GSA Federal Acquisition Service
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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.
811 contractors

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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 865-671-5837 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 256-461-8063 MADISON ,AL s/w/wo
ACE AERONAUTICS, LLC 47QRAA20D006L (256)705-0250 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 OXON HILL ,MD s/dv/d
ADVANCED CONCEPTS AND TECHNOLOGIES INTERNATIONAL, LLC GS-10F-0336L 254-776-9511 WACO ,TX s
ADVANCED CORE CONCEPTS, LLC GS-00F-0005U 404-902-6301 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  
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, INC., THE GS-10F-0019U 256-922-0802 HUNTSVILLE ,AL s
AERIAL PRODUCTIONS INTERNATIONAL, INC. GS-10F-178AA 520-820-1024 TUCSON ,AZ s
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  
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. GS-23F-0371P 7034350029 HERNDON ,VA s/w/wo
AGEISS INC. 47QRAA19D00BC 720-340-8770 CHEYENNE ,WY 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
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
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
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
AMERICAN SYSTEMS CORPORATION GS-00F-089CA 703-968-5068 CHANTILLY ,VA o
AMERICAN SYSTEMS CORPORATION GS-35F-500CA 70396685068 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)865-0000 HAMPTON ,VA s/d/8a  
ANALYTICAL SERVICES, INC.       GS-00F-020DA 703-478-2650 HUNTSVILLE ,AL s/d
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
ARCHARITHMS, INC. GS-00F-175DA 256-763-8781 HUNTSVILLE ,AL s/h
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
ART ANDERSON ASSOCIATES, INC.       GS-10F-0159U 360-479-5600 BREMERTON ,WA s/v
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
ASU RESEARCH ENTERPRISE 47QRAA18D0082 4809413610 SCOTTSDALE ,AZ 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 813-281-4584 TAMPA ,FL o
ATKINSON AERONAUTICS & TECHNOLOGY, INC. 47QRAA18D009W 540-760-7499 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 X131 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  
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
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) 738-5985 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 s/dv/h
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. 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
BD&Z ASSOCIATES LLC 47QRAA18D002V (202)560-2005 WASHINGTON ,DC s/d/8a  
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 703-780-3601 WASHINGTON ,DC s/d
BLACK DIAMOND CONSULTING CORPORATION GS-00F-292GA 703-434-1886 ASHBURN ,VA s/d
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
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 703-647-6005 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/w/wo/ew/d
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
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 706-592-1520 EXT 143 BLYTHE ,GA o
CAE USA MISSION SOLUTIONS INC GS-10F-0310L 757-224-3716 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 888-316-1697 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
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
CDI MARINE COMPANY 47QRAA19D002E (757) 763-6722 NORFOLK ,VA o
CDM FEDERAL PROGRAMS CORPORATION GS-00F-085CA 303-383-2300 FAIRFAX ,VA 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 727-303-3009 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
CHEROKEE NATION GOVERNMENT SOLUTIONS GS-00F-174CA 303-277-1444 CATOOSA ,OK s
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/8a
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
CHURCHILL CONSULTING ENGINEERS, P.C. GS-00F-324GA (202)480-2903 BERLIN ,NJ s/d  
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 7202721253 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 (703)824-2022 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 s/dv
COLUMBIA GROUP, INC, THE GS-00F-201CA 2026088415 WASHINGTON ,DC o
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
