GSA Federal Acquisition Service
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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
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.
926 contractors

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Contractor       Contract # Phone City, State Socio-
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3U TECHNOLOGIES, LLC GS-10F-119AA 301-452-3152 CONROE ,TX s
4M RESEARCH, INC. 47QRAA19D0094 256-319-4646 HUNTSVILLE ,AL s/w/wo
5-D SYSTEMS, INC.       GS-23F-0322N 512-238-9840 X18 ROUND ROCK ,TX s
A-P-T RESEARCH, INC. GS-23F-0153L 256.327.4015 HUNTSVILLE ,AL s
A-TECH CORPORATION 47QRAA18D002K 505-767-1278 ALBUQUERQUE ,NM s
A2 SYSTEMS ENGINEERING, INC. GS-10F-0316X 31046966606 EL SEGUNDO ,CA s/v
A3GEO, INC.       GS-00F-370GA 1-415-425-0247 BERKELEY ,CA s/w/wo/ew/d
AASKI TECHNOLOGY INC       GS-10F-060AA 732-493-1700 ABERDEEN ,MD o
AB CONSULTANTS, INC GS-10F-0403Y 240-582-8002 LANHAM ,MD s/d
ABACUS TECHNOLOGY CORPORATION GS-00F-191CA 301-215-7593 CHEVY CHASE ,MD o
ABRAHAM WEITZBERG GS-23F-0115N 8183475068 WOODLAND HILLS ,CA s
ABSG CONSULTING INC. GS-00F-026CA 703-351-3715 SPRING ,TX o
ACCURA ENGINEERING AND CONSULTING SERVICES, INC. GS-10F-0251Y 404-241-8722 ATLANTA ,GA s/w/wo/ew/d/8a
ACCURATE MACHINE & TOOL CORPORATION 47QRAA20D0013 2564618063 MADISON ,AL s/w/wo
ACCUSTRATA, INC. 47QSWA20D003F 9494390037 ROCKVILLE ,MD s
ACE AERONAUTICS, LLC 47QRAA20D006L 256-705-0250 EXT. 12 GUNTERSVILLE ,AL s
ACOT ASSOCIATES GROUP, LLC 47QSAA17D0001 9012661653 CHICAGO ,IL s/dv
ACQUIRED DATA SOLUTIONS, INC. GS-00F-228GA 301-984-4193 ROCKVILLE ,MD s
ACQUISITION SYSTEMS ASSOCIATES, INC. 47QRAA19D001V 7039663786 TYSONS ,VA s
ACQUISITION, RESEARCH AND LOGISTICS INC GS-10F-0415X 301-749-1410 LANHAM ,MD s/dv/d
ADS FEDERAL, INC. GS-35F-244BA 571-447-4482 ARLINGTON ,VA s/v/8a
ADVANCED CONCEPTS AND TECHNOLOGIES INTERNATIONAL, LLC GS-10F-0336L 254-776-9511 WACO ,TX s
ADVANCED CORE CONCEPTS, LLC GS-00F-0005U 937 426-2808 WARNER ROBINS ,GA s
ADVANCED ELECTRONIC DESIGNS, INC. GS-00F-016GA 4065858892 BOZEMAN ,MT s
ADVANCED MANAGEMENT STRATEGIES GROUP, INC. GS-00F-024CA 5713910435 DUMFRIES ,VA s/dv
ADVANCED PROJECT CONSULTING, LLC GS-00F-122GA 478-420-0272 WARNER ROBINS ,GA s/w/wo/ew/dv/d/8a
ADVANCED SCIENCES AND TECHNOLOGIES, LLC GS-10F-0103U (856)719-9001 BERLIN ,NJ s  
ADVANCED TECHNOLOGY LEADERS, INC 47QTCA19D001X 7064952393 MARTINEZ ,GA s/w/wo/ew/dv/d/8a
AE3 PARTNERS, INC. 47QRAA19D002R 415-233-9991 SAN FRANCISCO ,CA s/d
AECOM N&E TECHNICAL SERVICES LLC 47QRAA20D006B (803)502-9718 AIKEN ,SC o    
AEGIS TECHNOLOGIES GROUP, LLC, THE GS-10F-0019U 256-922-0802 HUNTSVILLE ,AL s
AERIAL PRODUCTIONS INTERNATIONAL, INC. GS-10F-178AA (520)240-2338 TUCSON ,AZ s  
AERO THERMO TECHNOLOGY, INC. 47QRAA18D00BA 2569221141 HUNTSVILLE ,AL s/w/wo
AEROSPACE BUSINESS DEVELOPMENT ASSOCIATES, INC. GS-00F-312DA 9373181640 FAIRBORN ,OH s/v
AES GROUP INC GS-23F-0250N 303-841-3922 PARKER ,CO s/dv
AFFILIATED ENGINEERS METRO DC, INC.       47QRAA18D00GE 3014687766 ROCKVILLE ,MD o
AFG GROUP INC. 47QRAA20D009J (703)435-0029 HERNDON ,VA s/w/wo    
AFG GROUP INC. GS-23F-0371P 703-342-9939 HERNDON ,VA s/w/wo
AGEISS INC. 47QRAA19D00BC 720-340-8770 LAKEWOOD ,CO o
AI SIGNAL RESEARCH, INC. GS-10F-0254T 256-551-0008 X39 HUNTSVILLE ,AL s/w
AI SOLUTIONS, INC. GS-23F-0124L 301-306-1756 LANHAM ,MD s
AIR LOGISTICS AND ENGINEERING CONSULTANTS, LLC       47QRAA18D0092 478-971-6765 WARNER ROBINS ,GA s
AKIMEKA, LLC GS-00F-147CA 407-475-3804 COLUMBIA ,MD o
ALABAMA A&M UNIVERSITY RESEARCH, INNOVATION, SCIENCE AND ENGINEERING FOUNDATION, INC., THE 47QRAA19D002C (256)372-5866 NORMAL ,AL o    
ALARES CONSTRUCTION INC. 47QRAA18D00GB 617-481-6390 QUINCY ,MA s/dv
ALEX - ALTERNATIVE EXPERTS, LLC 47QRAA18D003Y 703-547-1665 DUMFRIES ,VA s/w/wo/ew/d/8a
ALEXANDRIA INSIGHTS, INC 47QRAA18D003M 7032820121 STAFFORD ,VA s/dv
ALFONSO & ASSOCIATES CONSULTING, INC       GS-10F-0183X 7036390668 TYSONS CORNER ,VA s/wo/d
ALION SCIENCE AND TECHNOLOGY CORPORATION GS-00F-064CA 703-259-5008 BURR RIDGE ,IL o
ALLANA BUICK & BERS, INC.       GS-00F-445GA 650-543-5600 PALO ALTO ,CA o
