NAICS 541330 market
NAICS 541330

NAICS 541330 contractors: Engineering Services

1,157 federal prime contractors list NAICS 541330 as their primary industry. Together they received $30.2B in prime contract obligations in the latest 12 months. The largest by obligations since FY2022 is BAE Systems Technology Solutions & Services Inc., and most are headquartered in Virginia, Maryland, and California.

Contractors 1–250 of 1,157

Ranked by prime contract obligations since FY2022, across all their NAICS codes. Open a profile for top agencies, recent awards, and contracts ending soon.

NAICS 541330 contractors: Engineering Services
ContractorHeadquartersLatest 12 moSince FY2022
BAE Systems Technology Solutions & Services Inc.Maryland$815.5M$5.8B
Serco IncVirginia$1.0B$5.8B
International Business Machines CorporationMaryland$622.9M$4.9B
HII Mission Technologies CorpVirginia$1.2B$4.7B
Northrop Grumman Systems CorporationVirginia$645.7M$4.1B
KBR Wyle Services, LLCMaryland$673.3M$2.9B
The Charles Stark Draper Laboratory, Inc.Massachusetts$607.4M$2.8B
Raytheon CompanyCalifornia$295.8M$2.7B
AECOM Technical Services, Inc.California$289.3M$2.5B
CACI NSS, LLCVirginia$179.5M$2.4B
l3harris Technologies, Inc.Florida$392.9M$2.2B
Applied Research Associates, Inc.New Mexico$343.2M$2.2B
General Dynamics Mission Systems, Inc.Massachusetts$595.6M$2.1B
Northrop Grumman Systems CorporationMaryland$316.1M$1.9B
Scientific Research CorporationGeorgia$369.1M$1.9B
jt4 LLCNevada$379.0M$1.9B
M. C. Dean, Inc.Virginia$456.2M$1.8B
LMI Consulting, LLCVirginia$571.4M$1.7B
Credence Management Solutions Limited Liability CompanyVirginia$188.9M$1.7B
Raytheon CompanyVirginia$169.9M$1.6B
Smartronix, LLCMaryland$59.8M$1.6B
DCS CorporationVirginia$215.2M$1.6B
Systems Planning and Analysis, Inc.Virginia$411.6M$1.4B
Tcom, L.P.Maryland$111.8M$1.4B
Northrop Grumman Systems CorporationCalifornia$309.5M$1.4B
Noblis, Inc.Virginia$233.2M$1.4B
Peraton Technology Services Inc.Virginia$158.1M$1.4B
Valiant Global Defense Services Inc.Virginia$209.1M$1.3B
Ameresco IncMassachusetts$314.4M$1.2B
Range Generation Next LLCVirginia$84.7M$1.1B
Lockheed Martin CorpPennsylvania$122.2M$1.1B
HII Mission Technologies CorpAlabama$6.5M$1.1B
l3harris Technologies, Inc.Colorado$161.7M$1.0B
National Aerospace Solutions, LLCVirginia$300K$1.0B
Lockheed Martin CorporationNew York$138.7M$991.5M
Reliance Test & Technology, LLCFlorida$177.3M$979.5M
Motorola Solutions, Inc.Maryland$316.6M$905.6M
Beyond New Horizons, LLCAlabama$384.9M$898.2M
Trax International CorporationNevada$169.1M$886.9M
l3harris Technologies Integrated Systems L.P.Texas−$10.8M$880.3M
ch2m Hill, IncColorado$57.3M$805.9M
Cherokee Nation Strategic Programs, L.L.C.Oklahoma$125.7M$784.4M
Avantus Federal LLCVirginia$173.1M$775.2M
Halvik LLCVirginia$153.4M$715.4M
l3harris Interstate Electronics CorporationCalifornia$102.4M$701.9M
Gryphon Technologies, L.C.District of Columbia$76.3M$692.4M
Precise Systems, Inc.Maryland$123.1M$678.5M
Burns & Mcdonnell Engineering Company, Inc.Missouri$61.0M$672.9M
