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.
923 contractors

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Contractor       Contract # Phone City, State Socio-
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3U TECHNOLOGIES, LLC GS-10F-119AA (936)441-3043 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
ACQUIRED DATA SOLUTIONS, INC. GS-00F-228GA 301-984-4193 ROCKVILLE ,MD s
ACQUISITION SYSTEMS ASSOCIATES, INC. 47QRAA19D001V 7039663786 GREAT FALLS ,VA s
ACQUISITION, RESEARCH AND LOGISTICS INC GS-10F-0415X 301-749-1410 LANHAM ,MD s/dv/d
ACTUALIZED BUSINESS SOLUTIONS, INC. 47QRAA20D007J 800-905-6724 CALIFORNIA ,MD s/dv
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 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 706-627-5895 MARTINEZ ,GA s/w/wo/ew/dv/d/8a
AE3 PARTNERS, INC. 47QRAA19D002R 415-233-9991 SAN FRANCISCO ,CA s/d
AECOM TECHNICAL SERVICES, INC. GS-00F-188CA 210-296-2000 LOS ANGELES ,CA o
AEGIS TECHNOLOGIES GROUP, LLC, 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
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
AMENTUM TECHNICAL SERVICES LLC 47QRAA20D006B (803)502-9718 AIKEN ,SC 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 SERVICES & MATERIALS, INC. 47QRAA21D001S (757)865-7093 HAMPTON ,VA s/w/wo    
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 INSIGHT, LLC GS-00F-145GA 703-554-1650 TYSONS ,VA o
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
AREVALOS TRADE COMPANY, LLC 47QRAA21D000L (830)328-0335 SAN ANTONIO ,TX s/d/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
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 7033429859 OAKTON ,VA o
ATA SERVICES INC GS-23F-0088V 866-550-4282 LAKEWOOD ,CO s/v/d
ATI, INC. 47QRAA18D00E9 410-992-3424 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 614-424-3522 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 (202)600-2571 ARLINGTON ,VA 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 703-752-2139 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
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 7574950234 NORFOLK ,VA s/w/wo/ew/d/h
CIMARRON SOFTWARE SERVICES, INC.       47QRAA19D004Y 8324033337 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 303-330-5385 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 7812243870 LYNNFIELD ,MA s/w/d/8a
COGENT SECURITY CONSULTING LLC GS-00F-301DA (855) 226-4368 X1 ALEXANDRIA ,VA s
COLSA CORPORATION GS-00F-293CA 2569645276 HUNTSVILLE ,AL o
COLUMBIA GROUP, INC, THE GS-00F-201CA 2026088415 WASHINGTON ,DC s
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
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
CRAFT DESIGNS, INC.       47QRAA18D00A3 2566500536 HUNTSVILLE ,AL s/w/wo/d
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CREDENCE MANAGEMENT SOLUTIONS LIMITED LIABILITY COMPANY GS-10F-0432Y 571-395-8820 VIENNA ,VA s/d/8a
CROSSFLOW TECHNOLOGIES, INC 47QRAA18D008D 2564253680 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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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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DAV ENERGY SOLUTIONS GS-00F-314GA (619) 356-1147 SAN DIEGO ,CA s/dv
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DECIBEL RESEARCH, INC GS-10F-0029Y 2564896193 HUNTSVILLE ,AL 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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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
JARDON & HOWARD TECHNOLOGIES, INCORPORATED GS-00F-0059M 407-381-7797 ORLANDO ,FL o
