SOLUTIONS LLC GS-10F-0356Y 202-541-1010 WASHINGTON ,DC o
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/ai
VENTURI, LLC GS-00F-044CA 2567052019 HUNTSVILLE ,AL s/d/an
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
VANASSE HANGEN BRUSTLIN INC GS-00F-116CA 804-441-7439 WILLIAMSBURG ,VA o
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 4357133203 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
UNIVERSAL TECHNICAL RESOURCE SERVICES INC       47QRAA19D009N 6094056989 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
TYTO GOVERNMENT SOLUTIONS INC GS-00F-350CA 7033429859 HERNDON ,VA o
TURNER & TOWNSEND HEERY, LLC 47QRAA19D00AP (404)946-2432 ATLANTA ,GA o
TURNAROUND FACTOR, INC.       47QRAA22D00BG 8044042629 ASHLAND ,VA s/dv
TUBA GROUP, INC. GS-00F-222CA 7034179410 VIENNA ,VA s/d
TSM CORPORATION GS-00F-284CA 407-443-4709 RESTON ,VA o
TRUSTED STRATEGIC SOLUTIONS LLC 47QRAA23D002A 916-778-7402 ROSEVILLE ,CA s/d
TROY 7, INC. GS-00F-202GA 256-799-7706 HUNTSVILLE ,AL s/d/an
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
TRIDEUM CORPORATION 47QRAA23D006V 256-704-6112 HUNTSVILLE ,AL s
TRIDENTIS LLC 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 510-835-7254 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
TOTAL SOLUTIONS INC GS-23F-0253R 256-705-0128 MADISON ,AL s/w/wo/d
TORCH TECHNOLOGIES INC 47QRAA23D007A (256) 319-7422 HUNTSVILLE ,AL s
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
THOMPSON & YOUNGROSS ENGINEERING CONSULTANTS LLC 47QRAA22D00DM (561)900-2447 BOCA RATON ,FL s    
THE UNIVERSITY OF CENTRAL FLORIDA BOARD OF TRUSTEES GS-00F-413GA 407-882-1168 ORLANDO ,FL o
THE MIL CORPORATION GS-35F-443GA 301-866-2006 BOWIE ,MD o
THE MCHENRY MANAGEMENT GROUP INC GS-10F-0239U (757)410-0233 CHESAPEAKE ,VA s/v  
THE LOCKWOOD GROUP LLC GS-00F-349GA 240-285-5480 BELCAMP ,MD s/dv
THE KULJIAN CORPORATION 47QRAA21D002G 2156946464 BRISTOL ,PA s
THE KENIFIC GROUP INC 47QRAA19D00C7 571-636-4002 LEESBURG ,VA s
THE GREENTREE GROUP, INC. GS-00F-180CA 937-490-5512 BEAVERCREEK ,OH s
THE GREENTREE GROUP, INC. GS-35F-396DA 937-490-5512 BEAVERCREEK ,OH s
THE EQUITY TECHNOLOGY GROUP INCORPORATED 47QRAA21D004W 2162839519 SHAKER HEIGHTS ,OH o
THE COLUMBIA GROUP INC GS-00F-201CA 2026088415 WASHINGTON ,DC s
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, INC. 47QRAA20D001Y (301)741-2711 GREENBELT ,MD s/d/8a/8aS    
TELEDYNE BROWN ENGINEERING, INC. GS-00F-155CA 2567261211 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
TECHSOURCE INC GS-00F-003DA 5054126251 LOS ALAMOS ,NM s
TECHNOLOGY SERVICE CORP GS-23F-0240S 301-576-2372 ARLINGTON ,VA o
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 2567216639 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 PLANNING AND ANALYSIS, INC. GS-00F-186CA 703-399-7017 ALEXANDRIA ,VA o