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
CORPORATE ALLOCATION SVCS, INC. GS-10F-0311U 303-920-7264 WESTMINSTER ,CO s/w/d/8a
CORTEK, INC. GS-10F-0330X 540-891-8315 FREDERICKSBURG ,VA s/dv
CORTINA SOLUTIONS, LLC GS-00F-205DA 256-319-2024 HUNTSVILLE ,AL s/w/wo/ew/h
CRAFT DESIGNS, INC.       47QRAA18D00A3 2566500536 HUNTSVILLE ,AL s/w/wo/d
CREATIVE BUSINESS SOLUTIONS, INC.       47QRAA17D0005 202-889-0555 LARGO ,MD s/dv/d/8a/h
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 (256)683-1939 KILLEN ,AL s    
CROSSTEK SOLUTIONS, LLC GS-00F-230GA 334-467-6860 VICKSBURG ,MS s
CROWN CONSULTING, INC. GS-00F-038DA 703-650-0663 ARLINGTON ,VA o
CRS CONSULTING ENGINEERS, INCORPORATED       47QRAA19D004X 1-801-359-5565 SALT LAKE CITY ,UT s/d
CRUZ ASSOCIATES INC. GS-10F-0379U 7578337538 YORKTOWN ,VA s
CSRA LLC GS-00F-313CA (571)446-5340 FALLS CHURCH ,VA o
CULMEN INTERNATIONAL, LLC 47QRAA18D006D 703-224-7000 ALEXANDRIA ,VA o
CURTAIN WALL DESIGN AND CONSULTING, INCORPORATED GS-00F-190GA 972-437-4200 DALLAS ,TX s
CZERO, INC. GS-10F-0081X 9703722732 FORT COLLINS ,CO s
D P ASSOCIATES, INC. GS-10F-0361U 256-837-8300 HUNTSVILLE ,AL s/w/wo/ew/d
D&G SUPPORT SERVICES, LLC GS-00F-131DA 7034033463 WOODBRIDGE ,VA s/dv
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
DATA MONITOR SYSTEMS, INC. GS-10F-0281P 405-737-7950 MIDWEST CITY ,OK s/dv/d/8a
DAV ENERGY SOLUTIONS GS-00F-314GA (619) 356-1147 SAN DIEGO ,CA s/dv
DAVIDSON BROWN, INC. GS-10F-0279X 7573698403 WILLIAMSBURG ,VA s/d/8a
DAVIDSON TECHNOLOGIES, INC. GS-23F-0082L 256-489-0423 HUNTSVILLE ,AL s/w/wo
DAVIS DEFENSE GROUP, INC. GS-10F-0190R 540-548-5950 STAFFORD ,VA o
DAVIS STRATEGIC INNOVATIONS, INC. GS-10F-225BA 256-489-0550 HUNTSVILLE ,AL s/dv
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DCS CORPORATION       GS-23F-0303K 5712276226 ALEXANDRIA ,VA s
DECIBEL RESEARCH, INC GS-10F-0029Y 2564896193 HUNTSVILLE ,AL s
DECISIVE ANALYTICS CORPORATION GS-00F-129CA 703-414-5016 ARLINGTON ,VA o
DEFENSE ACQUISITION SUPPORT SERVICES L.L.C. 47QRAA19D008L 4433033192 LONG BRANCH ,NJ s/w/wo
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DEFINITIVE LOGIC CORPORATION GS-00F-043CA 703-955-4186 ARLINGTON ,VA s
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DELOITTE & TOUCHE LLP GS-00F-029DA 703-251-1642 ARLINGTON ,VA o
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DIGIFLIGHT INCORPORATED GS-00F-195GA (410) 312-0662 COLUMBIA ,MD s/v/d
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DOMAIN X TECHNOLOGIES LLC 47QRAA18D0069 (703)579-1969 FALLS CHURCH ,VA s/w/wo    
DPRA INCORPORATED 47QRAA19D003T (785)564-6041 KNOXVILLE ,TN s
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ENTERPRISE INFORMATION SERVICES, INCORPORATED GS-00F-182CA 7037525527 VIENNA ,VA o
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FIRE & RISK ALLIANCE, LLC 47QRAA18D00CT 301-658-3060 CHICAGO ,IL s/d
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FORD MANAGEMENT SERVICES LTD GS-10F-0019X 3013224006 UPPER MARLBORO ,MD s/w/wo/ew/d
FORELLA GROUP, LLC GS-00F-070DA 7035602200 CHANTILLY ,VA s/d/8a
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FREEDOM TECHNOLOGIES INC GS-00F-013CA 301-802-6897 ARLINGTON ,VA s/w/wo
FREW DEVELOPMENT GROUP, LLC 47QRAA20D004W 303-333-1788 DENVER ,CO s
FS3 INC GS-10F-125BA 714.864.8186 SAN CLEMENTE ,CA s/d
FTS INTERNATIONAL, LLC 47QRAA19D0064 703-225-7660 DULLES ,VA s
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GBL SYSTEMS CORPORATION 47QRAA19D007F 805-987-4345 CAMARILLO ,CA s
GEBC, LLC 47QRAA20D0057 7038956114 OWENS CROSS ROADS ,AL s/dv
GEM TECHNOLOGY INTERNATIONAL, CORP. GS-00F-0001R 305.447.1344 MIAMI ,FL s/w/wo/ew/d
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GENEX SYSTEMS LLC GS-00F-076GA (757)838-5065 NEWPORT NEWS ,VA s/w/wo/d  
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GEOENGINEERS, INC. 47QRAA18D00E3 (425) 861-6000 REDMOND ,WA o
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GET IT DONE (GID) SOLUTIONS LLC GS-00F-282GA (540)455-7204 FREDERICKSBURG ,VA s/dv  
GILBANE BUILDING COMPANY GS-23F-0024R 703-312-7246 PROVIDENCE ,RI o
