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

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

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ZARI CONSULTING GROUP, INC. GS-00F-320GA (888)600-5226 PETALUMA ,CA s  
ZANTECH IT SERVICES, INC. 47QRAA19D004L 7032861393 TYSONS CORNER ,VA o
YETISPACE, INC. 47QRAA19D001W 2566827645 HUNTSVILLE ,AL s
YANG ENTERPRISES, INC. GS-10F-0135Y 4073657374 OVIEDO ,FL s/w/wo/d
XCEL ENGINEERING, INC. GS-10F-0211P 8657668542 OAK RIDGE ,TN s/dv
X TECHNOLOGIES, INC. 47QRAA18D00EY (210) 822-8712 SAN ANTONIO ,TX s/d
WSP USA INC. 47QRAA19D003Q 217-649-8754 NEW YORK ,NY 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 610-877-6021 BLUE BELL ,PA o
WJAB ENTERPRISES, INC. 47QRAA19D0099 8105161157 BLOOMFIELD HILLS ,MI s/w/wo
WINTEC ARROWMAKER, INC. GS-10F-0009L 3012030774 FORT WASHINGTON ,MD o
WINDMILL INTERNATIONAL, INC. GS-23F-0277L 6038216828 NASHUA ,NH s/v
WILLOWVIEW CONSULTING, LLC GS-10F-0315V 208-250-0211 EAGLE ,ID s/w/wo/d
WILLBROOK SOLUTIONS, INC. GS-10F-0299V 2564895820 EXT 107 HUNTSVILLE ,AL s/w/wo
WHITNEY, BRADLEY & BROWN INC. GS-00F-297CA 7034486081 RESTON ,VA o
WESTWATER ENGINEERING, INC. 47QRAA20D002M (970)241-7076 GRAND JUNCTION ,CO s/w/wo/ew    
WAVELINK, INC. GS-10F-0397Y 256-776-7216 HUNTSVILLE ,AL s/w/wo
WASHINGTON BUSINESS GROUP, INC. GS-00F-321CA (202)863-9637 WASHINGTON ,DC s/d  
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
VICTORY SOLUTIONS, INC. GS-10F-0011U 256-799-2602 HUNTSVILLE ,AL s/w/wo/dv
VETERANS PROFESSIONAL SERVICES, LLC GS-00F-165GA 2408324143 MIDDLETOWN ,MD s/v
VETERAN ENTERPRISE TECHNOLOGY SERVICES, LLC 47QRAA18D00EU 703-349-7600 ASHBURN ,VA s/dv
VERSAR, INC. 47QRAA18D00F7 703-642-6733 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 703-615-1041 ENGLEWOOD ,FL s/w
VAULTES, LLC 47QRAA19D00B1 202-503-9128 ASHBURN ,VA s/v/d
VANA SOLUTIONS LLC       47QRAA18D00E2 937-490-1971 BEAVERCREEK ,OH s/w/wo/ew/d
VALKYRIE ENTERPRISES, LLC 47QRAA18D00DP 7579622545 VIRGINIA BEACH ,VA o
VALI, INC. GS-23F-0037S 2563279304 HUNTSVILLE ,AL s/dv
VALI COOPER INTERNATIONAL, LLC GS-10F-0182Y (985) 789-3430 COVINGTON ,LA s/dv
VAIL NETWORK COMPANY, INC. 47QRAA19D0017 440-729-0514 CHESTERLAND ,OH s
UTAH STATE UNIVERSITY RESEARCH FOUNDATION       GS-23F-0046P 435-713-3060 NORTH LOGAN ,UT o
USFALCON, INC. GS-00F-322GA 919.459.1955 CARY ,NC s/dv
URS GROUP, INC. GS-00F-188CA 210-253-7531 SAN ANTONIO ,TX o
UNIVERSITY OF DAYTON GS-23F-0143R 937-229-2919 DAYTON ,OH o
UNIVERSAL TECHNOLOGY CORPORATION GS-23F-0240L 937-426-2808 DAYTON ,OH s
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) 563-3846 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
UL LLC GS-10F-0426Y 717-459-3391 NORTHBROOK ,IL o
TYVAK NANO-SATELLITE SYSTEMS, INC. 47QRAA18D00DG 949-753-1020 IRVINE ,CA s
TUBA GROUP, INC. GS-00F-222CA 7034179410 FALLS CHURCH ,VA s/d/8a
TSM CORPORATION GS-00F-284CA 4077308617 RESTON ,VA o
TRUSTED KNOWLEDGE OPTIONS INC. 47QRAA18D007U 703-483-0429 CHANTILLY ,VA s/v
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 5712430870 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
TORCH TECHNOLOGIES INC GS-23F-0321N 256-319-6000 HUNTSVILLE ,AL o
TOLLIVER GROUP, INC., THE GS-00F-0013W 256-715-0488 WINTER PARK ,FL s/dv
TM CAPTURE SERVICES, LLC       47QRAA19D001Z 9374262596 BEAVERCREEK ,OH s/w/wo/ew/d/8a