SYSTEMS KINETICS INTEGRATION INC. 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 256-895-7189 HUNTSVILLE ,AL s/w/wo
SYNEREN TECHNOLOGIES CORPORATION 47QTCA19D007L 3018300529 VIENNA ,VA s/w/wo/d
SYMVIONICS, INC. GS-23F-0357N 626-305-1400 X 228 ARCADIA ,CA s
SUMMIT TECHNICAL SOLUTIONS LLC GS-10F-0347T 7194760715 COLORADO SPRINGS ,CO s/w/wo/v
STUDDIFORD TECHNICAL SOLUTIONS LLC 47QRAA20D006Y (203)206-0533 ALEXANDRIA ,VA s  
STS INTERNATIONAL, INCORPORATED       47QRAA19D00C9 703-575-5180 BERKELEY SPRINGS ,WV o
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 BUSINESS GROUP LLC GS-10F-0316P 7037175620 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/8a/an/8aS
STEMBOARD, LLC 47QRAA20D0039 734.657.2790 ARLINGTON ,VA s/w/wo/ew/d/8a
STELLAR SOLUTIONS INC 47QRAA18D00FQ 703-657-2734 LOS ALTOS ,CA s/w/wo
STARGATES, INC. GS-00F-0033Y 703-465-7955 ARLINGTON ,VA s
STANTEC GS INC. GS-00F-196CA 9165487783 CHARLOTTESVILLE ,VA o
STANTEC CONSULTING SERVICES INC. 47QRAA19D000Q (212) 330-6261 DENVER ,CO o
SRC INC 47QRAA19D005N 3154528165 SYRACUSE ,NY o
SPECTRUM COMM INC. GS-00F-318CA 757-224-7500 NEWPORT NEWS ,VA o
SPECIAL AEROSPACE SERVICES, LLC GS-10F-0456X 303-625-1010 BOULDER ,CO s/w/wo/ew/d
SPACEFLIGHT, INC. GS-00F-036DA 866-342-9934 BELLEVUE ,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-093CA 703-475-1757 RESTON ,VA o
SONALYSTS INC       GS-00F-351CA 860-326-3652 WATERFORD ,CT o
SOL ENGINEERING SERVICES, LLC GS-00F-223GA 601-961-1415 JACKSON ,MS s/d/h
SOBRAN, INC. GS-00F-220CA 703-352-9511 BEAVERCREEK ,OH o
SKJEI TELECOM, INC. GS-23F-0286P 703-249-9260 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/8aS
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    
SIGMA SCIENCE INC 47QRAA18D005Q 505-389-2004 ALBUQUERQUE ,NM s/d/8a
SHARMA & ASSOCIATES INC       GS-10F-0027T 708-588-9871 HINSDALE ,IL s/d
SEVATEC LLC GS-10F-0142W 571-423-0200 RESTON ,VA o
SEV1TECH LLC       GS-10F-0008V 7036629778 WOODBRIDGE ,VA o
SEV1TECH LLC 47QRAA18D008N 504-831-1900 WOODBRIDGE ,VA o
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 703-414-5016 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
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    
SDS INTERNATIONAL, INC.       47QRAA21D004U 540-424-5926 ROCKLEDGE ,FL s/dv
SCITECH SERVICES INC GS-02F-0259X 443-303-3642 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 APPLICATIONS INTERNATIONAL CORPORATION GS-00F-002CA 703-981-7244 RESTON ,VA o
SCIENCE AND TECHNOLOGY ASSOCIATES, INC.       47QRAA19D0082 703-522-5123 ARLINGTON ,VA s
SCIENCE & TECHNOLOGY CORPORATION 47QRAA21D0061 757-766-5819 HAMPTON ,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
SAGE SERVICES GROUP LLC 47QREA21D0008 240-380-3504 BOWIE ,MD s/w/wo/ew