JAXON ENGINEERING AND MAINTENANCE, INC.       GS-10F-0447Y 7193552048 COLORADO SPRINGS ,CO s/w
JAY SHAPIRO & ASSOCIATES INC.       GS-10F-0091V (908) 470-0444 FAR HILLS ,NJ s
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
JOHNSON, MIRMIRAN & THOMPSON, INC. GS-00F-194CA 410-329-3100 HUNT VALLEY ,MD o
JOINT RESEARCH AND DEVELOPMENT, INC. GS-10F-0093T 804-965-1561 STAFFORD ,VA s/dv
JOINT VENTURE SOLUTIONS (JVS) LLC GS-00F-099GA 2028700698 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
KALMAN & COMPANY, INC. GS-00F-343CA 757-461-4292 VIRGINIA BEACH ,VA s/w/wo
KARBON ENGINEERING SERVICES, LLC 47QRAA19D00AW (844)470-8802 EDISON ,NJ s    
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
KIHOMAC, INC.       GS-10F-0173T 719-393-5081 RESTON ,VA s/v/d
KIMLEY-HORN AND ASSOCIATES, INC. GS-10F-0501X (919) 677-2000 RALEIGH ,NC o
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 571-421-1101 SAN ANTONIO ,TX o
KODA TECHNOLOGIES INC. 47QRAA19D0081 256-509-2710 HUNTSVILLE ,AL s/w/wo/d
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
L3HARRIS TECHNOLOGIES, INC. GS-23F-0058M 321-729-3887 PALM BAY ,FL o
LANMARK TECHNOLOGY INC.       47QRAA19D006S 703-447-3876 CENTREVILLE ,VA s/w/wo/dv/d
LEIDOS, INC. GS-00F-022CA (571) 526-7305 RESTON ,VA o
LELAND SAYLOR ASSOCIATES INC 47QRAA19D00AZ 415-291-4930 WALNUT CREEK ,CA s/dv
LEONARDO TECHNOLOGIES, INC.       47QRAA21D000U 7409682222X104 SAINT CLAIRSVILLE ,OH s
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LINC RESEARCH, INC 47QRAA20D008M 2565365157 HUNTSVILLE ,AL s/h
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LINK TECHNOLOGIES INC 47QRAA20D0096 301-983-6878 GERMANTOWN ,MD s/w/wo
LINQUEST CORPORATION GS-23F-0113S 323-924-1600 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
LOEWKE BRILL CONSULTING GROUP, INC. 47QRAA20D0019 (585)647-9350 ROCHESTER ,NY s    
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
LONGENECKER & ASSOCIATES, INC. GS-00F-258CA 301-651-6951 LAS VEGAS ,NV o
LOYAL SOURCE GOVERNMENT SERVICES LLC 47QRAA18D008T 407-591-3088 ORLANDO ,FL o
LRS FEDERAL LLC GS-10F-0360T (410) 544-3570 SEVERNA PARK ,MD s/dv
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
LYNKER TECHNOLOGIES LLC GS-00F-125CA 7034315855 LEESBURG ,VA o
M.C. DEAN, INC. 47QSWA19D002W 703-243-6231 X7143 TYSONS ,VA o
MACAULAY-BROWN, INC GS-00F-063CA 937-490-4445 DAYTON ,OH o
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MARINE SYSTEMS CORPORATION 47QRAA19D006B 6175423345 X112 BOSTON ,MA s
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MASON LIVESAY SCIENTIFIC, LLC 47QRAA19D00AJ 865-294-4368 OAK RIDGE ,TN s/w/wo/d
MATRIX DESIGN GROUP, INC. 47QRAA19D009K 5719690495 COLORADO SPRINGS ,CO o
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MCCONNELL JONES LANIER & MURPHY LLP GS-10F-0117U 2568901855 HOUSTON ,TX s/d/8a
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MCHENRY MANAGEMENT GROUP, INC., THE GS-10F-0239U 7574100233 CHESAPEAKE ,VA s/v
MCKISSACK GROUP, INC. THE 47QRAA19D003D 516-680-6533 NEW YORK ,NY o
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
MEDIADYNE, LLC 47QRAA18D00DY (301)785-3601 GREAT FALLS ,VA s/v    
MELE ASSOCIATES, INC. GS-00F-243CA (240)453-6962 ROCKVILLE ,MD s/v
METRON, INCORPORATED       GS-00F-166DA 703-326-2870 RESTON ,VA s
MICHAEL BAKER INTERNATIONAL, INC. GS-00F-0032M 703-483-0029 ALEXANDRIA ,VA o
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
MICROWAVE PACKAGING TECHNOLOGY, INC. 47QRAA18D000T (310)980-3039 MURRIETA ,CA s/h    
MILLENNIUM CORPORATION GS-10F-0141W 703-436-1346 ARLINGTON ,VA s/dv/d