TIGER INNOVATIONS, INC.       GS-00F-139GA (703)435-2980 ARLINGTON ,VA s  
TIAX LLC GS-23F-0064L 781-879-1286 LEXINGTON ,MA s
THORNTON TOMASETTI, INC. GS-23F-0185L 703-608-4414 NEW YORK ,NY o
THOMPSON GRAY, INC. GS-00F-097DA 256-582-1414 HUNTSVILLE ,AL o
TEXAS RESEARCH INSTITUTE, AUSTIN, INC. 47QRAA19D0056 512-263-3272 AUSTIN ,TX s
TESLA LABORATORIES INC. GS-23F-0208S 571.303.9483 ARLINGTON ,VA s/dv/d
TERRACON CONSULTANTS, INC. 47QRAA20D0065 (301)913-5000 OLATHE ,KS o    
TELEDYNE BROWN ENGINEERING, INC. GS-00F-155CA 2567261211 HUNTSVILLE ,AL o
TEKLA RESEARCH, INC. GS-10F-073AA 7034922620 FREDERICKSBURG ,VA s/dv
TECHSOURCE, INC. GS-00F-003DA 5059881726 LOS ALAMOS ,NM s
TECHNOMICS, INC. GS-00F-103DA 571-366-1428 ARLINGTON ,VA s
TECHNOLOGY SERVICE CORPORATION GS-23F-0240S (301)565-0673 ARLINGTON ,VA o  
TECHNOLOGY SECURITY ASSOCIATES, INC. GS-00F-171GA 301-866-0295 X330 CALIFORNIA ,MD s/dv
TECHNOLOGY ASSOCIATES, INC. GS-00F-020GA (504)282-6166 NEW ORLEANS ,LA s/d    
TECHNICAL AND PROJECT ENGINEERING, LLC GS-10F-0026S 703-924-4015 ALEXANDRIA ,VA o
TECHNI-CORE ENGINEERING INC       GS-00F-0036M 2567040234 HUNTSVILLE ,AL s/w/wo
TECHFLOW, INC. GS-10F-005AA 858-412-8000 SAN DIEGO ,CA o
TEC-MASTERS INC. GS-00F-0004X 256-721-6619 HUNTSVILLE ,AL s/d
TEAMWORKNET, INC GS-23F-0182R 8633271080 LAKELAND ,FL s
TAURI GROUP, INC., THE       GS-00F-0006V 571-303-2153 ALEXANDRIA ,VA o
TARGETED APPROACH LLC 47QRAA20D004Z (703)725-8087 ALEXANDRIA ,VA s/dv/d
TALSON SOLUTIONS, LLC 47QRAA20D0025 215-592-9634 EXT 102 PHILADELPHIA ,PA s/d
SYSTEMS TECHNOLOGY FORUM, LTD. GS-00F-148CA 540.899.3536 FREDERICKSBURG ,VA s/v
SYSTEMS TECHNOLOGIES, INC.       GS-00F-0002U 732-571-6400 WEST LONG BRANCH ,NJ s
SYSTEMS PRODUCTS AND SOLUTIONS, INC.       GS-00F-137CA 2563827719 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
SYNTEK TECHNOLOGIES INC. GS-23F-0370K (703)525-3403 FAIRFAX ,VA s/w/wo  
SYNERGY BUSINESS INNOVATION & SOLUTIONS INC. 47QRAA19D0042 571-375-7723 RESTON ,VA s/d/8a
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 717-885-5532 DALLASTOWN ,PA s
SURVICE ENGINEERING COMPANY, LLC, THE       GS-23F-0012M 410-273-7722 BELCAMP ,MD o
SUMMIT TECHNICAL SOLUTIONS LLC GS-10F-0347T (719)309-6312 COLORADO SPRINGS ,CO s/w/wo/v  
SUMMER CONSULTANTS INC GS-10F-0230Y 7035568820 MCLEAN ,VA s
STRATITIA INC. 47QRAA19D006J 210-461-8192 SPRINGFIELD ,VA s
STRATEGIC VENTURES CONSULTING GROUP, LLC GS-00F-071GA 703-634-3673 FALLS CHURCH ,VA s/dv
STRATEGIC TECHNOLOGY INSTITUTE INC GS-00F-164CA 3017707077 ROCKVILLE ,MD s/d
STRATEGIC MANAGEMENT SOLUTIONS, LLC 47QRAA19D008M (505)907-6593 ALBUQUERQUE ,NM s    
STRATEGIC ANALYSIS, INC. GS-00F-342CA (703) 527-5410 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 7032865026 FAIRFAX ,VA s/w/wo/ew/dv
STRATAGEM SOLUTIONS, INCORPORATED 47QRAA20D004V 2569198208 HUNTSVILLE ,AL s/v
STRATA-G SOLUTIONS, LLC GS-10F-0287W 2567054316 HUNTSVILLE ,AL s/d
STRATA G, LLC GS-00F-004CA 8659343400 KNOXVILLE ,TN o
STR CONSULTING       GS-10F-0457X 3122424159 CHICAGO ,IL s
STELLAR SOLUTIONS, INC. 47QRAA18D00FQ 650-473-9866 PALO ALTO ,CA o
STARGATES, INC. GS-00F-0033Y 703-465-7955 ARLINGTON ,VA s/w/wo/ew
STANTON ENGINEERING SERVICES LLC 47QRAA18D0078 410-290-9301 COLUMBIA ,MD s
SSOE, INC. GS-00F-006AA 419-249-2606 TOLEDO ,OH o
SSFM INTERNATIONAL, INC       47QRAA18D00ET 808-531-1308 HONOLULU ,HI s
SRC, INC. 47QRAA19D005N 315-452-8594 NORTH SYRACUSE ,NY o