SABRE SYSTEMS INC GS-35F-366BA 215-347-1458 WARMINSTER ,PA o
SA TECHNICAL SERVICES, INC. 47QRAA19D00BL 850-613-6085 NICEVILLE ,FL s/dv
S2 ANALYTICAL SOLUTIONS, LLC 47QRAA19D006L 571- 497-5692 HERNDON ,VA s/v
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 LOVELAND ,CO s
RIVERSIDE RESEARCH INSTITUTE 47QRAA19D00CN 703-908-2172 NEW YORK ,NY o
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 9195416624 RESEARCH TRIANGLE P ,NC o
RELIANT TECHNOLOGIES INC       47QRAA22D004V 256-426-8056 HUNTSVILLE ,AL s/v
REDHORSE CORPORATION       GS-00F-0013Y 619-241-4609 ARLINGTON ,VA o
REDHORSE CORPORATION GS-07F-134GA (619) 241-4609 ARLINGTON ,VA o
RED CANYON SOFTWARE, INC.       GS-00F-044GA (303)864-0556 DENVER ,CO s/dv/h  
REAL-TIME 2 LLC 47QTCA21D000T (571)289-8816 ALEXANDRIA ,VA s/dv/d  
RDM ENGINEERING LLC       47QRAA22D0017 202.246.5149 OAK RIDGE ,NJ s
RAYTHEON COMPANY GS-35F-204GA 813-629-5106 WALTHAM ,MA o
RAPID OFFSET TECHNOLOGIES, LLC 47QRAA23D007G 5136789455 TOANO ,VA s/dv/d
RADIANCE TECHNOLOGIES INC       47QRAA19D008B 256-489-8960 HUNTSVILLE ,AL s
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.L. CONSULTING, INC. 47QRAA20D007F (412)404-6235 MUSCLE SHOALS ,AL s/w/wo  
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
QUANTERION SOLUTIONS INC 47QRAA22D0047 315-732-0097 UTICA ,NY s
QUALITY INNOVATION, INC. 47QRAA18D000E 703-382-6207 AUSTIN ,TX s/dv/h
QTEC, INC.       47QRAA22D00D4 256-883-7994 HUNTSVILLE ,AL s/w/wo
QED SYSTEMS, INC. GS-00F-059CA 757-490-5021 VIRGINIA BEACH ,VA o
PURVIS SYSTEMS INC GS-10F-0191X (401)849-4750 QUEENS VILLAGE ,NY s  
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
PROFESSIONAL PROJECT SERVICES, INC. GS-00F-112CA 865.220.4377 OAK RIDGE ,TN s
PROFESSIONAL ACQUISITION & TECHNICAL SERVICES INC 47QTCA18D007W 703-416-1304 FALLS CHURCH ,VA o
PRODUCTIVITY APEX, INC. GS-10F-0266U (407)222-1256 WINTER PARK ,FL s/w/wo/d  
PRKK LLC 47QRAA18D006N 303-246-3377 STUART ,FL s
PRESCIENT EDGE CORPORATION 47QRAA18D00CU (917)330-3069 MC LEAN ,VA o  
PREFERRED PROGRAM SOLUTIONS INC 47QRAA18D009S 256-350-5983 MADISON ,AL s/dv
PPT SOLUTIONS INC GS-00F-422GA 256-319-0423 HUNTSVILLE ,AL s
POWER & CONTROL ENGINEERING SOLUTIONS, LLC       47QRAA23D001Q 918-307-7680 TULSA ,OK s
POOLE FIRE PROTECTION, INC. 47QSWA19D007M 913-829-8650 OLATHE ,KS s/w/wo
POLARIS SENSOR TECHNOLOGIES INC GS-00F-198GA 2565620087 HUNTSVILLE ,AL s/w/wo
POINT INNOVATION, INC 47QRAA23D0013 972-315-9207 LEWISVILLE ,TX s
PLANATE MANAGEMENT GROUP LLC GS-23F-058AA 703-585-1079 ALEXANDRIA ,VA s/dv
PINNACLE SOLUTIONS INC GS-00F-0017X 256-489-1565 HUNTSVILLE ,AL o
PHOTON EFLUX, LLC       47QRAA23D0048 (270)300-1716 HUNTSVILLE ,AL s    
PERKINS EASTMAN ARCHITECTS, D.P.C. 47QRAA22D000H 212-353-7305 NEW YORK ,NY o
