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GSA Federal Acquisition Service
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For general questions, contact:
National Customer Service Center
Call: 1-800-488-3111
Email: ncsccustomer.service@gsa.gov

*Attention: 8(a) JV Eligible, WOSB JV Eligible, SDVOSB JV Eligible and HUBZone JV Eligible contractors are self certified. Ordering agencies must confirm eligibility at the order level.


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.
Mechanical Engineering Services
113 contractors

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* Contract Closed for New Awards
Contractor       Contract # Phone City, State Socio-
Economic		 Terms & Conditions / Price List View Catalog
YANG ENTERPRISES, INC. GS-10F-0135Y (407)365-7374 OVIEDO ,FL s/w/wo/d  
WSP USA ENVIRONMENT & INFRASTRUCTURE INC. GS-00F-314CA 2153672971 BLUE BELL ,PA o
VSE CORPORATION GS-00F-213CA 703-329-4724 ALEXANDRIA ,VA o
VERSAR, INC. 47QRAA18D00F7 * 703-587-2513 WASHINGTON ,DC o  
VERSAR NATIONAL SECURITY SOLUTIONS LLC GS-10F-0356Y 540-746-2911 WASHINGTON ,DC o
USFALCON INC GS-00F-322GA 919-459-1955 CARY ,NC s/dv
URBAN ENGINEERS, INC GS-10F-0292T 215-922-8080 X1466 PHILADELPHIA ,PA o
UNIFIED BUSINESS TECHNOLOGIES, INC. GS-10F-0230X 248-588-1781 TROY ,MI s/w/wo/ew/d
TESTPROS, INC. 47QTCA19D00G9 703-787-7600 STERLING ,VA s
TEJJY, INCORPORATED 47QRAA21D008C (240) 595-4210 POTOMAC ,MD s/w/wo/ew/d
SYSTEMS TECHNOLOGY FORUM, LTD. 47QTCA23D003R 5408093816 FREDERICKSBURG ,VA o
STRATA G, LLC GS-00F-004CA 8659343400 KNOXVILLE ,TN o
STELLAR SOLUTIONS INC 47QRAA18D00FQ 571-329-0789 LOS ALTOS ,CA s/w/wo
SRC INC 47QRAA19D005N 3158834591 SYRACUSE ,NY o
SPECTRA TECH, INC. GS-00F-264CA 865-813-2131 OAK RIDGE ,TN s
SPECIAL AEROSPACE SERVICES, LLC GS-10F-0456X 303-249-8447 BOULDER ,CO s/w/wo/ew/d
SPACEFLIGHT, INC. GS-00F-036DA 866-342-9934 CEDAR PARK ,TX o
SOBRAN, INC. GS-00F-220CA 703-352-9511 BEAVERCREEK ,OH s/v
SIGNATURE SOLUTIONS INC       GS-00F-207GA 2565081961 HUNTSVILLE ,AL s
SIGNATURE SCIENCE LLC GS-00F-105CA (877) 474-4724 AUSTIN ,TX o
SIGNALINK INC GS-00F-038GA 256-715-6744 MADISON ,AL s/dv
SAVIT CORPORATION 47QRAA21D006Z 973-602-3829 ROCKAWAY ,NJ s
ROBERT AND COMPANY GS-00F-210GA 4045774000 ATLANTA ,GA s/dv
RMF ENGINEERING, INC., P.C. 47QRAA21D007Y 410-576-0505 BALTIMORE ,MD o
RESEARCH TRIANGLE INSTITUTE GS-00F-354CA 9195416624 DURHAM ,NC o
R2T, INC. GS-00F-129GA 7705697037 ATLANTA ,GA s/w/wo/ew/d
PROSIDIAN CONSULTING LLC GS-10F-0309Y 713-562-1832 CHARLOTTE ,NC s/d
PROJECT SOLUTIONS GROUP, INC. GS-00F-367GA 7035630480 WARRENTON ,VA s
PLANATE MANAGEMENT GROUP LLC GS-23F-058AA 703-585-1079 ALEXANDRIA ,VA s/dv
PCCI, INC. 47QRAA18D00HE 7033391110 ALEXANDRIA ,VA o
OCEAN ASSOCIATES INC GS-35F-372GA 703-819-6939 ARLINGTON ,VA s/w/wo
OASYS, INC. GS-00F-182DA 407-491-1989 HUNTSVILLE ,AL s
OASIS SYSTEMS, LLC 47QRAA18D006F 781-879-1447 BURLINGTON ,MA o