SRA INTERNATIONAL, INC. GS-00F-256CA 571.446.4017 CHANTILLY ,VA o
SPORIAN MICROSYSTEMS INC       47QRAA18D00BN 303-516-9075 LAFAYETTE ,CO s
SPECTRUM INC 47QRAA18D00F5 865-806-7577 OAK RIDGE ,TN s/v/d
SPECTRUM INC GS-23F-0421K 865-425-9744 OAK RIDGE ,TN s/v/d
SPECTRUM COMM INC. GS-00F-318CA 7572247500 NEWPORT NEWS ,VA s/v
SPECTRUM CENTER GOVERNMENT SERVICES, LLC 47QRAA19D001F 703-752-0462 MCLEAN ,VA s/w/wo
SPECTRA TECH, INC. GS-00F-264CA 865-813-2131 OAK RIDGE ,TN s
SPECIAL AEROSPACE SERVICES GS-10F-0456X 3036251010 BOULDER ,CO s/w/wo/ew/d/8a
SPACE METRICS, INC.       GS-00F-299GA 202-860-0004 WASHINGTON ,DC s/d
SONALYSTS, INC.       GS-00F-351CA 860-326-3652 WATERFORD ,CT o
SOLERS INC. 47QRAA19D001B 7035260001 ARLINGTON ,VA s
SOL ENGINEERING SERVICE LLC GS-00F-223GA 601-961-1415 JACKSON ,MS s/d/h
SOBRAN, INC. GS-00F-220CA 703-352-9511 DAYTON ,OH o
SKJEI TELECOM, INC. GS-23F-0286P 703-917-9882 FALLS CHURCH ,VA s
SJH ENGINEERING PC GS-10F-0477X 7323290500 PRINCETON ,NJ s/d
SIRIS LLC 47QRAA19D00CA 8439013540 MOUNT PLEASANT ,SC s/dv/d
SIMULATION TECHNOLOGIES, INC.       GS-10F-100BA 256-428-2904 HUNTSVILLE ,AL s/wo
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 6107934390 FRONT ROYAL ,VA s/dv
SHARMA & ASSOCIATES INC       GS-10F-0027T (630)655-4630 HINSDALE ,IL s/d  
SHAPEFIDELITY, INC.       GS-00F-284GA 2562137841 HUNTSVILLE ,AL s/w/wo
SEVENTH SENSE CONSULTING, LLC GS-00F-102GA 571-241-6331 WOODBRIDGE ,VA s/dv/d/8a
SEVATEC INC. GS-10F-0142W 703-961-1818, EXT. 1 FAIRFAX ,VA o
SEVAN MULTI-SITE SOLUTIONS LLC 47QRAA18D0072 817-320-2422 DOWNERS GROVE ,IL s/v
SETTY & ASSOCIATES, LTD. GS-23F-0111S 703-691-2115 FAIRFAX ,VA s/d
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 703.939.6671 HERNDON ,VA o
SENTINEL CONSULTING, LLC 47QRAA20D005P (859)572-4400 NEW YORK ,NY s/d    
SENTAR, INC.       GS-10F-095AA 256-430-0860 HUNTSVILLE ,AL s/w/wo
SENSOR CONCEPTS AND APPLICATIONS, INC. GS-10F-0240Y 4439558899 GLEN ARM ,MD s/w/wo
SELECTTECH SERVICES CORPORATION GS-23F-0283L 9374389905 CENTERVILLE ,OH s/w/wo
SDS INTERNATIONAL, INC. GS-00F-0077M 703-553-7533 FREDERICKSBURG ,VA s/dv
SCITECH SERVICES, INC. GS-02F-0259X (443) 303-3249 HAVRE DE GRACE ,MD s
SCIENTIFIC RESEARCH CORPORATION GS-23F-0125L 770-989-9447 ATLANTA ,GA o
SCIENCE SYSTEMS AND APPLICATIONS, INC. GS-23F-0102N 301-867-2122 LANHAM ,MD s
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION GS-00F-002CA 703-676-8723 RESTON ,VA o
SCIENCE AND TECHNOLOGY ASSOCIATES, INC.       47QRAA19D0082 703-522-5123 ARLINGTON ,VA s
SCHAFER GOVERNMENT SERVICES, LLC 47QRAA19D0021 7035166752 ARLINGTON ,VA o
SCAVET TECHNOLOGIES LLC GS-10F-087BA 856-218-9496 SEWELL ,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
SAVILLS INC. GS-00F-165CA 202-624-8533 WASHINGTON ,DC o
SAMS CONTRACTING CONSULTING AND TRAINING LLC GS-00F-309DA (210)788-1034 SAN ANTONIO ,TX s/dv/d  
SAMES, INC. GS-00F-298GA 956-702-8880 MCALLEN ,TX s/d/8a/h
SAIN ENGINEERING ASSOCIATES, INC. 47QRAA20D000V 205-909-4990 BIRMINGHAM ,AL s
SAALEX CORP GS-00F-110DA 4789229220 CAMARILLO ,CA s/dv/d
SA TECHNICAL SERVICES, INC. 47QRAA19D00BL (850)613-6085 NICEVILLE ,FL s/dv
S2 ANALYTICAL SOLUTIONS, LLC 47QRAA19D006L 571-306-0715 HERNDON ,VA s/v
S&ME, INC. GS-10F-0259X (407) 975-1273 RALEIGH ,NC o
ROUNDTABLE DEFENSE, LLC GS-10F-0231Y 5403188247 FREDERICKSBURG ,VA s/dv