PERATON AEROSPACE & DEFENSE INC. GS-23F-0207P 256-922-6783 HUNTSVILLE ,AL o
PEOPLETEC, INC.       47QRAA22D00CX 256-319-3937 HUNTSVILLE ,AL s
PD SYSTEMS INC. GS-00F-331CA 703-778-7694 SPRINGFIELD ,VA o
PCI STRATEGIC MANAGEMENT LLC 47QRAA20D002Z (609)433-0934 COLUMBIA ,MD s/v  
PCCI, INC. 47QRAA18D00HE 7033391110 ALEXANDRIA ,VA o
PATRIOTS INTERNATIONAL LLC 47QRAA23D006Y 256-278-9070 ALEXANDRIA ,VA s/dv/d
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/hn
OVERLOOK SYSTEMS TECHNOLOGIES, INC. GS-10F-0100T 7039724368 VIENNA ,VA s
OST INC 47QRAA18D0090 703-462-9700 MC LEAN ,VA o
ONEIDA TOTAL INTEGRATED ENTERPRISES, LLC 47QRAA20D009B 414-257-4200 MILWAUKEE ,WI s/d/to/ai
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
ODYSSEY SYSTEMS CONSULTING GROUP, LTD. GS-10F-0254U 781-809-1604 WAKEFIELD ,MA o
ODYSSEY SPACE RESEARCH, L.L.C. GS-23F-0382P 2814887953 HOUSTON ,TX s/wo
OCH TECHNOLOGIES, LLC 47QRAA19D005Q 7038643479 LEESBURG ,VA s/d/8a/8aS
OASYS, INC. GS-00F-182DA 407-491-1989 HUNTSVILLE ,AL s
OASIS SYSTEMS, LLC 47QRAA18D006F 781-879-1447 BURLINGTON ,MA o
NTT DATA SERVICES FEDERAL GOVERNMENT, LLC       47QRAA19D0069 703-289-8161 HERNDON ,VA o
NTA, INC. GS-10F-0132W 256-327-4103 HUNTSVILLE ,AL s
NOU SYSTEMS INC GS-00F-143DA 256-327-5541 HUNTSVILLE ,AL s/w/wo
NORTHROP GRUMMAN SYSTEMS CORPORATION GS-00F-128CA 703-713-4588 MCLEAN ,VA o
NOETIC STRATEGIES INC 47QRAA18D00H6 2563471560 HUNTSVILLE ,AL s/w/wo/ew/d/h
NOBLIS INC GS-00F-096DA (703) 610-2290 RESTON ,VA o
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 LLC GS-00F-007CA (301) 889-0017 DAVIDSONVILLE ,MD s
NETSEA TECHNOLOGIES, LLC 47QRAA22D00E0 774-571-2191 BEL AIR ,MD s
NETORIAN LIMITED LIABILITY COMPANY GS-35F-266AA 4439003800 ABERDEEN ,MD s
NETCENTRIC TECHNOLOGY, LLC 47QRAA19D00AU 571-418-9792 WALL ,NJ s/d/an
NELSON ENGINEERING CO. GS-00F-324CA 3214491128 MERRITT ISLAND ,FL s
NAVIGATOR INTERNATIONAL LLC GS-00F-393GA 334-348-1550 HUNTSVILLE ,AL o
NAVIGATOR DEVELOPMENT GROUP, INC. 47QRAA21D001X 334-347-7612 ENTERPRISE ,AL s/dv
NAVARRO RESEARCH AND ENGINEERING, INC. 47QRAA23D000P 865-220-9650 OAK RIDGE ,TN s/w/wo
NANORACKS, LLC 47QRAA18D004R 8326327754 WEBSTER ,TX 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
MSI DEFENSE SOLUTIONS LLC GS-30F-015BA 704-660-8348 MOORESVILLE ,NC s
MPR ASSOCIATES, INC. 47QRAA19D0078 703-519-0200 ALEXANDRIA ,VA o
MP SOLUTIONS, LLC GS-00F-088GA 571-445-6320 ALEXANDRIA ,VA s/w/wo/h
MORSECORP, INC 47QRAA18D00A1 617-314-7509 CAMBRIDGE ,MA s
MONTE SANO RESEARCH CORPORATION       47QRAA18D006B 2569372407 HUNTSVILLE ,AL s
MODULUS CONSULTING LLC 47QRAA21D00AQ 415-796-6482 SAN FRANCISCO ,CA s
MODERN TECHNOLOGY SOLUTIONS, INC.       47QRAA20D0036 703-564-3800 ALEXANDRIA ,VA s
MLT SYSTEMS LLC GS-10F-0168W 5403186383 STAFFORD ,VA s/dv
MISSIONFOCUS LLC GS-10F-149AA 703-291-6721 MC LEAN ,VA s