ALLEGHENY SCIENCE & TECHNOLOGY CORPORATION GS-10F-053AA 571-418-6376 BRIDGEPORT ,WV s/w/wo/ew/d/8a
ALLIANCE POINTE, LLC 47QRAA18D00GY 571.261.6724 ANNANDALE ,VA s/w/wo/h
ALLIED MISSION GROUP LLC 47QRAA18D00G8 571-344-0888 LEESBURG ,VA s/d/h
ALLUVIONIC INC. 47QRAA20D003F 5012594288 MELBOURNE ,FL s/w/wo/ew/d/8a
ALPHA BETA TECHNOLOGIES, INC. GS-23F-0109S 256-704-3201 HUNTSVILLE ,AL s/dv/d/8a
ALPHA CONSTRUCTION AND ENGINEERING CORPORATION GS-23F-0209N 703.450.0800 DULLES ,VA o
ALPHA FACILITIES SOLUTIONS, LLC 47QRAA20D000T 2106013190 SAN ANTONIO ,TX s/dv/d
ALPHASIX CORPORATION 47QRAA19D00B6 703-579-6479 DULLES ,VA o
ALTAMIRA TECHNOLOGIES CORPORATION 47QRAA19D0027 703-813-2163 MCLEAN ,VA s
ALTUS, LLC GS-10F-0155V (410) 457-8115 DARLINGTON ,MD s
AMAZING GRACE ENTERPRISES GS-10F-010AA 301-809-9716 BOWIE ,MD s/w/wo
AMEE BAY, LLC GS-10F-0255V 843-414-4141 ANCHORAGE ,AK s/d/8a
AMENTUM SERVICES, INC. GS-00F-046CA 301-944-3224 GERMANTOWN ,MD o
AMERICAN SYSTEMS CORPORATION GS-35F-500CA 7039685225 CHANTILLY ,VA o
ANALYGENCE, INC. 47QRAA20D005D 301-830-6092 COLUMBIA ,MD s/dv/d/8a
ANALYSIS, PLANNING AND MANAGEMENT INSTITUTE, INC. 47QRAA19D0047 (844)470-8802 CULPEPER ,VA o    
ANALYTIC SERVICES INC. GS-00F-095CA 7034161304 FALLS CHURCH ,VA o
ANALYTICAL MECHANICS ASSOCIATES, INC. GS-23F-0047L 757-865-0000X218 HAMPTON ,VA s/d/8a
ANALYTICAL SERVICES, INC.       GS-00F-020DA 703-478-2650 HUNTSVILLE ,AL s/d
ANDERSON ENGINEERING & DESIGN, LLC 47QRAA18D00G0 301-305-1283 LEXINGTON PARK ,MD s/dv
ANDERSON ENGINEERING OF MINNESOTA, LLC       47QRAA18D006J 763-412-4000 MINNEAPOLIS ,MN s/dv
ANDREWS CONSULTING SERVICES LLC       47QRAA20D004A 7193227041 BEALETON ,VA s/w/wo
ANDROMEDA SYSTEMS INCORPORATED GS-10F-0300Y 904-402-8661 VIRGINIA BEACH ,VA s/dv
ANTARES GROUP INCORPORATED       47QRAA19D008S 301-731-1900 X 220 LANHAM ,MD s
APOGEE ENGINEERING, LLC GS-10F-0242W 7194184968 COLORADO SPRINGS ,CO s/d/8a
APOGEE SOLUTIONS, INC. 47QRAA18D009D 757-549-2645 CHESAPEAKE ,VA s/w/wo
APPLIED RESEARCH ASSOCIATES, INC. GS-00F-341CA 505-214-8125 ALBUQUERQUE ,NM o
APPLIED RESEARCH SOLUTIONS, INC GS-00F-135GA 937-912-6100 BEAVERCREEK ,OH s
APPLIED TECHNOLOGIES GROUP, INC. GS-10F-065AA 256-533-3471 HUNTSVILLE ,AL s/w/wo/ew/d/8a
APPLIED TECHNOLOGY, INC. 47QRAA19D00CC 540-663-0050 KING GEORGE ,VA s
APSI CONSTRUCTION MANAGEMENT GS-23F-0054S 9496790202 IRVINE ,CA s
APTIVE RESOURCES LLC GS-07F-281BA 571-210-4500 ALEXANDRIA ,VA s/w/wo/ew/dv/d
ARCANUM GROUP, INC., THE GS-10F-0324X 303-693-7263 DENVER ,CO s/dv
ARCHARITHMS, INC. GS-00F-175DA 256-763-8781 HUNTSVILLE ,AL s/h
ARES CORPORATION GS-23F-0113L 650-401-7100 BURLINGAME ,CA o
ARGO SYSTEMS, LLC GS-10F-0335T 443-270-6824 HANOVER ,MD o
ARION SYSTEMS, INC. 47QRAA19D00DS (703)815-1130 CHANTILLY ,VA s    
ARMAND CORPORATION GS-10F-0440X 856-489-8200 NEW YORK ,NY s/w/wo/ew/d
ARORA ENGINEERS, INC. GS-00F-083DA 610-459-7944 CHADDS FORD ,PA s
ART ANDERSON ASSOCIATES, INC.       GS-10F-0159U 360-479-5600 BREMERTON ,WA s/v
ASAP, LLC GS-00F-174GA (202)234-8933 GREAT FALLS ,VA s/w/wo  
ASCA, INC.       GS-23F-0049R 3103166249 EXT 105 REDONDO BEACH ,CA s
ASCENSION GLOBAL SOLUTIONS, LLC 47QRAA19D009Y 781-254-9020 NORTH BILLERICA ,MA s/w/wo/dv/d
ASR INTERNATIONAL CORP. GS-00F-283CA 6312311086 HAUPPAUGE ,NY s/d
ASSURED INFORMATION SECURITY, INC. GS-00F-235GA (315)336-3306 ROME ,NY s  
ASU RESEARCH ENTERPRISE 47QRAA18D0082 (480)884-0402 SCOTTSDALE ,AZ o  
AT&T GOVERNMENT SOLUTIONS, INC. GS-00F-350CA 5713544065 VIENNA ,VA o
ATA SERVICES INC GS-23F-0088V 303-278-9900 LAKEWOOD ,CO s/v/d
ATI, INC. 47QRAA18D00E9 4109923424 COLUMBIA ,MD s/d/8a
ATKINS NORTH AMERICA, INC. GS-00F-007AA 813-281-4430 TAMPA ,FL o
ATKINSON AERONAUTICS & TECHNOLOGY, INC. 47QRAA18D009W (561)640-9171 FREDERICKSBURG ,VA s/dv  
ATMOSPHERIC AND ENVIRONMENTAL RESEARCH, INC. GS-10F-0313Y 781-761-2380 LEXINGTON ,MA o
AUGUR CONSULTING INC       47QRAA19D003S 17038285295 ARLINGTON ,VA s/dv
AVALON BUSINESS ENGINEERING SERVICES, LLC 47QRAA20D003E 801 668-5823 CLEARFIELD ,UT s/w/wo/ew/dv/d/8a
AVIAN, INC. 47QRAA18D006L 301-866-2070 EXT. #1 LEXINGTON PARK ,MD s/dv
AVIATION & MISSILE SOLUTIONS, LLC GS-23F-0017P 256-713-5903 HUNTSVILLE ,AL o
AVION SOLUTIONS, INC.