ROCKWOOD COMPANY LLC 47QRAA18D0018 202-841-6634 WASHINGTON ,DC s/w/wo
ROBERT AND COMPANY GS-00F-210GA 4045774000 ATLANTA ,GA s/dv
RMA ARCHITECTS, P.S.C. 47QRAA19D009A 787-749-1960 SAN JUAN ,PR s/w/wo/d
RIVERSIDE TECHNOLOGY, INC. GS-00F-0026P 9702149419 FORT COLLINS ,CO o
RIVERSIDE RESEARCH INSTITUTE 47QRAA19D00CN 937-427-7009 NEW YORK ,NY o
RIVERSIDE RESEARCH INSTITUTE GS-23F-0134L 212-502-1724 NEW YORK ,NY o
RIMKUS ANALYTICS, L.L.C. GS-10F-0277Y 713-621-3550 HOUSTON ,TX 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
RHINO FIRE PROTECTION ENGINEERING, PLLC GS-10F-0194Y 7034765034 RESTON ,VA s
REED ENTERPRISE CONSULTING LLC       47QRAA18D00EP 2566040975 HUNTSVILLE ,AL s/dv/h
REDHORSE CORPORATION       GS-00F-0013Y 619-241-4609 SAN DIEGO ,CA o
RED GATE GROUP, LIMITED, THE GS-10F-0262X 7036572777 CHANTILLY ,VA s/dv
RED CANYON SOFTWARE, INC       GS-00F-044GA 3038640556 DENVER ,CO s/v/h
RE/SPEC INC. GS-00F-0078N 6053946400 RAPID CITY ,SD o
RAYTHEON COMPANY GS-00F-177CA (571) 250-3832 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
RADIANCE TECHNOLOGIES, INC.       GS-23F-0147L 256-489-8966 HUNTSVILLE ,AL s
R2T, INC. GS-00F-129GA 7705697038 ATLANTA ,GA s/w/wo/ew/d
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
R & B STUDIO LLC GS-00F-355GA (301)509-2092 BETHESDA ,MD s  
QUASARS INCORPORATED       GS-00F-106GA (202) 863-4431 ELLICOTT CITY ,MD s/w/wo
QUANTUM RESEARCH INTERNATIONAL, INC. 47QRAA19D00A9 256-971-1800, X145 HUNTSVILLE ,AL s
QUANTITECH INC GS-23F-0320N 2567990669 HUNTSVILLE ,AL o
QUANTITATIVE SCIENTIFIC SOLUTIONS, LLC 47QRAA19D004D 703-468-1277 ARLINGTON ,VA s
QUANTECH SERVICES INC. GS-00F-282CA 781-457-0331 LEXINGTON ,MA o
QUALITY INNOVATION, INC. 47QRAA18D000E (512) 246-4936 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
QED SYSTEMS, INC. GS-00F-059CA 757-490-5021 VIRGINIA BEACH ,VA o
QED SYSTEMS LLC 47QRAA18D00A9 4433604504 ABERDEEN PROVING GR ,MD s
PROTECTION STRATEGIES INCORPORATED 47QRAA18D0049 8652945101 KNOXVILLE ,TN s/dv
PROMODEL CORPORATION GS-00F-421GA 860-608-5389 OREM ,UT s
PROJECT TIME & COST, LLC 47QRAA19D003A 770 200-0192 ATLANTA ,GA s
PROJECT SERVICES GROUP, LLC GS-00F-120CA 770-454-0396 SUWANEE ,GA s/d/8a
PROJECT ENHANCEMENT CORPORATION       GS-00F-0004T 240-686-3059 GERMANTOWN ,MD s
PROJECT CONTROLS GROUP, INC. 47QRAA17D0001 (314)647-0707 SAINT LOUIS ,MO s/d  
PROFESSIONAL PROJECT SERVICES, INC. GS-00F-112CA 865-220-4377 OAK RIDGE ,TN s
PRODUCTIVITY APEX, INC. GS-10F-0266U (407) 384-0800 WINTER PARK ,FL s/w/wo/d/8a
PRODIMS LLC 47QRAA20D001F (425)828-0500 KIRKLAND ,WA s    
PROCON CONSULTING LLC GS-00F-247CA 7035277059 ARLINGTON ,VA s
PROCLEARED, LLC 47QRAA19D005W 540-422-1202 CHANTILLY ,VA s/v
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 4196595914 DAYTON ,OH s/w/wo/d
PRESCIENT EDGE CORPORATION 47QRAA18D00CU 571-341-8031 MC LEAN ,VA s/v
PREFERRED PROGRAM SOLUTIONS INC 47QRAA18D009S 256-350-5983 MADISON ,AL s/dv
PRECISION TECHNOLOGIES, INC. 47QRAA18D00DZ 3015912442 GAITHERSBURG ,MD s/w/wo/d
PRECISION SCHEDULING CONSULTANTS, LLC GS-00F-253DA 210-380-5691 SAN ANTONIO ,TX s/dv
PPT SOLUTIONS, INC. GS-00F-422GA 256-319-0423 HUNTSVILLE ,AL s
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PERIKIN ENTERPRISES, LLC GS-00F-003AA 505-333-0501 ALBUQUERQUE ,NM s/d
PEREGRINE TECHNICAL SOLUTIONS, LLC 47QRAA18D0016 757-234-6664 YORKTOWN ,VA s/d/8a