MISSION1ST GROUP INC GS-35F-0199Y (571) 409-7133 ARLINGTON ,VA s/dv
MINO MARINE LLC GS-00F-249GA 504-218-8162 NEW ORLEANS ,LA s
MILLENNIUM CORP 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
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
MET-L-TEC, LLC 47QRAA22D009B (734)847-7004 TEMPERANCE ,MI s    
MELE ASSOCIATES, INC. GS-00F-243CA (240)453-6962 ROCKVILLE ,MD s/v
MCR FEDERAL, LLC GS-00F-123CA 703-399-7735 MCLEAN ,VA o
MCLAUGHLIN RESEARCH CORPORATION       47QRAA21D0093 (401) 849-4010 NEW LONDON ,CT s
MAYVIN, INC. GS-10F-0280Y (703) 750-1794 ALEXANDRIA ,VA o
MAXAR INTELLIGENCE INC       47QRAA19D002V 703-439-4772 WESTMINSTER ,CO o
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
MARTIN/MARTIN, INC. 47QRAA21D009P 303-431-9361 LAKEWOOD ,CO o
MARNANE AGRICULTURAL DRONE TECHNOLOGIES, LLC 47QRAA23D008B 410-703-4298 SALISBURY ,MD s/v/d
MARINE SYSTEMS CORPORATION 47QRAA19D006B 617-542-3345 X1112 BOSTON ,MA s
MARINE DESIGN & OPERATIONS INC GS-23F-0233S 9086869414 COLONIA ,NJ s
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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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LOYAL SOURCE GOVERNMENT SERVICES LLC 47QRAA18D008T 4075913088 ORLANDO ,FL o
LOGYX LLC 47QRAA23D008G (650)270-9805 GILFORD ,NH 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
LMI CONSULTING, LLC       GS-00F-041GA 703-917-7524 TYSONS CORNER ,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
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LEONARDO TECHNOLOGIES, INC.       47QRAA21D000U 7409682222X104 ST CLAIRSVILLE ,OH s
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LEADING SOLUTIONS, LLC 47QTCA22D000V 407-201-5727 KISSIMMEE ,FL s/w/wo/dv
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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
KINETIC METRICS, LLC 47QRAA20D000K 7036476221 ALEXANDRIA ,VA s/d/8a/8aS
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 571-244-4643 HANOVER ,MD o
KENTCO CORPORATION 47QRAA20D000S 571-665-4199 HERNDON ,VA s/dv
KEMSYSTEK, LLC 47QRAA20D0047 (410)740-8706 FALLS CHURCH ,VA s/w/wo/dv/d  
KELLER-BLIESNER ENGINEERING, LLC       47QRAA18D004Q 435-753-5651 LOGAN ,UT s
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KALMAN & COMPANY, INC. GS-00F-343CA 757-461-4292 VIRGINIA BEACH ,VA s/w/wo
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INTERFUZE CORPORATION GS-35F-0013T 2563829715 HUNTSVILLE ,AL s
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HYPERION TECHNOLOGY GROUP INC 47QRAA22D007P 6628230626 TUPELO ,MS s
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HW CONSULTING, INCORPORATED GS-10F-0156U (202)734-0753 WASHINGTON ,DC s/w/wo