(DBA: AVION)
      GS-00F-0082N 256-721-7006 HUNTSVILLE ,AL s
AVIONICS TEST & ANALYSIS CORPORATION GS-23F-0180N (850)897-5444 NICEVILLE ,FL s/w/wo  
AVMAC LLC       47QMCA20D0043 (757) 995-2029 CHESAPEAKE ,VA s/dv/d/8a
AVNIK DEFENSE SOLUTIONS INC GS-10F-219AA 256-513-5295 HUNTSVILLE ,AL s/w/wo
AVUM, INC. 47QRAA20D001K 310-457-8263 X6001 AGOURA ,CA s/d
AXIOM CONSULTANTS INC. 47QRAA19D0077 703-599-1502 ROCKVILLE ,MD s/w/wo/ew/d/8a
AZIMUTH CORPORATION GS-10F-0352R 937-256-8571 BEAVERCREEK ,OH o
B3GLOBALCON, LLC       GS-00F-226GA 804-519-9808 MIDLOTHIAN ,VA s/dv/d
B3H CORPORATION 47QRAA18D0025 850-651-3443 SHALIMAR ,FL s/dv
BACIK GROUP LLC GS-00F-017CA 205-358-9851 PELHAM ,AL s/dv
BAE SYSTEMS TECHNOLOGY SOLUTIONS & SERVICES INC. GS-00F-240CA 301-738-5979 ROCKVILLE ,MD o
BAKER PROJECT CONSULTING, LLC GS-10F-0031W 202-468-1957 WASHINGTON ,DC s
BAKR GROUP, L.L.C. GS-10F-0291Y 9413630929 SARASOTA ,FL s
BANDWIDTH SOLUTIONS INC
(DBA: BSII GROUP)
GS-23F-0295P (703)966-4478 MC LEAN ,VA s/w
BANNER DEFENSE, INC. 47QRAA19D004Q 256-970-8795 MADISON ,AL s/dv
BARBARICUM LLC GS-00F-206CA (202) 393-0873 WASHINGTON ,DC o
BASTION TECHNOLOGIES, INC. 47QRAA19D007C 281-283-9359 HOUSTON ,TX s/d
BASTION TECHNOLOGIES, INC. GS-00F-0040P 281-283-9359 HOUSTON ,TX o
BATTELLE MEMORIAL INSTITUTE GS-00F-084CA 614-424-4647 COLUMBUS ,OH o
BAYFIRST SOLUTIONS LLC GS-10F-0356Y 202-541-1010 WASHINGTON ,DC s/d
BB&E, INC. 47QRAA20D007E 2484899636 NORTHVILLE ,MI s
BB&E, INC. GS-10F-0103N 2484899636 NORTHVILLE ,MI s
BCF SOLUTIONS, INC. 47QRAA19D007K 703-239-3928 CHANTILLY ,VA o
BCS, LLC GS-00F-269CA 410-997-7778 WASHINGTON ,DC s
BEACON SYSTEMS, INC 47QRAA18D0091 954-426-1171 CORAL SPRINGS ,FL s/w/wo/ew/d
BENNETT AEROSPACE, INC.       47QRAA20D003H 9196365185 RALEIGH ,NC s/w/wo/ew/v/d/8a
BENNETT ENGINEERING SERVICES INC 47QRAA19D00BU 916-783-4100 ROSEVILLE ,CA s/w/wo/d
BERKELEY RESEARCH GROUP LLC 47QRAA18D006Z 202-480-2700 EMERYVILLE ,CA o
BFA SYSTEMS, INC. GS-10F-0303T 256-704-3201 HUNTSVILLE ,AL s/dv
BIGELOW FAMILY HOLDINGS LLC 47QRAA18D00C5 586-306-8962 STERLING HEIGHTS ,MI s/w/wo/ew/dv/d/8a
BINERA, INC. GS-00F-048CA 757-867-8538 YORKTOWN ,VA s/w/wo/ew
BIZSOLUTIONS 360 GS-10F-213AA 2025880560 WASHINGTON ,DC s/d
BLACK DIAMOND CONSULTING CORPORATION GS-00F-292GA 703-434-1886 ASHBURN ,VA s/d
BLACK HALL AEROSPACE, INC. GS-00F-316GA 240-938-7461 HUNTSVILLE ,AL s/dv
BLUE SKY INNOVATORS INC. 47QRAA20D001N 571-261-6385 FAIRFAX ,VA s
BLUEWATER FEDERAL SOLUTIONS, INC.       47QRAA20D001S 703-371-7914 CHANTILLY ,VA o
BLUMONT ENGINEERING SOLUTIONS, INC. 47QRAA18D00AP 703-778-4256 MADISON ,WI o
BMT DESIGNERS & PLANNERS, INC. GS-00F-337CA 703-920-7070 ARLINGTON ,VA o
BNA CONSULTING, LLC 47QRAA20D000M 801-532-2196 SALT LAKE CITY ,UT s/d
BOEING AEROSPACE OPERATIONS, INC. 47QRAA20D0079 314-563-7049 SAINT LOUIS ,MO o
BOHANNAN-HUSTON, INC. GS-00F-0001Y 5058231000 ALBUQUERQUE ,NM o
BONHAM TECHNOLOGIES, INC. GS-00F-194GA 256-864-2340 HUNTSVILLE ,AL s/dv
BOOZ ALLEN HAMILTON INC.       GS-00F-008DA 703-377-4359 MCLEAN ,VA o
BOSTON GOVERNMENT SERVICES, LLC GS-00F-013GA (202)262-8098 LENOIR CITY ,TN s/d/8a
BOUNDS ASSOCIATES, LLC GS-10F-115CA 7033450608 ALEXANDRIA ,VA s/dv
BRADSHAW ENGINEERING AND TECHNICAL SERVICES, LLC GS-00F-183DA 256-603-6471 HUNTSVILLE ,AL s
BRATSLAVSKY CONSULTING ENGINEERS, INC. GS-00F-071CA 9072807619 ANCHORAGE ,AK s
BRILLIGENT SOLUTIONS, INC. 47QRAA18D0062 (937)879-4148 FAIRBORN ,OH s  
BRMI CONSULTING, INC. GS-10F-0143T 4434186674 SILVER SPRING ,MD o
BROWN CONSTRUCTION SERVICES INC GS-00F-163CA 703-599-3481 ANNANDALE ,VA s/w/wo
BRYCE SPACE AND TECHNOLOGY, LLC 47QRAA18D00AN 7036472742 ALEXANDRIA ,VA s/w/wo
BSI ENGINEERING, LLC       GS-00F-368GA (513)201-3170 CINCINNATI ,OH s  
BUILDING PEOPLE, LLC, THE GS-00F-237GA (703) 669.2222 EXT. LEESBURG ,VA s/d/8a/h
BURNS ENGINEERING, INC.       47QRAA19D00AF 215-979-7700 PHILADELPHIA ,PA o
BW SPRAGUE CONSULTING SERVICES, INC. 47QRAA19D0018 305-797-8676 TAMPA ,FL s/v
C. H. GUERNSEY & COMPANY 47QRAA19D00DM 405-416-8278 OKLAHOMA CITY ,OK o
C2 TECHNOLOGIES INC 47QRAA18D006A 703-448-7945 VIENNA ,VA o
C4 PLANNING SOLUTIONS, LLC 47QRAA18D006V 706-592-3095 x104 BLYTHE ,GA o  
CACI INC FEDERAL GS-00F-268CA 703-679-3412 CHANTILLY ,VA o
CAE USA MISSION SOLUTIONS INC GS-10F-0310L 757-378-5315 TAMPA ,FL o
CAMBRIDGE INTERNATIONAL SYSTEMS INC.       47QRAA18D005T 5713198919 ARLINGTON ,VA o
CANVAS, INC. GS-10F-0195Y 256-489-2988 HUNTSVILLE ,AL s/w/wo/h
CANYON CONSULTING, LLC 47QRAA18D0065 (949)351-7235 LOS ANGELES ,CA s/w/wo/ew/d  
CAPABILITY ANALYSIS & MEASUREMENT ORGANIZATION LLC 47QRAA20D0048 937-458-3719; X412 BEAVERCREEK ,OH s/dv
CAPITAL PROJECT MANAGEMENT, INC. GS-10F-0021T 267-464-0500 BLUE BELL ,PA s
CARDNO GS, INC. GS-00F-196CA 9165487783 CHARLOTTESVILLE ,VA o
CAS, INC.       GS-00F-200CA 2569716126 HUNTSVILLE ,AL o
CASSIDY CONSULTING GROUP, LLC 47QRAA18D007E (703)980-8928 HERTFORD ,NC s/w/wo/d/h