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PATRONA CORPORATION 47QRAA19D009E 603-294-0205 WASHINGTON ,DC s
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OUTFIT INC., THE       47QRAA18D00EL 830-632-6429 NEW BRAUNFELS ,TX s/w/wo
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OCH TECHNOLOGIES, LLC 47QRAA19D005Q 7038643479 LEESBURG ,VA s/d/8a
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NETCENTRIC TECHNOLOGY, LLC 47QRAA19D00AU 703-478-2650 WALL ,NJ s/d
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MINDMESH INC 47QRAA19D004B 713-489-7798 HOUSTON ,TX s/w/wo/8a
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LOGICORE CORPORATION GS-00F-228CA 2565335789 HUNTSVILLE ,AL s/w
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LOCKWOOD GROUP LLC, THE GS-00F-349GA 443-327-7174 BELCAMP ,MD s/dv
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LJB INC GS-00F-049CA (937) 259-5146 MIAMISBURG ,OH o
LINQUEST CORPORATION GS-23F-0113S 323-924-1587 LOS ANGELES ,CA o
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LELAND SAYLOR ASSOCIATES INC 47QRAA19D00AZ 415-291-4930 WALNUT CREEK ,CA s/dv
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IPARAMETRICS, LLC GS-10F-112CA 770-664-6636 ALPHARETTA ,GA s
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INVARIANT CORPORATION GS-23F-0315P 256-885-9794 HUNTSVILLE ,AL s
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HASSETT & WILLIS ASSOCIATES, LLC GS-10F-0156U 202-290-1911 WASHINGTON ,DC o
HARRIS CORPORATION GS-23F-0058M 321-729-2629 PALM BAY ,FL o
HANSCOMB CONSULTING, INC. 47QRAA18D004N 7037060423 ALEXANDRIA ,VA s/d
HANCOCK MANAGEMENT L.L.C. GS-00F-003CA 603-894-5429 DERRY ,NH s/dv
GUIDEHOUSE LLP GS-00F-045DA 571-245-0304 MCLEAN ,VA o
GSI ENVIRONMENTAL INC. 47QRAA18D009N 5123464474 HOUSTON ,TX o
GRYPHON TECHNOLOGIES, L.C. GS-10F-0284Y 757.408.5673 WASHINGTON ,DC o
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GLOBAL TECHNOLOGY AND MANAGEMENT RESOURCES, INC. GS-00F-080GA 301-475-8181 HOLLYWOOD ,MD s/v
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GLOBAL C2 INTEGRATION TECHNOLOGIES LLC 47QRAA18D0067 702-333-2345 LAS VEGAS ,NV s/dv
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GILBANE BUILDING COMPANY GS-23F-0024R 703-312-7246 PROVIDENCE ,RI o
GET IT DONE (GID) SOLUTIONS LLC GS-00F-282GA (540)455-7204 FREDERICKSBURG ,VA s/dv  
GEORGE CONSULTING, LTD.       GS-00F-384GA (843)471-1322 DANIEL ISLAND ,SC s  
GEOGRAPHIC INFORMATION SERVICES, INC. 47QRAA19D00BD 2057255836 BIRMINGHAM ,AL o
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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  
GENESIS ENGINEERING SOLUTIONS, INC. GS-23F-0345K 301-552-0101 LANHAM ,MD s/d
GENERAL TECHNICAL SERVICES L.L.C.       47QRAA19D006Y 732-280-2022 WALL TOWNSHIP ,NJ s/w/wo
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GEBC, LLC 47QRAA20D0057 7038956114 OWENS CROSS ROADS ,AL s/dv
GBL SYSTEMS CORPORATION 47QRAA19D007F 805-987-4345 CAMARILLO ,CA s
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FTS INTERNATIONAL, LLC 47QRAA19D0064 703-225-7660 DULLES ,VA s
FS3 INC GS-10F-125BA 714.864.8186 SAN CLEMENTE ,CA s/d
FREW DEVELOPMENT GROUP, LLC 47QRAA20D004W 303-333-1788 DENVER ,CO s
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FORD MANAGEMENT SERVICES LTD GS-10F-0019X 3013224006 UPPER MARLBORO ,MD s/w/wo/ew/d
