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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
115 contractors

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* Contract Closed for New Awards
Contractor       Contract # Phone City, State Socio-
Economic		 Terms & Conditions / Price List View Catalog
74 WELD, INC. 47QRAA22D00C0 (619)286-6656 EL CAJON ,CA s  
ACE CONSULTING COMPANY, INC. 47QRAA21D003G 8593050895 NICHOLASVILLE ,KY s/dv/d
AECOM TECHNICAL SERVICES, INC. GS-00F-188CA 512-630-4479 LOS ANGELES ,CA o
AERO THERMO TECHNOLOGY, INC 47QRAA18D00BA 2569221141 HUNTSVILLE ,AL s/w/wo
AGEISS INC 47QRAA19D00BC 720-439-4322 LAKEWOOD ,CO s
ALPHA CONSTRUCTION AND ENGINEERING CORPORATION 47QRAA23D005W 571-346-1150 STERLING ,VA s/w/wo
ALPHASIX, LLC. GS-35F-307AA 703-579-6479 STERLING ,VA o
ANALYTIC ACQUISITIONS LLC 47QTCA19D0071 5087352177 SILVER SPRING ,MD s/w/wo/8a/8aS
ANALYTICAL SERVICES, INC.       GS-00F-020DA 321-213-0793 HUNTSVILLE ,AL s/d/an
APPLIED INSIGHT, LLC GS-00F-145GA 703-215-8100 RESTON ,VA o
ARGO SYSTEMS, LLC GS-10F-0335T 410-768-2444 BALTIMORE ,MD o
ARORA ENGINEERS, LLC GS-00F-083DA (202)534-1756 CHADDS FORD ,PA s  
ASR INTERNATIONAL CORP. GS-00F-283CA 6312311086 HAUPPAUGE ,NY s/d
AVALON BUSINESS ENGINEERING SERVICES, LLC 47QRAA20D003E (801) 447-1623 CLEARFIELD ,UT s/w/wo/ew/dv/d
AVIAN, LLC 47QRAA18D006L 301-866-2070 EXT. #1 LEXINGTON PARK ,MD s/dv
BOOZ ALLEN HAMILTON INC       GS-00F-008DA 703-377-4359 MC LEAN ,VA o
BOSTON GOVERNMENT SERVICES, LLC GS-00F-013GA 202-262-8098 OAK RIDGE ,TN o
BRANCHPATTERN, INC. 47QRAA21D004X 402-858-2114 LINCOLN ,NE s/d
BRATSLAVSKY CONSULTING ENGINEERS, INC. GS-00F-071CA 9072807619 ANCHORAGE ,AK s
C2 TECHNOLOGY SOLUTIONS INC GS-35F-272GA 410-794-6792 COLUMBIA ,MD s/d/8a
CAPITAL PROJECT MANAGEMENT, INC. GS-10F-0021T 267-464-0500 BLUE BELL ,PA s
CBRE INC 47QRAA21D0038 312-937-1239 WASHINGTON ,DC o
CDM FEDERAL PROGRAMS CORPORATION GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CDO CONSULTING SERVICES LLC 47QRAA23D0029 2566552516 MADISON ,AL s/dv/d/8a/8aS
CENTURIA CORPORATION 47QTCA23D001X 571-438-9666 RESTON ,VA s/dv
CITRINE LLC 47QRAA19D008Z 303-330-5385 LAKEWOOD ,CO s/w/wo/dv/d/h
CMT SERVICES, INC. 47QRAA19D008U 301-322-7860 HYATTSVILLE ,MD s/w/wo/h
CROWN CONSULTING, INC. GS-00F-038DA 703-650-0663 ARLINGTON ,VA o
DACK CONSULTING SOLUTIONS, INC. 47QRAA21D005P 914-686-7102 WHITE PLAINS ,NY s/w
DAV ENERGY SOLUTIONS, INC. GS-00F-314GA (619) 356-1147 SAN DIEGO ,CA s/dv
DECK FOUR INNOVATION, INC 47QRAA22D00B2 321-544-0793 MERRITT ISLAND ,FL s/w/wo/d
DECON ENGINEERING INC GS-21F-0004U 7038614930 STERLING ,VA s
DEFTEC CORPORATION       47QRAA18D00FY 8604288315 HUNTSVILLE ,AL s/w/wo/d
DELOITTE & TOUCHE LLP GS-00F-029DA 703-251-1143 ARLINGTON ,VA o
DELOITTE CONSULTING LLP 47QRAA18D001P 703-251-1143 ARLINGTON ,VA o