NORTHROP GRUMMAN SYSTEMS CORPORATION GS-00F-128CA 703-713-4588 MCLEAN ,VA o
NLOGIC, LLC GS-00F-239CA 2567042516 HUNTSVILLE ,AL s
NETCENTRIC TECHNOLOGY, LLC 47QRAA19D00AU 321-213-0793 NEPTUNE ,NJ s/d/an
NAVMAR APPLIED SCIENCES CORP       47QRAA22D000F 215-675-4900 WARMINSTER ,PA s/dv
MORSECORP, INC 47QRAA18D00A1 617-314-7509 CAMBRIDGE ,MA s
MLT SYSTEMS LLC GS-10F-0168W 540-318-6383 STAFFORD ,VA s/dv
MIRACORP INC GS-10F-233AA * 571-589-8970 MESA ,AZ s/w/wo/ew/dv/d  
MILLENNIUM CORPORATION GS-10F-0141W 703-436-1346 ARLINGTON ,VA o
MEAD & HUNT INC GS-00F-230DA 906-629-1360 MIDDLETON ,WI o
MARTINFEDERAL CONSULTING, LLC GS-35F-491CA 2563824311 HUNTSVILLE ,AL s/8a
MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. 47QTCA21D0031 703-218-6440 HERNDON ,VA o
MANAGEMENT SOLUTIONS LLC 47QTCA18D000H (865) 963-0400 KNOXVILLE ,TN s/w/wo/ew/d/8a/8aS
M. C. DEAN, INC. 47QSWA19D002W 703-243-6231 TYSONS ,VA o
LINDAHL REED, INC. 47QRAA18D00GR 541-638-9264 BEND ,OR s/w/wo/ew/d/8a/8aS
LEIDOS, INC. GS-00F-022CA 571-526-7840 RESTON ,VA o
KPMG LLP GS-00F-275CA 571-732-5758 MCLEAN ,VA o
KBR WYLE SERVICES, LLC       GS-00F-200CA 2569716126 LEXINGTON PARK ,MD o
KAIROS, INC 47QRAA22D002E 240-538-5391 CALIFORNIA ,MD s/w/wo
JORDAN & SKALA ENGINEERS, INC. 47QRAA25D006H 469-385-1616 NORCROSS ,GA o
JOINT VENTURE SOLUTIONS (JVS) LLC GS-00F-099GA 4432800698 MILLERSVILLE ,MD s/dv
JOINT RESEARCH AND DEVELOPMENT LLC GS-10F-0093T * (540)288-3132 STAFFORD ,VA s/dv  
JMS NAVAL ARCHITECTS LLC       GS-10F-0181V 8606620057 MYSTIC ,CT s/v
JBS SOLUTIONS, INC. GS-00F-240GA 256-551-0036 HUNTSVILLE ,AL s/w/wo/ew/d/h
INTERTEK TESTING SERVICES NA, INC.       GS-10F-0084U * 475-227-4840 ARLINGTON HEIGHTS ,IL o  
INTERIOR SYSTEMS, INC. GS-00F-023CA 202-263-0892 STERLING ,VA s/dv
INTERACTIVE PROCESS TECHNOLOGY, LLC GS-00F-0002X 781-271-0696 SALEM ,NH s/dv
INSPIRE CORP 47QRAA20D008K 3039100430 AURORA ,CO s/dv
INDUS TECHNOLOGY INC 47QRAA18D00DR (619)299-2555 SAN DIEGO ,CA o  
HX5 LLC       GS-00F-225GA 850-362-6551 FORT WALTON BEACH ,FL s/w/wo/dv
HANCOCK MANAGEMENT L.L.C. GS-00F-003CA 603-401-1817 SALEM ,NH s/dv/ai
GREENDART, INCORPORATED GS-10F-214AA 3102420032 SAN PEDRO ,CA s/h
GLOBAL ENGINEERING SOLUTIONS, INC. GS-10F-0160Y 3012162871 BETHESDA ,MD o
GLOBAL ENGINEERING & TECHNOLOGY INC 47QRAA18D000R 202-899-2988 MIAMI ,FL s/d
GENESIS ENGINEERING SOLUTIONS, INC. 47QRAA21D0011 240-582-3525 LANHAM ,MD s/d
GENERAL INFOMATICS-A SERVICE DISABLED OWNED VETERAN BUSINESS, INC. 47QRAA18D002D 7035605119 MC LEAN ,VA s/dv/d
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-057CA 7039953733 FALLS CHURCH ,VA o
GARUD TECHNOLOGY SERVICES, INC. GS-10F-179AA 2022561079 COLUMBIA ,MD s/w/wo/ew/d
EXPONENT INC 47QSMA18D0007 6506887013 MENLO PARK ,CA o
EXCET, LLC GS-00F-004BA 651-247-9982 LEXINGTON PARK ,MD s
ENERGY TECHNOLOGY ALLIANCE LLC 47QRAA22D00EG 202-787-1518 BEND ,OR s/w/wo/ew/d/wojv