FIVE STONES RESEARCH CORPORATION GS-10F-0446X 2569750848 BROWNSBORO ,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 301-658-3060 CHICAGO ,IL s/d
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 s
F3 SOLUTIONS, LLC GS-10F-195BA 478-971-1343 WARNER ROBINS ,GA s/w/wo/ew/d
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ENTERPRISE RESOURCE PLANNING INTERNATIONAL, LLC 47QRAA19D009W 3014900080 LAUREL ,MD o
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ELEVAN LLC GS-00F-051DA 210.807.9981 SAN ANTONIO ,TX s/w/wo/ew/d
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EDGESOURCE CORPORATION 47QRAA18D004S 7038370550 ALEXANDRIA ,VA s
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DIGIFLIGHT INCORPORATED GS-00F-195GA (410) 312-0662 COLUMBIA ,MD s/v/d
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DELTA SOLUTIONS & STRATEGIES, LLC GS-00F-215CA 931-461-9032 COLORADO SPRINGS ,CO s/dv
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DEFENSE ACQUISITION SUPPORT SERVICES L.L.C. 47QRAA19D008L 4433033192 LONG BRANCH ,NJ s/w/wo
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DECIBEL RESEARCH, INC GS-10F-0029Y 2564896193 HUNTSVILLE ,AL s
DCS CORPORATION       GS-23F-0303K 5712276226 ALEXANDRIA ,VA s
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DARKBLADE SYSTEMS CORPORATION 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/dv
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CULMEN INTERNATIONAL, LLC 47QRAA18D006D 703-224-7000 ALEXANDRIA ,VA o
CSRA LLC GS-00F-313CA (571)446-5340 FALLS CHURCH ,VA o
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CROSSFLOW TECHNOLOGIES, INC 47QRAA18D008D 2566533180 ALBERTVILLE ,AL s
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CORNERSTONE CONCILIUM, INC GS-00F-0007S (415)705-7800 SAN FRANCISCO ,CA s/d
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CLIENT SOLUTION ARCHITECTS LLC GS-10F-0051T 619-813-2906 MECHANICSBURG ,PA o
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CIVIL DESIGN & ENGINEERING INC GS-10F-263AA 928-522-9287 FLAGSTAFF ,AZ s/w/wo/d
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CINNOVAS DEVELOPMENT GROUP, LLC GS-10F-0248Y (202) 469-3446 WASHINGTON ,DC s/d/h
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CGI FEDERAL INC. GS-00F-302CA (703) 227-4882 FAIRFAX ,VA o
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BFA SYSTEMS, INC. GS-10F-0303T 256-704-3201 HUNTSVILLE ,AL s/dv
BERKELEY RESEARCH GROUP LLC 47QRAA18D006Z 202-480-2700 EMERYVILLE ,CA o
BENNETT ENGINEERING SERVICES INC 47QRAA19D00BU 916-783-4100 ROSEVILLE ,CA s/w/wo/d
BENNETT AEROSPACE, INC.       47QRAA20D003H 9196365185 RALEIGH ,NC s/w/wo/ew/v/d/8a
BEACON SYSTEMS, INC 47QRAA18D0091 9544261171 CORAL SPRINGS ,FL s/w/wo/ew/d
BD&Z ASSOCIATES LLC 47QRAA18D002V (202)560-2005 WASHINGTON ,DC s/d/8a  
BCS, LLC GS-00F-269CA 410-997-7778 WASHINGTON ,DC s
BCF SOLUTIONS, INC. 47QRAA19D007K 703-239-3928 CHANTILLY ,VA o
BB&E, INC. GS-10F-0103N 2484899636 NORTHVILLE ,MI s
BAYFIRST SOLUTIONS LLC GS-10F-0356Y 202-541-1010 WASHINGTON ,DC s/d
BATTELLE MEMORIAL INSTITUTE GS-00F-084CA 614-424-4647 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 s/dv/h
BANNER DEFENSE, INC. 47QRAA19D004Q 256-970-8795 MADISON ,AL s/dv
BANDWIDTH SOLUTIONS INC
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GS-23F-0295P (703)966-4478 MC LEAN ,VA s/w