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GLOBAL C2 INTEGRATION TECHNOLOGIES LLC 47QRAA18D0067 702-333-2345 LAS VEGAS ,NV s/dv
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GLOBAL SYSTEMS ENGINEERING, LLC 47QRAA20D0060 703-915-2338 ALEXANDRIA ,VA s/h
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GOLDBELT C6, LLC 47QRAA19D00CS (757)550-2121 CHESAPEAKE ,VA s/d/8a
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GREENDART, INCORPORATED GS-10F-214AA 3102420032 SAN PEDRO ,CA s/h
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GRYPHON TECHNOLOGIES, L.C. GS-10F-0284Y 757.408.5673 WASHINGTON ,DC o
GSI ENVIRONMENTAL INC. 47QRAA18D009N 5123464474 HOUSTON ,TX o
GUIDEHOUSE LLP GS-00F-045DA 571-245-0304 MCLEAN ,VA o
HANCOCK MANAGEMENT L.L.C. GS-00F-003CA 603-894-5429 DERRY ,NH s/dv
HANSCOMB CONSULTING, INC. 47QRAA18D004N 7037060423 ALEXANDRIA ,VA s/d
HARRIS CORPORATION GS-23F-0058M 321-729-2629 PALM BAY ,FL o
HASSETT & WILLIS ASSOCIATES, LLC GS-10F-0156U 202-290-1911 WASHINGTON ,DC o
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HEBCO, INC. 47QRAA18D00F2 405-672-1461 OKLAHOMA CITY ,OK s/d
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HIGH SIDE TECHNOLOGY LLC 47QTCA20D003B 8435094979 SUMMERVILLE ,SC s
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HUEBER-BREUER CONSTRUCTION CO., INC.       47QRAA18D00H8 3154767917 SYRACUSE ,NY o
HUMANPROOF, LLC       47QRAA18D009H 703-848-7937 ALEXANDRIA ,VA s
HX5,, LLC       GS-00F-225GA 8503626551 FORT WALTON BEACH ,FL s/w/wo/dv
HYPERSOFT INC GS-23F-0165P 6369478862 SAINT CHARLES ,MO s/w/wo
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IDEAL INNOVATIONS INCORPORATED       GS-00F-345CA 571-480-5009 ARLINGTON ,VA s/dv
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INDYNE, INC. GS-23F-0096L 805-606-5954 STERLING ,VA o
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INSIGHT INTERNATIONAL TECHNOLOGY, LLC       47QRAA19D00BE (256) 551-0414 HUNTSVILLE ,AL s/dv/d
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INTELLIGENCE, COMMUNICATIONS AND ENGINEERING, INC GS-00F-0022Y 5204584321 SIERRA VISTA ,AZ o
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INTERACTIVE PROCESS TECHNOLOGY, LLC GS-00F-0002X 781-222-5589 BILLERICA ,MA o
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INTERIOR SYSTEMS, INC. GS-00F-023CA 202-263-0892 FAIRFAX ,VA s/dv
INTERNATIONAL INFORMATION AND INFRASTRUCTURE PROTECTION GROUP, LLC 47QRAA20D004B (210)788-1034 GETTYSBURG ,PA s/h    
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INVARIANT CORPORATION GS-23F-0315P 256-885-9794 HUNTSVILLE ,AL s
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IPARAMETRICS, LLC GS-10F-112CA 770-664-6636 ALPHARETTA ,GA s
IRONARCH TECHNOLOGY LLC 47QRAA19D0043 703-942-5770 MCLEAN ,VA s/dv
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ITSC SECURE SOLUTIONS, LLC GS-00F-065GA 559-719-8040 FAIRFAX ,VA s/w/wo/h
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JBS SOLUTIONS INC GS-00F-240GA 256-655-7300 HUNTSVILLE ,AL s/w/wo/ew/d/h
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JMA SOLUTIONS LLC 47QRAA18D00GC 202-465-8245 WASHINGTON ,DC o
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LEIDOS INNOVATIONS CORPORATION GS-00F-242CA 301-452-5781 GAITHERSBURG ,MD o
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LELAND SAYLOR ASSOCIATES INC 47QRAA19D00AZ 415-291-4930 WALNUT CREEK ,CA s/dv
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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
LOCKWOOD GROUP LLC, THE GS-00F-349GA 443-327-7174 BELCAMP ,MD s/dv
LOGAPPS LLC GS-10F-011CA 7035608828 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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LYNCH CONSULTANTS, LLC GS-00F-118DA 540-834-3490 ARLINGTON ,VA s/dv
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MARINE SYSTEMS CORPORATION 47QRAA19D006B 6175423345 X112 BOSTON ,MA s
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MILLENNIUM CORPORATION GS-10F-0141W 703-436-1346 ARLINGTON ,VA s/dv/d