DELTA SOLUTIONS AND SERVICES BOWHEAD, LLC GS-00F-215CA 719-475-0506 SPRINGFIELD ,VA s/an
DYNAMIS, INC. GS-00F-115DA 703-465-4400 FALLS CHURCH ,VA s
DYNETICS, INC. GS-00F-045CA (256)998-4693 HUNTSVILLE ,AL o  
EASTERN RESEARCH GROUP INC GS-00F-079CA 7742491622 CONCORD ,MA o
ECS FEDERAL, LLC GS-00F-072CA 571-232-1412 FAIRFAX ,VA o
ENERGY TECHNOLOGY ALLIANCE LLC 47QRAA22D00EG 202-787-1518 BEND ,OR s/w/wo/ew/d/wojv
EXCET, LLC GS-00F-004BA 651-247-9982 LEXINGTON PARK ,MD s
EXPONENT INC 47QSMA18D0007 6506887013 MENLO PARK ,CA o
GANNETT FLEMING, INC. GS-00F-114CA 202-729-7338 CAMP HILL ,PA o
GARUD TECHNOLOGY SERVICES, INC. GS-10F-179AA 2022561079 COLUMBIA ,MD s/w/wo/ew/d
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-057CA 7039953733 FALLS CHURCH ,VA o
GENERAL INFOMATICS-A SERVICE DISABLED OWNED VETERAN BUSINESS, INC. 47QRAA18D002D 7035605119 MC LEAN ,VA s/dv/d
GENESIS ENGINEERING SOLUTIONS, INC. 47QRAA21D0011 240-582-3525 LANHAM ,MD s/d
GLOBAL ENGINEERING & TECHNOLOGY INC 47QRAA18D000R 202-899-2988 MIAMI ,FL s/d
GLOBAL ENGINEERING SOLUTIONS, INC. GS-10F-0160Y 3012162871 BETHESDA ,MD o
GREENDART, INCORPORATED GS-10F-214AA 310.242.0032 SAN PEDRO ,CA s/h
HANCOCK MANAGEMENT L.L.C. GS-00F-003CA 603-401-1817 SALEM ,NH s/dv/ai
HX5 LLC       GS-00F-225GA 850-362-6551 FORT WALTON BEACH ,FL s/w/wo/dv
INDUS TECHNOLOGY INC 47QRAA18D00DR (619)299-2555 SAN DIEGO ,CA o  
INSPIRE CORP 47QRAA20D008K 3039100430 AURORA ,CO s/dv
INTERACTIVE PROCESS TECHNOLOGY, LLC GS-00F-0002X 781-271-0696 SALEM ,NH s/dv
INTERIOR SYSTEMS, INC. GS-00F-023CA 202-263-0892 STERLING ,VA s/dv
INTERTEK TESTING SERVICES NA, INC.       GS-10F-0084U * 475-227-4840 ARLINGTON HEIGHTS ,IL o  
JBS SOLUTIONS, INC. GS-00F-240GA 256-551-0036 HUNTSVILLE ,AL s/w/wo/ew/d/h
JMS NAVAL ARCHITECTS LLC       GS-10F-0181V 8606620057 MYSTIC ,CT s/v
JOINT RESEARCH AND DEVELOPMENT LLC GS-10F-0093T * (540)288-3132 STAFFORD ,VA s/dv  
JOINT VENTURE SOLUTIONS (JVS) LLC GS-00F-099GA 4432800698 MILLERSVILLE ,MD s/dv
JORDAN & SKALA ENGINEERS, INC. 47QRAA25D006H 469-385-1616 NORCROSS ,GA o
KAIROS, INC 47QRAA22D002E 240-538-5391 CALIFORNIA ,MD s/w/wo
KBR WYLE SERVICES LLC       GS-00F-200CA 2569716126 LEXINGTON PARK ,MD o
KPMG LLP GS-00F-275CA 571-695-5019 MCLEAN ,VA o
LEIDOS, INC. GS-00F-022CA 571-526-7840 RESTON ,VA o
LINDAHL REED, INC. 47QRAA18D00GR 541-638-9264 BEND ,OR s/w/wo/ew/d/8a/8aS
M. C. DEAN, INC. 47QSWA19D002W 703-243-6231 TYSONS ,VA o
MANAGEMENT SOLUTIONS LLC 47QTCA18D000H (865) 963-0400 KNOXVILLE ,TN s/w/wo/ew/d/8a/8aS
MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. 47QTCA21D0031 703-218-6440 HERNDON ,VA o
MARTINFEDERAL CONSULTING, LLC GS-35F-491CA 2563824311 HUNTSVILLE ,AL s/8a
MEAD & HUNT INC GS-00F-230DA 906-629-1360 MIDDLETON ,WI o
MILLENNIUM CORPORATION GS-10F-0141W 703-436-1346 ARLINGTON ,VA o