BAKR GROUP, L.L.C. GS-10F-0291Y 9413630929 SARASOTA ,FL s
BAKER PROJECT CONSULTING, LLC GS-10F-0031W 202-468-1957 WASHINGTON ,DC s
BAE SYSTEMS TECHNOLOGY SOLUTIONS & SERVICES INC. GS-00F-240CA (301) 738-5985 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
AVUM, INC. 47QRAA20D001K 310-457-8263 X6001 AGOURA ,CA s/d
AVNIK DEFENSE SOLUTIONS INC GS-10F-219AA 256-513-5295 HUNTSVILLE ,AL s/w/wo
AVIONICS TEST & ANALYSIS CORPORATION GS-23F-0180N (850)897-5444 NICEVILLE ,FL 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 X131 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 17038285295 ARLINGTON ,VA s/dv
ATMOSPHERIC AND ENVIRONMENTAL RESEARCH, INC. GS-10F-0313Y 781-761-2380 LEXINGTON ,MA o
ATKINSON AERONAUTICS & TECHNOLOGY, INC. 47QRAA18D009W 540-760-7499 FREDERICKSBURG ,VA s/dv
ATKINS NORTH AMERICA, INC. GS-00F-007AA 813-281-4584 TAMPA ,FL o
ATI, INC. 47QRAA18D00E9 4109923424 COLUMBIA ,MD s/d/8a
ATA SERVICES INC GS-23F-0088V 303-278-9900 LAKEWOOD ,CO s/v/d
ASU RESEARCH ENTERPRISE 47QRAA18D0082 4809413610 SCOTTSDALE ,AZ o
ASCENSION GLOBAL SOLUTIONS, LLC 47QRAA19D009Y 781-254-9020 NORTH BILLERICA ,MA s/w/wo/dv/d
ASCA, INC.       GS-23F-0049R 3103166249 EXT 105 REDONDO BEACH ,CA s
ART ANDERSON ASSOCIATES, INC.       GS-10F-0159U 360-479-5600 BREMERTON ,WA s/v
ARMAND CORPORATION GS-10F-0440X 856-489-8200 NEW YORK ,NY s/w/wo/ew/d
ARION SYSTEMS, INC. 47QRAA19D00DS (703)815-1130 CHANTILLY ,VA s    
ARGO SYSTEMS, LLC GS-10F-0335T 443-270-6824 HANOVER ,MD o
ARCHARITHMS, INC. GS-00F-175DA 256-763-8781 HUNTSVILLE ,AL s/h
APTIVE RESOURCES LLC GS-07F-281BA 571-210-4500 ALEXANDRIA ,VA s/w/wo/ew/dv/d
APSI CONSTRUCTION MANAGEMENT GS-23F-0054S 9496790202 IRVINE ,CA s
APPLIED TECHNOLOGY, INC. 47QRAA19D00CC 540-663-0050 KING GEORGE ,VA s
APPLIED TECHNOLOGIES GROUP, INC. GS-10F-065AA 256-533-3471 HUNTSVILLE ,AL s/w/wo/ew/d/8a
APPLIED RESEARCH SOLUTIONS, INC GS-00F-135GA 937-912-6100 BEAVERCREEK ,OH s
APPLIED RESEARCH ASSOCIATES, INC. GS-00F-341CA 505-214-8125 ALBUQUERQUE ,NM o
APOGEE SOLUTIONS, INC. 47QRAA18D009D 757-549-2645 CHESAPEAKE ,VA s/w/wo
APOGEE ENGINEERING, LLC GS-10F-0242W 7194184968 COLORADO SPRINGS ,CO s/d/8a
ANTARES GROUP INCORPORATED       47QRAA19D008S 301-731-1900 X 220 LANHAM ,MD s
ANDROMEDA SYSTEMS INCORPORATED GS-10F-0300Y 904-402-8661 VIRGINIA BEACH ,VA s/dv
ANDREWS CONSULTING SERVICES LLC       47QRAA20D004A 7193227041 BEALETON ,VA s/w/wo
ANDERSON ENGINEERING OF MINNESOTA, LLC       47QRAA18D006J 763-412-4000 MINNEAPOLIS ,MN s/dv
ANALYTICAL SERVICES, INC.       GS-00F-020DA 703-478-2650 HUNTSVILLE ,AL s/d
ANALYTICAL SERVICES & MATERIALS, INC. GS-23F-0281K 7578657093 X311 HAMPTON ,VA s/w/d
ANALYTICAL MECHANICS ASSOCIATES, INC. GS-23F-0047L 757-865-0000X218 HAMPTON ,VA s/d/8a
ANALYTIC SERVICES INC. GS-00F-095CA 7034161304 FALLS CHURCH ,VA o
ANALYSIS, PLANNING AND MANAGEMENT INSTITUTE, INC. 47QRAA19D0047 (844)470-8802 CULPEPER ,VA o    
ANALYGENCE, INC. 47QRAA20D005D 301-830-6092 COLUMBIA ,MD s/dv/d/8a
AMERICAN SYSTEMS CORPORATION GS-00F-089CA 703-968-5068 CHANTILLY ,VA o
AMERICAN SYSTEMS CORPORATION GS-35F-500CA 70396685068 CHANTILLY ,VA o
AMEE BAY, LLC GS-10F-0255V 843-414-4141 ANCHORAGE ,AK s/d/8a
AMAZING GRACE ENTERPRISES GS-10F-010AA 301-809-9716 BOWIE ,MD s/w/wo
ALTUS, LLC GS-10F-0155V (410) 457-8115 DARLINGTON ,MD s