ECS FEDERAL, LLC GS-00F-072CA 571-232-1412 FAIRFAX ,VA o
EASTERN RESEARCH GROUP INC GS-00F-079CA 7742491622 CONCORD ,MA o
DYNETICS, INC. GS-00F-045CA (256)998-4693 HUNTSVILLE ,AL o  
DYNAMIS, INC. GS-00F-115DA 703-465-4400 FALLS CHURCH ,VA s
DELTA SOLUTIONS AND SERVICES BOWHEAD, LLC GS-00F-215CA 719-475-0506 SPRINGFIELD ,VA s/an
DELOITTE CONSULTING LLP 47QRAA18D001P 703-251-1143 ARLINGTON ,VA o
DELOITTE & TOUCHE LLP GS-00F-029DA 703-251-1143 ARLINGTON ,VA o
DEFTEC CORPORATION       47QRAA18D00FY 8604288315 HUNTSVILLE ,AL s/w/wo/d
DECON ENGINEERING INC GS-21F-0004U (703)861-4930 STERLING ,VA s    
DECK FOUR INNOVATION, INC 47QRAA22D00B2 321-544-0793 MERRITT ISLAND ,FL s/w/wo/d
DAV ENERGY SOLUTIONS, INC. GS-00F-314GA (619) 356-1147 SAN DIEGO ,CA s/dv
DACK CONSULTING SOLUTIONS, INC. 47QRAA21D005P 914-686-7102 WHITE PLAINS ,NY s/w
CROWN CONSULTING, INC. GS-00F-038DA 703-650-0663 ARLINGTON ,VA o
CMT SERVICES, INC. 47QRAA19D008U 301-322-7860 HYATTSVILLE ,MD s/w/wo/h
CITRINE LLC 47QRAA19D008Z 303-330-5385 LAKEWOOD ,CO s/w/wo/dv/d/h
CENTURIA CORPORATION 47QTCA23D001X 571-438-9666 RESTON ,VA s/dv
CDO CONSULTING SERVICES LLC 47QRAA23D0029 2566552516 MADISON ,AL s/dv/d/8a/8aS
CDM FEDERAL PROGRAMS CORPORATION GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CBRE INC 47QRAA21D0038 312-937-1239 WASHINGTON ,DC o
CAPITAL PROJECT MANAGEMENT, INC. GS-10F-0021T 267-464-0500 BLUE BELL ,PA s
C2 TECHNOLOGY SOLUTIONS INC GS-35F-272GA 410-794-6792 COLUMBIA ,MD s/d/8a
BRATSLAVSKY CONSULTING ENGINEERS, INC. GS-00F-071CA 9072807619 ANCHORAGE ,AK s
BRANCHPATTERN, INC. 47QRAA21D004X 402-858-2114 LINCOLN ,NE s/d
BOSTON GOVERNMENT SERVICES, LLC GS-00F-013GA 202-262-8098 OAK RIDGE ,TN o
BOOZ ALLEN HAMILTON INC       GS-00F-008DA 703-377-4359 MC LEAN ,VA o
AVIAN, LLC 47QRAA18D006L 301-866-2070 EXT. #1 LEXINGTON PARK ,MD s/dv
AVALON BUSINESS ENGINEERING SERVICES, LLC 47QRAA20D003E (801) 447-1623 CLEARFIELD ,UT s/w/wo/ew/dv/d
ASR INTERNATIONAL CORP. GS-00F-283CA 6312311086 HAUPPAUGE ,NY s/d
ARORA ENGINEERS, LLC GS-00F-083DA (202)534-1756 CHADDS FORD ,PA s  
ARGO SYSTEMS, LLC GS-10F-0335T 410-768-2444 BALTIMORE ,MD o
APPLIED INSIGHT, LLC GS-00F-145GA 4435387350 RESTON ,VA o
ANALYTICAL SERVICES, INC.       GS-00F-020DA 321-213-0793 HUNTSVILLE ,AL s/d/an
ANALYTIC ACQUISITIONS LLC 47QTCA19D0071 5087352177 SILVER SPRING ,MD s/w/wo/8a/8aS
ALPHASIX, LLC. GS-35F-307AA 703-579-6479 STERLING ,VA o
ALPHA CONSTRUCTION AND ENGINEERING CORPORATION 47QRAA23D005W 571-346-1150 STERLING ,VA s/w/wo
AGEISS INC 47QRAA19D00BC 720-439-4322 LAKEWOOD ,CO s
AERO THERMO TECHNOLOGY, INC 47QRAA18D00BA 2569221141 HUNTSVILLE ,AL s/w/wo
AECOM TECHNICAL SERVICES, INC. GS-00F-188CA 512-630-4479 LOS ANGELES ,CA o
ACE CONSULTING COMPANY, INC. 47QRAA21D003G 8593050895 NICHOLASVILLE ,KY s/dv/d
74 WELD, INC. 47QRAA22D00C0 (619)286-6656 EL CAJON ,CA s  
* Contract Closed for New Awards


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