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NAVIGATE BUILDING SOLUTIONS LLC 47QRAA19D002F 314-713-6205 SAINT LOUIS ,MO s
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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 571-247-8129 MORGANVILLE ,NJ s/w/d
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SPECTRUM COMM INC. GS-00F-318CA 7572247500 NEWPORT NEWS ,VA s/v
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
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 419-249-2606 TOLEDO ,OH 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
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 7032865026 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) 527-5410 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
SUMARIA SYSTEMS, INC. GS-00F-197CA (978)739-4200 DANVERS ,MA 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
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
SYNERGY BUSINESS INNOVATION & SOLUTIONS INC. 47QRAA19D0042 571-375-7723 RESTON ,VA s/d/8a
SYNTEK TECHNOLOGIES INC. GS-23F-0370K (703)525-3403 FAIRFAX ,VA s/w/wo  
SYSTEM DYNAMICS INTERNATIONAL INCORPORATED GS-23F-0033P 256-895-7153 HUNTSVILLE ,AL s/w/wo
SYSTEM STUDIES & SIMULATION, INC 47QRAA19D005Y 256-539-1700 X1117 HUNTSVILLE ,AL s/w/wo
SYSTEMATIC MANAGEMENT SERVICES, INC. GS-00F-241CA 3013530072 FREDERICK ,MD s
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TALSON SOLUTIONS, LLC 47QRAA20D0025 215-592-9634 EXT 102 PHILADELPHIA ,PA s/d
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TAURI GROUP, INC., THE       GS-00F-0006V 571-303-2153 ALEXANDRIA ,VA o
TEAMWORKNET, INC GS-23F-0182R 8633271080 LAKELAND ,FL s
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TEXAS RESEARCH INSTITUTE, AUSTIN, INC. 47QRAA19D0056 512-263-3272 AUSTIN ,TX s
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TRAX INTERNATIONAL CORPORATION       47QRAA19D0072 702-216-4457 LAS VEGAS ,NV o
TRIDENT TECHNOLOGIES, LLC       GS-23F-0157P 256-705-5449 HUNTSVILLE ,AL s/w/wo
TRIDENTIS, PLLC GS-10F-0462Y 5712430870 ALEXANDRIA ,VA s
TRIDEUM CORPORATION GS-10F-0130T 256-704-6112 HUNTSVILLE ,AL s
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TRUSTED KNOWLEDGE OPTIONS INC. 47QRAA18D007U 703-483-0429 CHANTILLY ,VA s/v
TSM CORPORATION GS-00F-284CA 4077308617 RESTON ,VA o
TUBA GROUP, INC. GS-00F-222CA 7034179410 FALLS CHURCH ,VA s/d/8a
TYVAK NANO-SATELLITE SYSTEMS, INC. 47QRAA18D00DG 949-753-1020 IRVINE ,CA s
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UNIVERSAL SOLUTIONS INTERNATIONAL, INCORPORATED 47QRAA19D002G (757) 563-3846 NEWPORT NEWS ,VA s/dv
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UNIVERSAL TECHNOLOGY CORPORATION GS-23F-0240L 937-426-2808 DAYTON ,OH s
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USFALCON, INC. GS-00F-322GA 919.459.1955 CARY ,NC s/dv
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VALI COOPER INTERNATIONAL, LLC GS-10F-0182Y (985) 789-3430 COVINGTON ,LA s/dv
VALI, INC. GS-23F-0037S 2563279304 HUNTSVILLE ,AL s/dv
VALKYRIE ENTERPRISES, LLC 47QRAA18D00DP 7579622545 VIRGINIA BEACH ,VA o
VANA SOLUTIONS LLC       47QRAA18D00E2 937-490-1971 BEAVERCREEK ,OH s/w/wo/ew/d
VAULTES, LLC 47QRAA19D00B1 202-503-9128 ASHBURN ,VA s/v/d
VECTOR RESOURCE, INC       GS-00F-0004U 703-615-1041 ENGLEWOOD ,FL s/w
VECTRUS MISSION SOLUTIONS CORPORATION GS-00F-050CA 719-637-4506 ALEXANDRIA ,VA o
VELOS LLC 47QRAA18D00G6 703-822-5777 PRINCESS ANNE ,MD s/h
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VETERAN ENTERPRISE TECHNOLOGY SERVICES, LLC 47QRAA18D00EU 703-349-7600 ASHBURN ,VA s/dv
VETERANS PROFESSIONAL SERVICES, LLC GS-00F-165GA 2408324143 MIDDLETOWN ,MD s/v
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WARRANT TECHNOLOGIES LLC 47QRAA19D000G 8123616721 BLOOMINGTON ,IN s/dv/d
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WHITNEY, BRADLEY & BROWN INC. GS-00F-297CA 7034486081 RESTON ,VA o
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WPL, INC.       GS-10F-0187X 310-546-4099 MANHATTAN BEACH ,CA s
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YETISPACE, INC. 47QRAA19D001W 2566827645 HUNTSVILLE ,AL s
ZANTECH IT SERVICES, INC. 47QRAA19D004L 7032861393