ALTAMIRA TECHNOLOGIES CORPORATION 47QRAA19D0027 703-813-2163 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 256-704-3201 HUNTSVILLE ,AL s/dv/d/8a
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 571.261.6724 ANNANDALE ,VA s/w/wo/h
ALLEGHENY SCIENCE & TECHNOLOGY CORPORATION GS-10F-053AA 571-418-6376 BRIDGEPORT ,WV s/w/wo/ew/d/8a
ALFONSO & ASSOCIATES CONSULTING, INC       GS-10F-0183X 7036390668 TYSONS CORNER ,VA s/wo/d
ALEXANDRIA INSIGHTS, INC 47QRAA18D003M 7032820121 STAFFORD ,VA s/dv
ALEX - ALTERNATIVE EXPERTS, LLC 47QRAA18D003Y 703-547-1665 DUMFRIES ,VA s/w/wo/ew/d/8a
ALARES CONSTRUCTION INC. 47QRAA18D00GB 617-481-6390 QUINCY ,MA s/dv
ALABAMA A&M UNIVERSITY RESEARCH, INNOVATION, SCIENCE AND ENGINEERING FOUNDATION, INC., THE 47QRAA19D002C (256)372-5866 NORMAL ,AL o    
AIR LOGISTICS AND ENGINEERING CONSULTANTS, LLC       47QRAA18D0092 478-971-6765 WARNER ROBINS ,GA s
AI SOLUTIONS, INC. GS-23F-0124L 301-306-1756 LANHAM ,MD s
AI SIGNAL RESEARCH, INC. GS-10F-0254T 256-551-0008 X39 HUNTSVILLE ,AL s/w
AGEISS INC. 47QRAA19D00BC 720-340-8770 CHEYENNE ,WY o
AFG GROUP INC. GS-23F-0371P 7034350029 HERNDON ,VA s/w/wo
AFFILIATED ENGINEERS METRO DC, INC.       47QRAA18D00GE 3014687766 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 FAIRBORN ,OH s/v
AERO THERMO TECHNOLOGY, INC. 47QRAA18D00BA 2569221141 HUNTSVILLE ,AL s/w/wo
AERO THERMO TECHNOLOGY, INC. GS-23F-0333K (256)922-1141 HUNTSVILLE ,AL s/w  
AERIAL PRODUCTIONS INTERNATIONAL, INC. GS-10F-178AA 520-820-1024 TUCSON ,AZ s
AEGIS TECHNOLOGIES GROUP, INC., THE GS-10F-0019U 256-922-0802 HUNTSVILLE ,AL s
AECOM N&E TECHNICAL SERVICES LLC 47QRAA20D006B (803)502-9718 AIKEN ,SC o    
AE3 PARTNERS, INC. 47QRAA19D002R 415-233-9991 SAN FRANCISCO ,CA s/d
ADVANCED SCIENCES AND TECHNOLOGIES, LLC GS-10F-0103U (856)719-9001 BERLIN ,NJ s  
ADVANCED PROJECT CONSULTING, LLC GS-00F-122GA 4784200272 WARNER ROBINS ,GA s/w/wo/ew/dv/d/8a
ADVANCED MANAGEMENT STRATEGIES GROUP, INC. GS-00F-024CA 5713910435 DUMFRIES ,VA s/dv
ADVANCED ELECTRONIC DESIGNS, INC. GS-00F-016GA 4065858892 BOZEMAN ,MT s
ADVANCED CORE CONCEPTS, LLC GS-00F-0005U 404-902-6301 WARNER ROBINS ,GA s
ADVANCED CONCEPTS AND TECHNOLOGIES INTERNATIONAL, LLC GS-10F-0336L 254-776-9511 WACO ,TX s
ACQUISITION, RESEARCH AND LOGISTICS INC GS-10F-0415X 301-749-1410 OXON HILL ,MD s/dv/d
ACQUISITION SYSTEMS ASSOCIATES, INC. 47QRAA19D001V 7039663786 TYSONS ,VA s
ACQUIRED DATA SOLUTIONS, INC. GS-00F-228GA 301-984-4193 ROCKVILLE ,MD s
ACOT ASSOCIATES GROUP, LLC 47QSAA17D0001 9012661653 CHICAGO ,IL s/dv
ACE AERONAUTICS, LLC 47QRAA20D006L (256)705-0250 GUNTERSVILLE ,AL s    
ACCURATE MACHINE & TOOL CORPORATION 47QRAA20D0013 256-461-8063 MADISON ,AL s/w/wo
ACCURA ENGINEERING AND CONSULTING SERVICES, INC. GS-10F-0251Y 404-241-8722 ATLANTA ,GA s/w/wo/ew/d/8a
ABSG CONSULTING INC. GS-00F-026CA 865-671-5837 SPRING ,TX o
ABRAHAM WEITZBERG GS-23F-0115N 8183475068 WOODLAND HILLS ,CA s
ABACUS TECHNOLOGY CORPORATION GS-00F-191CA 301-215-7593 CHEVY CHASE ,MD o
AB CONSULTANTS, INC GS-10F-0403Y 240-582-8002 LANHAM ,MD s/d
AASKI TECHNOLOGY INC       GS-10F-060AA 732-493-1700 ABERDEEN ,MD o
A3GEO, INC.       GS-00F-370GA 1-415-425-0247 BERKELEY ,CA s/w/wo/ew/d
A2 SYSTEMS ENGINEERING, INC. GS-10F-0316X 31046966606 EL SEGUNDO ,CA s/v
A-TECH CORPORATION 47QRAA18D002K 505-767-1278 ALBUQUERQUE ,NM s
A-P-T RESEARCH, INC. GS-23F-0153L (256)327-4015 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