Northrop Grumman Systems CorporationNew York$91.2M$611.2M
Resource Management Concepts, Inc.Maryland$98.0M$597.6M
Noblis MSD LLCPennsylvania$93.2M$584.3M
Netcentric Technology, LLCNew Jersey$113.0M$583.0M
Asrc Federal System Solutions LLCMaryland$74.0M$583.0M
Sigma Defense Systems LLCGeorgia$208.5M$574.8M
Seacorp, LLCRhode Island$127.8M$557.1M
Bowhead Program Management & Operations, LLCVirginia$116.9M$550.6M
The Boeing CompanyUtah$88.7M$540.7M
Chugach Technical Solutions LLCAlaska$37.6M$534.3M
Apogee Engineering, LLCColorado$94.5M$533.7M
Johnson Controls Government Systems, LLCWisconsin$71.3M$532.7M
Honeywell International, IncGeorgia$101.8M$526.0M
l3harris Technologies, Inc.Colorado$82.6M$524.0M
Jacobs Engineering Group Inc.Virginia$286.5M$523.6M
LS Technologies LLCVirginia$66.3M$518.3M
Miracle Systems LLCVirginia$124.0M$505.7M
Fidelity Technologies CorporationPennsylvania$354K$503.9M
Tatitlek Technologies, LLCAlaska$36.8M$484.5M
Noresco, LLCMassachusetts$117.1M$478.6M
Mayvin, Inc.Virginia$96.8M$469.7M
Insitu, Inc.Washington$8.5M$461.8M
BAE Systems Land & Armaments L.P.California$23.6M$460.4M
Lynker CorporationVirginia$90.6M$459.5M
Credence Dynamo Solutions LLCVirginia$125.6M$452.4M
Northrop Grumman Systems CorporationUtah$39.3M$445.1M
Mele Associates IncMaryland$107.4M$435.2M
Jacobs Government Services CompanyVirginia$91.4M$434.3M
Ensco IncVirginia$60.9M$421.8M
Rivertech LLCColorado$53.6M$405.6M
Aviation Systems Engineering Company IncMaryland$93.7M$402.8M
Simventions IncVirginia$76.7M$396.5M
Broadleaf, Inc.Virginia$32.7M$381.9M
Vsolvit LLCNevada$71.0M$380.0M
Rite-Solutions, Inc.Connecticut$84.4M$370.9M
Atlas Technologies, Inc.South Carolina$43.9M$370.3M
Axient LLCAlabama$13.8M$365.3M
WSM Pacific Siop, a Joint VentureHawaii$12.0M$340.2M
Serco-IPS CorporationVirginia$2.9M$340.2M
LB & B Associates IncMaryland$53.2M$339.7M
Lockheed Martin CorporationColorado$47.5M$335.4M
Indus Technology IncCalifornia$59.8M$335.1M
Delta Solutions & Strategies LLCColorado$9.6M$331.3M
Spalding Consulting, Inc.Maryland$58.8M$329.6M
Northrop Grumman Systems CorporationVirginia$22.2M$329.0M
Obxtek IncVirginia$29.8M$325.5M
Black & Veatch Special Projects Corp.Kansas$7.7M$320.7M
Advanced Management Technology, Inc.Virginia$66.8M$318.9M
Trane U.S. Inc.North Carolina$72.3M$316.9M
Southwest Range Services LLCNew Mexico$48.3M$316.9M
Digiflight IncorporatedMaryland$72.3M$316.1M
Tekla Research, Inc.Virginia$54.3M$315.5M
Kratos Technology & Training Solutions, Inc.California$59.4M$300.0M
Reliability & Performance Technologies, LLCPennsylvania$65.4M$298.0M
VT Milcom Inc.Virginia$27.2M$292.1M
Analex CorporationVirginia$82.2M$291.2M
FalconwoodVirginia$40.5M$290.0M
HDR Environmental, Operations and Construction, Inc.Colorado$27.2M$287.5M
Avion Solutions, Inc.Alabama$37.8M$287.3M
Mclaughlin Research CorporationConnecticut$55.9M$286.9M
OST IncDistrict of Columbia$20.5M$283.8M
Imagine One Technology & Management LtdMaryland$26.2M$282.2M
Boeing Aerospace Operations, Inc.Missouri$20.2M$282.2M