MIRACORP INC GS-10F-233AA * 571-589-8970 MESA ,AZ s/w/wo/ew/dv/d  
MLT SYSTEMS LLC GS-10F-0168W 540-318-6383 STAFFORD ,VA s/dv
MORSECORP, INC 47QRAA18D00A1 617-314-7509 CAMBRIDGE ,MA s
NAVMAR APPLIED SCIENCES CORP       47QRAA22D000F 215-675-4900 WARMINSTER ,PA s/dv
NETCENTRIC TECHNOLOGY, LLC 47QRAA19D00AU 321-213-0793 NEPTUNE ,NJ s/d/an
NEXAGEN NETWORKS, INC. GS-00F-066GA 732-598-1277 WALL TOWNSHIP ,NJ s/w/d
NLOGIC, LLC GS-00F-239CA 2567042513 HUNTSVILLE ,AL s
NORTHROP GRUMMAN SYSTEMS CORPORATION GS-00F-128CA 703-713-4588 MCLEAN ,VA o
OASIS SYSTEMS, LLC 47QRAA18D006F 781-879-1447 BURLINGTON ,MA o
OASYS, INC. GS-00F-182DA 407-491-1989 HUNTSVILLE ,AL s
OCEAN ASSOCIATES INC GS-35F-372GA 703-819-6939 ARLINGTON ,VA s/w/wo
PCCI, INC. 47QRAA18D00HE 7033391110 ALEXANDRIA ,VA o
PLANATE MANAGEMENT GROUP LLC GS-23F-058AA 703-585-1079 ALEXANDRIA ,VA s/dv
PROJECT SOLUTIONS GROUP, INC. GS-00F-367GA 7035630480 WARRENTON ,VA s
PROSIDIAN CONSULTING LLC GS-10F-0309Y 713-562-1832 CHARLOTTE ,NC s/d
R2T, INC. GS-00F-129GA 7705697037 ATLANTA ,GA s/w/wo/ew/d
RESEARCH TRIANGLE INSTITUTE GS-00F-354CA 9195416624 DURHAM ,NC o
RMF ENGINEERING, INC., P.C. 47QRAA21D007Y 410-576-0505 BALTIMORE ,MD o
ROBERT AND COMPANY GS-00F-210GA 4045774000 ATLANTA ,GA s/dv
SAVIT CORPORATION 47QRAA21D006Z 973-602-3829 ROCKAWAY ,NJ s
SIGNALINK INC GS-00F-038GA 256-715-6744 MADISON ,AL s/dv
SIGNATURE SCIENCE LLC GS-00F-105CA (877) 474-4724 AUSTIN ,TX o
SIGNATURE SOLUTIONS INC       GS-00F-207GA 2565081961 HUNTSVILLE ,AL s
SOBRAN, INC. GS-00F-220CA 703-352-9511 BEAVERCREEK ,OH s/v
SPACEFLIGHT, INC. GS-00F-036DA 866-342-9934 CEDAR PARK ,TX o
SPECIAL AEROSPACE SERVICES, LLC GS-10F-0456X 303-625-1010 BOULDER ,CO s/w/wo/ew/d
SPECTRA TECH, INC. GS-00F-264CA 865-813-2131 OAK RIDGE ,TN s
SRC INC 47QRAA19D005N 3158834591 SYRACUSE ,NY o
STELLAR SOLUTIONS INC 47QRAA18D00FQ 571-329-0789 LOS ALTOS ,CA s/w/wo
STRATA G, LLC GS-00F-004CA 8659343400 KNOXVILLE ,TN o
SYSTEMS TECHNOLOGY FORUM, LTD. 47QTCA23D003R 540.809.3816 FREDERICKSBURG ,VA o
TEJJY, INCORPORATED 47QRAA21D008C (240) 595-4210 POTOMAC ,MD s/w/wo/ew/d
TESTPROS, INC. 47QTCA19D00G9 703-787-7600 STERLING ,VA s
UNIFIED BUSINESS TECHNOLOGIES, INC. GS-10F-0230X 248-588-1781 TROY ,MI s/w/wo/ew/d
URBAN ENGINEERS, INC GS-10F-0292T 215-922-8080 X1466 PHILADELPHIA ,PA o
USFALCON INC GS-00F-322GA 919-459-1955 CARY ,NC s/dv
VERSAR NATIONAL SECURITY SOLUTIONS LLC GS-10F-0356Y 540-746-2911 WASHINGTON ,DC o
VERSAR, INC. 47QRAA18D00F7 * 703-587-2513 WASHINGTON ,DC o  
VSE CORPORATION GS-00F-213CA 703-329-4724 ALEXANDRIA ,VA o
WSP USA ENVIRONMENT & INFRASTRUCTURE INC. GS-00F-314CA 2153672971 BLUE BELL ,PA o
YANG ENTERPRISES, INC. GS-10F-0135Y (407)365-7374 OVIEDO ,FL s/w/wo/d  
* Contract Closed for New Awards


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