CATALYST SOLUTIONS, LLC       GS-00F-412GA 540-602-2600 STAFFORD ,VA s/dv/d
CBRE, INC GS-00F-035DA 7039803881 WASHINGTON ,DC o
CDM FEDERAL PROGRAMS CORPORATION GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CENTAURI, LLC GS-23F-0076M 703-674-3112 CHANTILLY ,VA s/v
CENTRA TECHNOLOGY, INC. GS-00F-0020Y 781-272-7892 BURLINGTON ,MA o
CENTURUM INFORMATION TECHNOLOGY, INC. 47QRAA19D00AM 843-609-5649 MARLTON ,NJ o
CEPEDA SYSTEMS & SOFTWARE ANALYSIS, INC.       GS-00F-224GA (256) 428-8186 HUNTSVILLE ,AL s/w/wo/ew/d/h
CERVELLO TECHNOLOGIES, L.L.C. 47QRAA18D003E (727) 303-3001 CLEARWATER ,FL s/dv/d
CFD RESEARCH CORPORATION GS-10F-0184Y 256-361-0801 HUNTSVILLE ,AL s
CFR ENGINEERING CONSULTANTS, INC 47QRAA18D00DC 877.871.4229 GAITHERSBURG ,MD s
CGH TECHNOLOGIES, INC. 47QRAA18D00DD 202-580-7401 WASHINGTON ,DC s/w/wo
CGI FEDERAL INC. GS-00F-302CA (703) 227-4882 FAIRFAX ,VA o
CHENEGA TECHNICAL INNOVATIONS, LLC 47QRAA19D0096 703-493-9880 CHANTILLY ,VA o
CHEROKEE NATION MANAGEMENT & CONSULTING, L.L.C. GS-00F-302GA 210-323-4113 CATOOSA ,OK s/d/8a
CHEROKEE NATION RED WING, L.L.C. GS-00F-007DA 918-430-3426 TULSA ,OK s/d/h
CHEROKEE NATION TECHNOLOGY SOLUTIONS, L.L.C. GS-00F-330GA 918-430-3407 CATOOSA ,OK o
CHIMERA ENTERPRISES INTERNATIONAL, INCORPORATED       47QRAA18D0034 (443)739-8187 EDGEWOOD ,MD s/dv
CHITRA PRODUCTIONS GS-00F-271CA (757)495-0234 NORFOLK ,VA s/w/wo/ew/d/h  
CIMARRON SOFTWARE SERVICES, INC.       47QRAA19D004Y 2812265180 HOUSTON ,TX s/w/wo
CINNOVAS DEVELOPMENT GROUP, LLC GS-10F-0248Y (202) 469-3446 WASHINGTON ,DC s/d/h
CINTEL, INC. GS-00F-268GA 256-213-1600 EXT. 10 HUNTSVILLE ,AL s
CITRINE ENERGY LLC 47QRAA19D008Z (720)272-1253 DENVER ,CO s/h    
CIVIL DESIGN & ENGINEERING INC GS-10F-263AA (928) 522-9287 FLAGSTAFF ,AZ s/w/wo/d
CLASON POINT PARTNERS INC.       47QRAA20D001W 914-377-0301 YONKERS ,NY s/d/8a
CLIENT SOLUTION ARCHITECTS LLC GS-10F-0051T 619-813-2906 MECHANICSBURG ,PA o
CMT SERVICES, INC. 47QRAA19D008U 301-322-7860 HYATTSVILLE ,MD s/w/wo/h
CNA CORPORATION, THE 47QRAA18D003X 7038242082 ARLINGTON ,VA o
COASPIRE, LLC 47QRAA20D0037 703-277-7716 FAIRFAX ,VA s/dv
COAST AND HARBOR ASSOCIATES, INCORPORATED GS-10F-0013U 781-224-3870 LYNNFIELD ,MA s/w/d/8a
COGENT SECURITY CONSULTING LLC GS-00F-301DA (855) 226-4368 X1 ARLINGTON ,VA s
COLSA CORPORATION GS-00F-293CA 2569645276 HUNTSVILLE ,AL o
COLUMBIA GROUP, INC, THE GS-00F-201CA 2026088415 WASHINGTON ,DC s
COMPUTER SERVANTS, INC.       GS-23F-0059S (850)251-4784 TALLAHASSEE ,FL s/w/wo
COMPUTERCRAFT CORPORATION GS-00F-262GA 571-266-3362 WASHINGTON ,DC s/w/wo
CONCOURSE FEDERAL GROUP, LLC GS-00F-058GA 3018026262 ALEXANDRIA ,VA s/dv/d/h
CONCURRENT TECHNOLOGIES CORPORATION GS-00F-0072M 814-269-6576 JOHNSTOWN ,PA o
CONSTRUCTION SUPPORT SOLUTIONS, LLC GS-10F-106BA 440-541-6642 AVON LAKE ,OH s/w/wo
CONSTRUCTION-CAD SOLUTIONS, INCORPORATED 47QRAA19D000X (630)908-3400 WILLOWBROOK ,IL s/d    
CONTRACT SOLUTIONS LLC GS-00F-285CA 703-855-7980 PAWLEYS ISLAND ,SC s
COOPER ZIETZ ENGINEERS, INC GS-10F-0337T 503-253-5429 PORTLAND ,OR s/v/d/h
CORNERSTONE CONCILIUM, INC GS-00F-0007S (415)705-7800 SAN FRANCISCO ,CA s/d
CORNERSTONE SIGNALS & CYBER TECHNOLOGIES LLC       47QRAA19D0003 720-206-6718 CHRISTOVAL ,TX s/w/wo/ew/dv/d
CORNFORTH CONSULTANTS, INC. 47QRAA20D007K 503-452-1100 PORTLAND ,OR s
CORPORATE ALLOCATION SVCS, INC. GS-10F-0311U 303-920-7264 WESTMINSTER ,CO s/w/d/8a
CORTEK, INC. GS-10F-0330X 703-430-8809 FREDERICKSBURG ,VA s/dv
CORTINA SOLUTIONS, LLC GS-00F-205DA 256-319-2024 HUNTSVILLE ,AL s/w/wo/ew/h
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CREATIVE CORRECTIONS, L.L.C. GS-00F-013AA 409-866-9920 BEAUMONT ,TX s/dv
CREDENCE MANAGEMENT SOLUTIONS LIMITED LIABILITY COMPANY GS-10F-0432Y 571-395-8820 VIENNA ,VA s/d/8a
CROSSFLOW TECHNOLOGIES, INC 47QRAA18D008D 2566533180 ALBERTVILLE ,AL s
CROSSROADS SOLUTIONS LP       47QRAA20D005T 2566831939 KILLEN ,AL s
CROSSTEK SOLUTIONS, LLC GS-00F-230GA 334-467-6860 VICKSBURG ,MS s
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CRUZ ASSOCIATES INC. GS-10F-0379U 757-833-7538 YORKTOWN ,VA s
CSRA LLC GS-00F-313CA (571)446-5340 FALLS CHURCH ,VA o
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DAMA CONSULTANTS, INC 47QRAA19D0037 (815)979-4407 CHICAGO ,IL s/d/8a/h    
DARKBLADE SYSTEMS CORPORATION GS-00F-012GA (703)409-9439 WINCHESTER ,VA s/dv    
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DECIBEL RESEARCH, INC GS-10F-0029Y 2564896193 HUNTSVILLE ,AL s
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ELEVAN LLC GS-00F-051DA 2108079981 SAN ANTONIO ,TX s/w/wo/ew/d
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FREEDOM TECHNOLOGIES INC GS-00F-013CA 703-516-3023 ARLINGTON ,VA s/w/wo
FREW DEVELOPMENT GROUP, LLC 47QRAA20D004W 303-333-1788 DENVER ,CO s
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GBL SYSTEMS CORPORATION 47QRAA19D007F 805-987-4345 CAMARILLO ,CA s
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GENEX SYSTEMS LLC GS-00F-076GA 757-838-5065 NEWPORT NEWS ,VA s/w/wo/d