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HAMILTON SUNDSTRAND SPACE SYSTEMS INTERNATIONAL, INC. GS-10F-0439X (860)654-4244 HOUSTON ,TX o  
GSD LLC 47QRAA21D0022 7572070809 WILLIAMSBURG ,VA s/v
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GOLDBELT C6, LLC 47QRAA19D00CS (757)550-2121 CHESAPEAKE ,VA s/d/an
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GENESIS ENGINEERING SOLUTIONS INC 47QRAA21D0011 (240)582-2535 LANHAM ,MD s/d    
GENERAL TECHNICAL SERVICES LLC       47QRAA19D006Y 732-979-8870 WALL TOWNSHIP ,NJ s/w/wo
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GENCO SYSTEMS INC GS-23F-0019P 703-234-5261 HERNDON ,VA s/d/ai
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GEMINI INDUSTRIES INC. GS-00F-279CA 781-203-0100 BURLINGTON ,MA s/w/wo
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GEBC LLC 47QRAA20D0057 703-895-6114 HUNTSVILLE ,AL s/dv
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GBL SYSTEMS CORPORATION 47QRAA19D007F 8059874345 CAMARILLO ,CA s
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ENGENIUSMICRO LLC 47QRAA19D004K 2562611260X124 HUNTSVILLE ,AL s/h
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DAMA CONSULTANTS INC 47QRAA19D0037 773-870-1595 CHICAGO ,IL s/d/8a/h/8aS
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D & G SUPPORT SERVICES LLC GS-00F-131DA 7034033463 WOODBRIDGE ,VA s/w/wo/ew/dv/d/8a/8aS
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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 STAPLEFORD 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
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/ai
CONCURRENT TECHNOLOGIES CORP 47QRAA21D0021 814-269-2871 JOHNSTOWN ,PA o
COMPUTERCRAFT CORPORATION GS-00F-262GA 5712663362 WASHINGTON ,DC s/w/wo/ai
COLSA CORP GS-00F-293CA 2569645276 HUNTSVILLE ,AL o
CMT SERVICES, INC. 47QRAA19D008U 301-322-7860 HYATTSVILLE ,MD s/w/wo/h
CITRINE LLC 47QRAA19D008Z 303-330-5385 LAKEWOOD ,CO s/h
CINTEL INC GS-00F-268GA 2564311237 HUNTSVILLE ,AL s
CIMARRON SOFTWARE SERVICES, INC.       47QRAA19D004Y (281)226-5100 HOUSTON ,TX s/w/wo  
CHEROKEE NATION RED WING, L.L.C. GS-00F-007DA 918-430-3407 TULSA ,OK s/d/h/to/ai
CHENEGA TECHNICAL INNOVATIONS, LLC 47QRAA19D0096 703-493-9880 CHANTILLY ,VA o
CGI FEDERAL INC. GS-00F-302CA 703-227-4652 FAIRFAX ,VA o
CGI FEDERAL INC. GS-35F-281DA 7032274652 FAIRFAX ,VA o
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 256-715-6744 HUNTSVILLE ,AL s/w/wo/d/h
CENTURUM INFORMATION TECHNOLOGY INC 47QRAA19D00AM 703-415-9384 MARLTON ,NJ o
CDM FEDERAL PROGRAMS CORPORATION GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CATALYST SOLUTIONS, LLC       GS-00F-412GA (504)623-5458 STAFFORD ,VA s/dv  
CASE MANAGEMENT CONSULTING, LLC 47QTCA21D002Y 703-622-0556 ALEXANDRIA ,VA s/w/wo/d/8a/8aS
CANVAS INC GS-10F-0195Y (256) 489-2988 HUNTSVILLE ,AL s/w/wo