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GILBANE BUILDING COMPANY GS-23F-0024R 703-312-7246 PROVIDENCE ,RI o
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IRONARCH TECHNOLOGY LLC 47QRAA19D0043 7039428868 MCLEAN ,VA s/dv
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IRONMOUNTAIN SOLUTIONS, INC. GS-10F-0390Y 256-428-1922 HUNTSVILLE ,AL s/dv
ISHPI INFORMATION TECHNOLOGIES, INC. 47QRAA18D003S 8433526868 SUFFOLK ,VA o
ISPA TECHNOLOGY, LLC GS-00F-232GA 703-822-1862 LITHIA ,FL s
ISSAC CORP GS-10F-0233Y 719-725-6904 COLORADO SPRINGS ,CO s/dv
ITEGRITY, INC.       47QSWA20D0049 2022712292 SILVER SPRING ,MD s/d/8a
ITSC SECURE SOLUTIONS, LLC GS-00F-065GA 3016463206 FAIRFAX ,VA s/w/wo/h
J-DOS INTERNATIONALE, INC. 47QRAA20D0046 888-887-6892 WASHINGTON ,DC s/w/wo/ew/d
J.G. MANAGEMENT SYSTEMS, INC. GS-00F-0014Y 970-254-1354 GRAND JUNCTION ,CO s/d/8a
JACKSON AND TULL, CHARTERED ENGINEERS       47QRAA18D00DJ 2405537005 WASHINGTON ,DC s/d
JACOBS ENGINEERING GROUP INC. GS-00F-0025M (571) 218-1304 ARLINGTON ,VA o
JACOBS TECHNOLOGY INC. GS-00F-038CA 931-455-6400 TULLAHOMA ,TN o
JAKTOOL LLC GS-00F-369GA (609)664-2451 CRANBURY ,NJ s/w/wo/d  
JANUS RESEARCH GROUP, LLC GS-00F-310CA 7063649100 EVANS ,GA o
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JBS SOLUTIONS INC GS-00F-240GA 256-655-7300 HUNTSVILLE ,AL s/w/wo/ew/d/h
JDI GROUP, INC., THE       47QRAA20D002C 419-725-7161 MAUMEE ,OH s/d
JENSEN HUGHES, INC. GS-00F-006CA 925-208-0943 BALTIMORE ,MD o
JJR SOLUTIONS, LLC GS-00F-146GA 9379120288 DAYTON ,OH s/dv
JMA SOLUTIONS LLC 47QRAA18D00GC 202-465-8245 WASHINGTON ,DC o
JMS NAVAL ARCHITECTS, LLC       GS-10F-0181V 860-536-0009 MYSTIC ,CT s/v
JOHN H NORTHROP & ASSOCIATES INC GS-10F-0168T (814) 823-3648 CLIFTON ,VA s/dv
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JOINT RESEARCH AND DEVELOPMENT, INC. GS-10F-0093T 804-965-1561 STAFFORD ,VA s/dv
JOINT VENTURE SOLUTIONS (JVS) LLC GS-00F-099GA 4432800698 MILLERSVILLE ,MD s/dv
JONES & CARTER, INC. 47QRAA20D003D 7137775337 BELLAIRE ,TX o
JONES, JAMES V. GS-10F-0450Y 9492939724 LAGUNA WOODS ,CA s/v
JOVIAN SOFTWARE CONSULTING LLC       47QRAA20D004T (616) 920 0458 GRAND RAPIDS ,MI s/w/wo/d
K2 GROUP, INC. 47QTCA19D00FZ 5714212070 VIENNA ,VA s/dv
KAE CONSULTANTS, INC. GS-00F-052GA (847)605-0080 SCHAUMBURG ,IL s/w    
KAL ARCHITECTS, INC. GS-00F-137GA 9494508420 IRVINE ,CA s/w/wo/ew/d
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KBM ENTERPRISES, INC.       GS-23F-0001R 9314689233 HUNTSVILLE ,AL s/w/wo
KCM CONSULTING, LLC 47QRAA18D000F (210)331-7600 SAN ANTONIO ,TX s    
KELLER-BLIESNER ENGINEERING, LLC       47QRAA18D004Q (435)753-5651 LOGAN ,UT s  
KEMSYSTEK, LLC 47QRAA20D0047 732-571-6400 ALEXANDRIA ,VA s/w/wo/dv/d
KENIFIC GROUP INC, THE 47QRAA19D00C7 571-363-4002 FAIRFAX ,VA s/d
KENJYA-TRUSANT GROUP, LLC, THE GS-00F-137DA 410-740-4045 COLUMBIA ,MD s/dv
KENNINGTON & GUNENC, LLC GS-00F-441GA 202-439-8657 WASHINGTON ,DC s/w/wo
KENTCO CORPORATION 47QRAA20D000S 571-665-4199 HERNDON ,VA s/dv
KEVILLE ENTERPRISES, INC GS-23F-0235S 904 813-6558 MARSHFIELD ,MA s/w
KEYW CORPORATION, THE GS-00F-001DA 703-889-1392 HANOVER ,MD o
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KINETIC METRICS, LLC 47QRAA20D000K 7036476221 ALEXANDRIA ,VA s/d/8a
KMEA 47QRAA20D006G 619-787-0515 NATIONAL CITY ,CA o
KNIGHTO, LLC 47QRAA20D000N 703-779-0900 LEESBURG ,VA s/dv/d/h
KNOWESIS, INC. GS-10F-0165W 703-906-4099 SAN ANTONIO ,TX o
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KOKUA SUPPORT SERVICES CORPORATION 47QRAA19D0012 757-243-8462 NEWPORT NEWS ,VA s/d
KORD TECHNOLOGIES, LLC GS-10F-0087Y (256)489-2346 HUNTSVILLE ,AL o  
KRAMER CONSULTING SERVICES, PC 47QRAA19D001M 2023399000 WASHINGTON ,DC s
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LELAND SAYLOR ASSOCIATES INC 47QRAA19D00AZ 415-291-4930 WALNUT CREEK ,CA s/dv
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LINC RESEARCH, INC 47QRAA20D008M 2565365157 HUNTSVILLE ,AL s/h
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LINQUEST CORPORATION GS-23F-0113S 323-924-1587 LOS ANGELES ,CA o
LJB INC GS-00F-049CA (937) 259-5146 MIAMISBURG ,OH o
LOCH HARBOUR GROUP, INC. 47QRAA19D005R 703-642-2380 ALEXANDRIA ,VA o
LOCKHEED MARTIN CORPORATION GS-23F-0150S (757)752-1157 KING OF PRUSSIA ,PA o  
LOCKWOOD GROUP LLC, THE GS-00F-349GA 443-327-7174 BELCAMP ,MD s/dv
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LOGAPPS LLC GS-10F-011CA (703) 560/8828 FALLS CHURCH ,VA s/v/d/8a
LOGICORE CORPORATION GS-00F-228CA 2565335789 HUNTSVILLE ,AL s/w
LOGISTICS & ENVIRONMENTAL SOLUTIONS CORPORATION 47QRAA19D00CX 256-971-7165 HUNTSVILLE ,AL s/w/wo
LOGISTICS MANAGEMENT ENGINEERING INC       GS-00F-069CA 410-757-6319 ANNAPOLIS ,MD s
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LOGLINEAR GROUP, LLC GS-00F-257DA 1-228-238-1496 WAVELAND ,MS s