CAMBRIDGE INTERNATIONAL SYSTEMS INC.       47QRAA18D005T 5713198919 ARLINGTON ,VA o
CALIOLA ENGINEERING, LLC       GS-10F-0187X (310)936-6157 COLORADO SPRINGS ,CO s/w/wo  
CACI, INC. - FEDERAL GS-00F-268CA 703-679-3412 CHANTILLY ,VA o
C4 PLANNING SOLUTIONS, LLC 47QRAA18D006V 7065921520 EXT. 143 BLYTHE ,GA o
C2 TECHNOLOGY SOLUTIONS INC GS-35F-272GA 410-794-6792 COLUMBIA ,MD s/d/8a/8aS
C-P SYSTEMS CORPORATION 47QRAA21D0071 6512567473 MAPLEWOOD ,MN s
BURNS ENGINEERING, INC. 47QRAA19D00AF 2156087846 PHILADELPHIA ,PA o
BRYCE SPACE AND TECHNOLOGY, LLC 47QRAA18D00AN (703)647-8078 ALEXANDRIA ,VA s/w/wo    
BRMI CORPORATION GS-35F-0490W 443-418-6674 SILVER SPRING ,MD o
BRILLIGENT SOLUTIONS, LLC 47QRAA18D0062 410-844-4526 FAIRBORN ,OH o
BRATSLAVSKY CONSULTING ENGINEERS, INC. GS-00F-071CA 9072807619 ANCHORAGE ,AK s
BRANCHPATTERN INC 47QRAA21D004X 402-858-2114 LINCOLN ,NE s/d
BRADSHAW ENGINEERING AND TECHNICAL SERVICES, LLC GS-00F-183DA (256) 603-6471 HUNTSVILLE ,AL s
BOSTON GOVERNMENT SERVICES, LLC GS-00F-013GA 202-262-8098 OAK RIDGE ,TN o
BOOZ ALLEN HAMILTON INC       GS-00F-008DA 7033774359 MCLEAN ,VA o
BOHANNAN HUSTON INC GS-00F-0001Y 505-798-7925 ALBUQUERQUE ,NM o
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 5712936554 CHANTILLY ,VA o
BLUEHALO LLC GS-10F-0019U 256-922-0802 HUNTSVILLE ,AL o
BLUE SKY INNOVATORS INC. 47QRAA20D001N 571-261-6385 RESTON ,VA s
BLACKROCK AUTOMATION INC.       47QRAA23D002S (346)231-0332 HOUSTON ,TX s    
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
BEACON SYSTEMS INC 47QRAA18D0091 954-426-1171 CORAL SPRINGS ,FL 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
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
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
AXIENT LLC       47QRAA20D0092 2567990669 ARLINGTON ,VA o
AXIENT LLC 47QTCA20D0088 2567990669 HUNTSVILLE ,AL o
AVNIK DEFENSE SOLUTIONS INC GS-10F-219AA GS-10F-219AA HUNTSVILLE ,AL s/w/wo
AVION SOLUTIONS, INC. 47QRAA22D0091 256-721-7006 HUNTSVILLE ,AL o
AVIATION & MISSILE SOLUTIONS, LLC GS-23F-0017P 256-713-5903 HUNTSVILLE ,AL o
AVIATION & MISSILE SOLUTIONS, LLC       47QRAA23D0099 (256)690-3682 HUNTSVILLE ,AL s    
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
AUTOMATION ZONE INC 47QRAA22D00C2 (419)656-7288 CASTALIA ,OH s    
ATKINSON AERONAUTICS & TECHNOLOGY, INC. 47QRAA18D009W 540-760-7499 FREDERICKSBURG ,VA s/dv
ATKINS NORTH AMERICA, INC. 47QRAA21D002Z 813 281 4430 TAMPA ,FL o
ASR INTERNATIONAL CORP. GS-00F-283CA 6312311086 HAUPPAUGE ,NY s/d
ASCENSION GLOBAL SOLUTIONS LLC 47QRAA19D009Y 781-254-9020 NORTH BILLERICA ,MA s
ASCA, INC.       GS-23F-0049R 3103166249 EXT 105 REDONDO BEACH ,CA s
ART ANDERSON ASSOCIATES INC       GS-10F-0159U 3604795600 BREMERTON ,WA s/v