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LOYAL SOURCE GOVERNMENT SERVICES LLC 47QRAA18D008T 407-591-3088 ORLANDO ,FL o
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LSINC CORPORATION 47QRAA18D00BC (937)505-3031 HUNTSVILLE ,AL s/w/wo/ew    
LYNCH CONSULTANTS, LLC GS-00F-118DA (540)834-3490 ARLINGTON ,VA s/dv    
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MCLAUGHLIN RESEARCH CORPORATION       GS-23F-0077M 401-849-4010 NEW LONDON ,CT s
MCR FEDERAL, LLC GS-00F-123CA 703.740.2237 MCLEAN ,VA s
ME AUTOMATION, LLC 47QRAA20D008Y 480-688-4112 SCOTTSDALE ,AZ s/d
MEAD AND HUNT, INC. GS-00F-230DA 888-364-7272 MIDDLETON ,WI o
MEARSCPM, LLC 47QRAA19D0011 503-680-3792 PORTLAND ,OR s/v
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MICHAEL K. SWIM, CONSULTING ENGINEER, INC       47QRAA18D00DF (636) 530-7770 CHESTERFIELD ,MO s
MICROCOM DESIGN, INC. GS-10F-0213W 410-771-1070 COCKEYSVILLE ,MD s
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MILLENNIUM CORPORATION GS-10F-0141W 703-436-1346 ARLINGTON ,VA s/dv/d
MILLENNIUM ENGINEERING AND INTEGRATION COMPANY       47QRAA20D0092 7034137765 ARLINGTON ,VA s/v
MILVIAN SOLUTIONS, LLC       47QRAA18D008C (915)892-4585 EL PASO ,TX s/dv/d  
MINDMESH INC 47QRAA19D004B 713-489-7798 HOUSTON ,TX s/w/wo/8a
MINO MARINE, L.L.C. GS-00F-249GA 504-218-8162 JEFFERSON ,LA s
MIRACORP, INC. GS-10F-233AA 571-589-8970 MESA ,AZ s/w/wo/ew/dv/d
MISSION1ST GROUP, INC GS-10F-102BA 6095201900 ARLINGTON ,VA o
MISSIONFOCUS LLC GS-10F-149AA 703-291-6721 ALEXANDRIA ,VA s
MLT SYSTEMS LLC GS-10F-0168W 5403186383 STAFFORD ,VA s/dv
MOBIUS CONSULTING, LLC GS-00F-088GA 571-402-4012 ALEXANDRIA ,VA s/w/wo/ew/h
MOCA SYSTEMS, INC. GS-00F-255CA 850-389-8121 BOSTON ,MA s
MODERN TECHNOLOGY SOLUTIONS, INC.       47QRAA20D0036 703-564-3824 ALEXANDRIA ,VA s
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MONTE SANO RESEARCH CORPORATION       47QRAA18D006B 2567053527 HUNTSVILLE ,AL s
MORSECORP, INC 47QRAA18D00A1 8579990420 CAMBRIDGE ,MA s
MPR ASSOCIATES, INC. 47QRAA19D0078 703-519-0200 ALEXANDRIA ,VA o
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MTI SYSTEMS, INC. GS-00F-007BA 518-894-2538 GREENBELT ,MD s/w/wo/d
NANORACKS, LLC 47QRAA18D004R (832)632-7754 WEBSTER ,TX s  
NAVARRO RESEARCH AND ENGINEERING, INC. GS-00F-0092N 8652209650 OAK RIDGE ,TN s/w/wo/d
NAVIGATE BUILDING SOLUTIONS LLC 47QRAA19D002F 314-713-6205 SAINT LOUIS ,MO s
NAVIGATOR DEVELOPMENT GROUP, INC.       GS-00F-0044N 334-347-7612 ENTERPRISE ,AL s/dv
NAVIGATOR INTERNATIONAL, LLC GS-00F-393GA 334-348-1550 HUNTSVILLE ,AL s/dv
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NDI ENGINEERING COMPANY GS-23F-0161M 856-848-0033 THOROFARE ,NJ s
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NETCENTRIC TECHNOLOGY, LLC 47QRAA19D00AU 703-478-2650 WALL ,NJ s/d
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NEXAGEN NETWORKS INC GS-00F-066GA 732-598-1277 MORGANVILLE ,NJ s/w/d
NICHOLS CONSULTING ENGINEERS, CHTD. 47QRAA18D008A 7753294955 RENO ,NV s
NIKA TECHNOLOGIES, INC. GS-23F-0010R 3017703520 ROCKVILLE ,MD s/d
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NLT CORPORATION GS-00F-098DA (703)912-3130 SPRINGFIELD ,VA s/d
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NOETIC STRATEGIES, INC. 47QRAA18D00H6 2563471560 HUNTSVILLE ,AL s/w/wo/ew/d/h
NORTHINGTON CONSULTING, LLC       47QRAA18D0083 (256) 651-3333 BIRMINGHAM ,AL s/dv
NORTHROP GRUMMAN SYSTEMS CORPORATION GS-00F-128CA 703-713-4586 MCLEAN ,VA o
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NTA, INC. GS-10F-0132W (256) 327-4103 HUNTSVILLE ,AL s
NTT DATA SERVICES FEDERAL GOVERNMENT LLC       47QRAA19D0069 703-289-8161 HERNDON ,VA o
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OCH TECHNOLOGIES, LLC 47QRAA19D005Q 7038643479 LEESBURG ,VA s/d/8a
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OCMI INC 47QRAA18D008M 9494762094 IRVINE ,CA s/dv/d
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OHIO TECHNOLOGY CLEARINGHOUSE, INCORPORATED GS-10F-0038W 2564892623 HUNTSVILLE ,AL s
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ONEIDA TOTAL INTEGRATED ENTERPRISES, LLC 47QRAA20D009B (414)607-6767 MILWAUKEE ,WI s/d    
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OUTFIT INC., THE       47QRAA18D00EL 830-632-6429 NEW BRAUNFELS ,TX s/w/wo
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PD SYSTEMS, INC. GS-00F-331CA 7037787694 SPRINGFIELD ,VA o
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PEREGRINE TECHNICAL SOLUTIONS, LLC 47QRAA18D0016 757-234-6664 YORKTOWN ,VA s/d/8a
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PLANATE MANAGEMENT GROUP LLC GS-23F-058AA 703-585-1079 ALEXANDRIA ,VA s/dv
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PREFERRED PROGRAM SOLUTIONS INC 47QRAA18D009S 256-350-5983 MADISON ,AL s/dv
PRESCIENT EDGE CORPORATION 47QRAA18D00CU 202-557-1589 MC LEAN ,VA s/v
PRETALEN LTD       GS-00F-229GA 4196595914 DAYTON ,OH s/w/wo/d
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PRINTED CIRCUITS CORP. 47QRAA20D007N 770-638-8658 LILBURN ,GA s/d
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PROJECT SERVICES GROUP, LLC GS-00F-120CA 770-454-0396 SUWANEE ,GA s/d/8a
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PROMODEL CORPORATION GS-00F-421GA 860-608-5389 OREM ,UT s
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PROTECTION STRATEGIES INCORPORATED 47QRAA18D0049 (865) 294-5101 KNOXVILLE ,TN s/dv
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QUANTITATIVE SCIENTIFIC SOLUTIONS, LLC 47QRAA19D004D 703-468-1277 ARLINGTON ,VA s
QUANTITECH INC GS-23F-0320N 2567990669 HUNTSVILLE ,AL o
QUANTUM RESEARCH INTERNATIONAL, INC. 47QRAA19D00A9 256-971-1800, X145 HUNTSVILLE ,AL s
QUASARS INCORPORATED       GS-00F-106GA (202) 863-4431 ELLICOTT CITY ,MD s/w/wo
R & B STUDIO LLC GS-00F-355GA (301)509-2092 BETHESDA ,MD s  
R C M TECHNOLOGIES, INC.       47QRAA18D00F0 301-986-1412 PENNSAUKEN ,NJ o
R2C LIMITED LIABILITY COMPANY GS-00F-306GA 256-799-2363 HUNTSVILLE ,AL s/dv
R2T, INC. GS-00F-129GA 7705697038 ATLANTA ,GA s/w/wo/ew/d
R3 STRATEGIC SUPPORT GROUP, INC. GS-10F-0116Y (619) 606-1547 CORONADO ,CA s/dv
RADIANCE TECHNOLOGIES, INC.       47QRAA19D008B 256-489-8960 HUNTSVILLE ,AL s
RADIANCE TECHNOLOGIES, INC.       GS-23F-0147L 256-489-8966 HUNTSVILLE ,AL s
RADIANTBLUE TECHNOLOGIES, INC. GS-10F-0046V 571-521-8840 COLORADO SPRINGS ,CO o
RAYTHEON COMPANY GS-00F-177CA (571) 250-3832 WALTHAM ,MA o
RED CANYON SOFTWARE, INC       GS-00F-044GA 3038640556 DENVER ,CO s/v/h
RED GATE GROUP, LIMITED, THE GS-10F-0262X 7036572777 CHANTILLY ,VA s/dv
REDHORSE CORPORATION       GS-00F-0013Y 619-241-4609 SAN DIEGO ,CA o
REED ENTERPRISE CONSULTING LLC       47QRAA18D00EP 2566040975 HUNTSVILLE ,AL s/dv/h
RESEARCH TRIANGLE INSTITUTE GS-00F-354CA 919-541-6634 RESEARCH TRIANGLE P ,NC o
RESPEC COMPANY, LLC GS-00F-0078N 6053946400 RAPID CITY ,SD o
RHINO FIRE PROTECTION ENGINEERING, PLLC GS-10F-0194Y 7034765034 RESTON ,VA s
RICARDO DEFENSE, INC. GS-10F-0212T 805-882-1884 X110 GOLETA ,CA s
RIGGINS COMPANY, L.C. 47QRAA18D005R 757-826-0525 HAMPTON ,VA s
RIMKUS ANALYTICS, L.L.C. GS-10F-0277Y 713-621-3550 HOUSTON ,TX 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
RIVERSIDE TECHNOLOGY, INC. GS-00F-0026P 9702149419 FORT COLLINS ,CO o
RMA ARCHITECTS, P.S.C. 47QRAA19D009A 787-749-1960 SAN JUAN ,PR s/w/wo/d
ROBERT AND COMPANY GS-00F-210GA 4045774000 ATLANTA ,GA s/dv
ROCK ENGINEERING LLC       GS-00F-319GA (860) 841-7106 SOUTH WINDSOR ,CT s
ROCKWOOD COMPANY LLC 47QRAA18D0018 202-841-6634 WASHINGTON ,DC s/w/wo
ROUNDTABLE DEFENSE, LLC GS-10F-0231Y (540)379-6707 FREDERICKSBURG ,VA s/dv  
S&ME, INC. GS-10F-0259X (407) 975-1273 RALEIGH ,NC o
S2 ANALYTICAL SOLUTIONS, LLC 47QRAA19D006L 571-306-0715 HERNDON ,VA s/v
S5 SOLUTIONS, INC. 47QRAA19D00CT (425)232-6277 MUKILTEO ,WA s
SA TECHNICAL SERVICES, INC. 47QRAA19D00BL (850)613-6085 NICEVILLE ,FL s/dv
SAALEX CORP GS-00F-110DA (321)848-0340 CAMARILLO ,CA s/dv/d  
SABRE SYSTEMS, INC. GS-00F-178CA 215-347-1458 WARRINGTON ,PA o
SAIN ENGINEERING ASSOCIATES, INC. 47QRAA20D000V 205-909-4990 BIRMINGHAM ,AL s
SAMES, INC. GS-00F-298GA 956-702-8880 MCALLEN ,TX s/d/8a/h
SAMS CONTRACTING CONSULTING AND TRAINING LLC GS-00F-309DA (210)788-1034 SAN ANTONIO ,TX s/dv/d  
SAVILLS INC. GS-00F-165CA 202-624-8540 WASHINGTON ,DC o
SAWDEY SOLUTION SERVICES, INC. 47QRAA18D00AL 9374904071 BEAVERCREEK ,OH o
SAYRES AND ASSOCIATES CORPORATION GS-00F-027CA 202-355-0922 WASHINGTON ,DC o
SCAVET TECHNOLOGIES LLC GS-10F-087BA 856-218-9496 BLACKWOOD ,NJ s/dv
SCHAFER GOVERNMENT SERVICES, LLC 47QRAA19D0021 7577636612 ARLINGTON ,VA o
SCIENCE AND TECHNOLOGY ASSOCIATES, INC.       47QRAA19D0082 703-522-5123 ARLINGTON ,VA s
SCIENCE AND TECHNOLOGY CORPORATION GS-23F-0184L 757-766-5819 HAMPTON ,VA s
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION GS-00F-002CA 703-676-8723 RESTON ,VA o
SCIENCE SYSTEMS AND APPLICATIONS, INC. GS-23F-0102N 301-867-6316 LANHAM ,MD s
SCIENTIFIC & BIOMEDICAL MICROSYSTEMS, LLC GS-10F-0497X (410) 766-4700 GLEN BURNIE ,MD s/w
SCIENTIFIC RESEARCH CORPORATION GS-23F-0125L 770-989-9447 ATLANTA ,GA o
SCITECH SERVICES, INC. GS-02F-0259X (443) 303-3249 HAVRE DE GRACE ,MD s
SDS INTERNATIONAL, INC. GS-00F-0077M 540-424-5926 FREDERICKSBURG ,VA s/dv
SEI GROUP, INC. 47QRAA19D001U 256-533-0500 HUNTSVILLE ,AL o
SELECTTECH SERVICES CORPORATION GS-23F-0283L 9374389905 CENTERVILLE ,OH s/w/wo
SELF TECHNOLOGIES, INC.       47QRAA19D001D 256-535-9517 OWENS CROSS ROADS ,AL s/w/wo
SEMPER VALENS SOLUTIONS, INC. 47QTCA19D00DW 941-716-7883 CANYON LAKE ,TX s/dv
SENSOR CONCEPTS AND APPLICATIONS, INC. GS-10F-0240Y 4439558899 GLEN ARM ,MD s/w/wo
SENTAR, INC.       GS-10F-095AA 256-430-0860 HUNTSVILLE ,AL s/w/wo
SENTINEL CONSULTING, LLC 47QRAA20D005P 888-793-9380 NEW YORK ,NY s/d
SERCO INC. GS-00F-193CA 703.263.6000 HERNDON ,VA o
SERES ENGINEERING & SERVICES LLC 47QRAA18D00ES (843) 216-8531 CHARLESTON ,SC s/d/8a