ARION SYSTEMS INC 47QRAA19D00DS 703-815-1130 X1112 CHANTILLY ,VA s
ARES CORPORATION 47QRAA21D003Z 7037149960 MCLEAN ,VA o
ARCHARITHMS INC GS-00F-175DA (256) 763-8781 HUNTSVILLE ,AL s/h
APSI CONSTRUCTION MANAGEMENT GS-23F-0054S 949-679-0202 IRVINE ,CA s
APPLIED VISUAL TECHNOLOGY INC 47QREA23D0025 4073815311 X192 ORLANDO ,FL 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 703-215-8100 RESTON ,VA o
APPLIED ENGINEERING SERVICES, INC. 47QTCA23D0051 (661)349-6769 RIDGWAY ,CO s    
APOGEE ENGINEERING, LLC GS-10F-0242W 5406568037 COLORADO SPRINGS ,CO s/d/8a
ANDROMEDA SYSTEMS INCORPORATED GS-10F-0300Y 904-402-8652 VIRGINIA BEACH ,VA o
ANALYTICAL SERVICES, INC.       GS-00F-020DA 571-418-9792 HUNTSVILLE ,AL s/d/an
ANALYTICAL MECHANICS ASSOCIATES, INC. 47QRAA21D002Q 256.830.4811 X 112 HAMPTON ,VA s
ANALYTIC SERVICES INC. GS-00F-095CA 7034161304 FALLS CHURCH ,VA o
ANALYGENCE, INC. 47QRAA20D005D 3018306092 FULTON ,MD s/dv/d/8a/8aS
AMERICAN SYSTEMS CORPORATION GS-35F-500CA 7039685068 CHANTILLY ,VA o
AMENTUM TECHNICAL SERVICES LLC 47QRAA20D006B 865-352-6757 AIKEN ,SC o
AMENTUM SERVICES, INC. GS-00F-046CA 301-944-3132 CHANTILLY ,VA o
AMEE BAY, LLC GS-10F-0255V (843)414-4141 ANCHORAGE ,AK s/d/an    
AM PIERCE & ASSOCIATES, INC. 47QRAA22D006D 240-718-3814 CALIFORNIA ,MD s/w/wo
ALTUS, LLC GS-10F-0155V (410) 457-8115 DARLINGTON ,MD s
ALPHASIX, LLC. GS-35F-307AA 703-579-6479 STERLING ,VA o
ALPHASIX, LLC. 47QRAA19D00B6 703-579-6479 STERLING ,VA o
ALPHA CONSTRUCTION AND ENGINEERING CORPORATION 47QRAA23D005W 571-346-1150 STERLING ,VA o
ALLUVIONIC INC. 47QRAA20D003F 321-241-4510 MELBOURNE ,FL s/w/wo/ew/d/8a/8aS
ALLEGIENT DEFENSE, INC GS-35F-244BA 8139909799 ARLINGTON ,VA s/v
ALLEGHENY SCIENCE & TECHNOLOGY CORPORATION GS-10F-053AA 304-319-0044 BRIDGEPORT ,WV s/w/wo
ALABAMA A&M UNIVERSITY RESEARCH, INNOVATION, SCIENCE AND ENGINEERING FOUNDATION, INC., THE 47QRAA19D002C 2563724940 NORMAL ,AL o
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
AERO THERMO TECHNOLOGY, INC 47QRAA18D00BA 2569221141 HUNTSVILLE ,AL s/w/wo
AECOM TECHNICAL SERVICES, INC. GS-00F-188CA 512-630-4479 LOS ANGELES ,CA o
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 TAMPA ,FL o
ACQUIRED DATA SOLUTIONS, INC. GS-00F-228GA 301-984-4193 ROCKVILLE ,MD s
ACE AERONAUTICS, LLC 47QRAA20D006L 256-705-0250 EXT. 12 GUNTERSVILLE ,AL s
ACCURATE MACHINE & TOOL CORP 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 571-982-2225 SPRING ,TX 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
74 WELD, INC. 47QRAA22D00C0 619-286-6656 EL CAJON ,CA s
5-D SYSTEMS, INC. 47QRAA23D009E (512)238-9840 ROUND ROCK ,TX o    
4M RESEARCH, INC. 47QRAA19D0094 2563194646 HUNTSVILLE ,AL s/w/wo
3U TECHNOLOGIES, LLC GS-10F-119AA 301-452-3152 CONROE ,TX s



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