SERVO INNOVATIONS, LLC 47QRAA19D00B3 269-792-9279 WAYLAND ,MI s
SETTY & ASSOCIATES, LTD. GS-23F-0111S 703-691-2115 FAIRFAX ,VA s/d
SEV1TECH INC       GS-10F-0008V 571-375-1426 WOODBRIDGE ,VA o
SEVAN MULTI-SITE SOLUTIONS LLC 47QRAA18D0072 (708)670-9966 DOWNERS GROVE ,IL s/v  
SEVATEC INC. GS-10F-0142W 571-766-1300 FAIRFAX ,VA o
SEVENTH SENSE CONSULTING, LLC GS-00F-102GA 5712416331 WOODBRIDGE ,VA s/dv/d/8a
SHAPEFIDELITY, INC.       GS-00F-284GA 2562137841 HUNTSVILLE ,AL s/w/wo
SHARMA & ASSOCIATES INC       GS-10F-0027T (630)655-4630 HINSDALE ,IL s/d  
SIGMA SCIENCE, INC. 47QRAA18D005Q 505-389-2205 ALBUQUERQUE ,NM s/d/8a
SIGMA SPACE LLC GS-00F-175GA 301-552-6027 LANHAM ,MD o
SIGMARIVER INC. 47QRAA18D00GH 6107934390 FRONT ROYAL ,VA s/dv
SIGMATECH, INC. GS-00F-060CA 256-319-9212 HUNTSVILLE ,AL s
SIGNALINK, INC GS-00F-038GA 256-715-6744 MADISON ,AL s/w/wo/v
SIGNATURE SCIENCE, LLC GS-00F-105CA (877) 474-4724 AUSTIN ,TX o
SIGNATURE SOLUTIONS, INC.       GS-00F-207GA 2565081961 HUNTSVILLE ,AL s
SIMULATION TECHNOLOGIES, INC.       GS-10F-100BA 256-428-2904 HUNTSVILLE ,AL s/wo
SIRIS LLC 47QRAA19D00CA 8439013540 MOUNT PLEASANT ,SC s/dv/d
SJH ENGINEERING PC GS-10F-0477X 7323290500 PRINCETON ,NJ s/d
SKANSKA USA BUILDING INC. GS-00F-332GA (540)423-2860 ROCKVILLE ,MD o  
SKJEI TELECOM, INC. GS-23F-0286P 703-917-9882 FALLS CHURCH ,VA s
SOBRAN, INC. GS-00F-220CA 703-352-9511 DAYTON ,OH o
SOL ENGINEERING SERVICES, LLC GS-00F-223GA 601-961-1415 JACKSON ,MS s/d/h
SOLERS INC. 47QRAA19D001B 7035260001 ARLINGTON ,VA s
SONALYSTS, INC.       GS-00F-351CA 860-326-3652 WATERFORD ,CT o
SOUTHERN RESEARCH INSTITUTE GS-10F-0185Y 2055812873 BIRMINGHAM ,AL o
SOUTHWEST RESEARCH INSTITUTE GS-23F-0006M 210-522-2238 SAN ANTONIO ,TX o
SPAARK, INC       47QTCA20D00D0 7176582429 CHAMBERSBURG ,PA s/w/wo/ew/h
SPACE METRICS, INC.       GS-00F-299GA 202-860-0004 WASHINGTON ,DC s/d
SPACE SYSTEMS INTEGRATION, LLC 47QRAA20D001A (703)380-9376 GREAT FALLS ,VA s    
SPACEFLIGHT, INC GS-00F-036DA 866-204-1707 SEATTLE ,WA s
SPECIAL AEROSPACE SERVICES GS-10F-0456X 303-747-3413 BOULDER ,CO s/w/wo/ew/d/8a
SPECTRA TECH, INC. GS-00F-264CA 865-813-2131 OAK RIDGE ,TN s
SPECTRUM CENTER GOVERNMENT SERVICES, LLC 47QRAA19D001F 703-752-0462 MCLEAN ,VA s/w/wo
SPECTRUM COMM INC. GS-00F-318CA 7572247500 NEWPORT NEWS ,VA o
SPECTRUM INC 47QRAA18D00F5 865-806-7577 OAK RIDGE ,TN s/v/d
SPORIAN MICROSYSTEMS INC       47QRAA18D00BN 303-516-9075 LAFAYETTE ,CO s
SRA INTERNATIONAL, INC. GS-00F-256CA 571.446.4017 CHANTILLY ,VA o
SRC, INC. 47QRAA19D005N 315-452-8594 NORTH SYRACUSE ,NY o
SSFM INTERNATIONAL, INC       47QRAA18D00ET 808-531-1308 HONOLULU ,HI s
SSOE, INC. GS-00F-006AA (419)255-3830 TOLEDO ,OH o  
STANTEC CONSULTING SERVICES INC. 47QRAA19D000Q 916-418-8338 BROOMFIELD ,CO o
STANTON ENGINEERING SERVICES LLC 47QRAA18D0078 (410)290-9301 COLUMBIA ,MD s  
STARGATES, INC. GS-00F-0033Y 703-465-7955 ARLINGTON ,VA s/w/wo/ew
STELLAR SOLUTIONS, INC. 47QRAA18D00FQ 650-473-9866 PALO ALTO ,CA o
STEMBOARD, LLC 47QRAA20D0039 703-884-2121 ARLINGTON ,VA s/w/wo/ew/d/8a
STG, INC. GS-00F-234CA 703-774-1790 RESTON ,VA o
STR CONSULTING       GS-10F-0457X 3122424159 CHICAGO ,IL s
STRATA G, LLC GS-00F-004CA 8659343400 KNOXVILLE ,TN o
STRATA-G SOLUTIONS, LLC GS-10F-0287W 2567054316 HUNTSVILLE ,AL s/d
STRATAGEM SOLUTIONS, INCORPORATED 47QRAA20D004V 2569198208 HUNTSVILLE ,AL s/v
STRATEGIC ALLIANCE BUSINESS GROUP LLC GS-10F-0316P 703-717-5620 FAIRFAX ,VA s/w/wo/ew/dv
STRATEGIC ALLIANCE CONSULTING INC. GS-00F-372GA 703-224-8880 WARRENTON ,VA s/dv
STRATEGIC ANALYSIS, INC. GS-00F-342CA 703-797-2288 ARLINGTON ,VA o
STRATEGIC MANAGEMENT SOLUTIONS, LLC 47QRAA19D008M 505-907-6593 ALBUQUERQUE ,NM s
STRATEGIC TECHNOLOGY INSTITUTE INC GS-00F-164CA 3017707077 ROCKVILLE ,MD s/d
STRATEGIC VENTURES CONSULTING GROUP, LLC GS-00F-071GA 703-634-3673 FALLS CHURCH ,VA s/dv
STRATITIA INC. 47QRAA19D006J 210-461-8192 SPRINGFIELD ,VA s
STREET LEGAL INDUSTRIES, INC 47QRAA19D00A7 865-483-6373 OAK RIDGE ,TN s/w/wo/ew/d/8a/h
STUDDIFORD TECHNICAL SOLUTIONS, LLC 47QRAA20D006Y (203)206-0533 ALEXANDRIA ,VA s    
SUMMER CONSULTANTS INC GS-10F-0230Y 7035568820 MCLEAN ,VA s
SUMMIT TECHNICAL SOLUTIONS LLC GS-10F-0347T (719)309-6312 COLORADO SPRINGS ,CO s/w/wo/v  
SURVICE ENGINEERING COMPANY, LLC, THE       GS-23F-0012M 410-273-7722 BELCAMP ,MD o
SUSQUEHANNA VALLEY ENGINEERING GROUP, INC. 47QRAA18D003V 717-885-5532 DALLASTOWN ,PA s
SUTHERTON, INC. 47QRAA19D006Z (914)235-9300 NEW ROCHELLE ,NY s    
SYMVIONICS, INC GS-23F-0357N 626-305-1400 X 228 ARCADIA ,CA s
SYNEREN TECHNOLOGIES, CORPORATION 47QRAA18D005W 3018300529 ARLINGTON ,VA s/w/wo/ew/d
SYNERGISTICS, INC. 47QRAA19D000Y (800) 875-7921 KENNEWICK ,WA s/d
SYNERGY BUSINESS INNOVATION & SOLUTIONS INC. 47QRAA19D0042 571-375-7723 RESTON ,VA s/d/8a
SYNTEK TECHNOLOGIES INC.       47QRAA20D009C (703)525-3403 FAIRFAX ,VA s/w/wo    
SYSTEM DYNAMICS INTERNATIONAL INCORPORATED GS-23F-0033P 256-895-7153 HUNTSVILLE ,AL