KT Consulting, Inc.Arizona$43.0M$277.4M
Raytheon CompanyCalifornia$34.3M$277.0M
Energy Systems Group, LLCIndiana$103.0M$275.6M
Arinc IncorporatedMaryland$59.7M$268.9M
Strategic Alliance Solutions LLCVirginia$67.1M$267.1M
Bwxt Enrichment Operations, LLCVirginia$199.7M$266.7M
KMS Solutions, LLCVirginia$40.0M$264.1M
Chenega IT Enterprise Services, LLCVirginia$13.0M$262.5M
Keylogic, LLCWest Virginia$41.2M$255.5M
Stracon Services Group, LLCTexas$71.3M$254.5M
BB&E, Inc.Michigan$25.5M$252.6M
Accelint Global Inc.California$102.4M$252.1M
Tristar, Inc.Indiana$47.9M$251.4M
T-Solutions, Inc.Virginia$49.3M$249.8M
Oceaneering International IncVirginia$22.0M$248.7M
Southeastern Computer Consultants, Inc.Virginia$35.3M$248.2M
Bowhead Mission Solutions, LLCVirginia$25.8M$245.3M
W R Systems Ltd.Virginia$51.6M$244.6M
Integration Innovation IncAlabama$32.6M$244.1M
Chickasaw Aerospace, LLCOklahoma$60.3M$239.8M
Northrop Grumman Systems CorporationCalifornia$30.1M$237.3M
Life Cycle Engineering IncSouth Carolina$18.6M$236.7M
FGS, LLCMaryland$45.6M$236.2M
Systems Plus, Inc.Maryland$33.8M$235.9M
Resolution Consultants - an AECOM-Ensafe Joint VentureCalifornia$26.7M$235.5M
Envisioneering IncVirginia$44.6M$235.4M
Compass PTS JV, theVirginia$41.3M$234.9M
General Dynamics Mission Systems, Inc.Massachusetts$59.1M$234.9M
Veracity Engineering LLCDistrict of Columbia$67.5M$234.0M
Nextgen Federal Systems LLCWest Virginia$48.6M$232.8M
Northrop Grumman Systems CorporationArizona$139K$232.1M
Aver LLCDistrict of Columbia$52.9M$232.0M
Techsource, LLCNew Mexico$77.4M$230.4M
l3harris Technologies, Inc.Indiana$34.6M$228.9M
The Mchenry Management Group, LLCVirginia$37.3M$228.2M
Orbis Sibro IncSouth Carolina$35.9M$227.7M
Valkyrie Enterprises, LLCVirginia$40.3M$226.9M
CEG Solutions LLCVirginia$19.3M$226.5M
Advancing Resilience in CommunitiesPennsylvania$27.8M$225.9M
Cruz Associates Inc.Virginia$57.4M$223.0M
Concurrent Technologies CorpPennsylvania$39.9M$220.1M
HII Technical Solutions CorporationVirginia$56.1M$219.3M
Raytheon CompanyColorado$268K$218.8M
Arcadis U.S., Inc.Colorado$9.1M$215.9M
core4ce LLCVirginia$28.1M$212.9M
Emprise CorporationConnecticut$46.0M$208.8M
Accelint Mission Solutions, LLCCalifornia$17.5M$206.5M
STS Systems Support, LLCTexas$23.2M$204.8M
Technomics IncVirginia$47.2M$203.3M
Cherokee Strategic Solutions, L.L.C.Oklahoma$82.8M$203.0M
Davis Defense Group, Inc.Virginia$38.3M$202.5M
Intellect Solutions, LLCVirginia$49.5M$201.5M
Decision Technologies, Inc.Virginia$22.5M$198.9M
Engineering Services Network IncVirginia$22.3M$198.9M
WWC Global LLCFlorida−$16K$198.9M
Lukos, LLCFlorida$31.3M$198.8M
Bowhead Professional and Technical Solutions LLCVirginia$6.9M$198.8M
Aermor LLCVirginia$20.7M$197.5M
Jacobs/B&V, a Joint Venture (Federal Services)Hawaii$25.1M$197.3M
Sayres and Associates LLCDistrict of Columbia$46.6M$196.2M
Gemini Industries Inc.Massachusetts$29.8M$192.9M
Millennium LLCVirginia$10.4M$191.0M
Federal Miracle Tech LLCMaryland$39.2M$191.0M
Advanced Concepts Enterprises, Inc.Florida$40.6M$190.0M
SoluteCalifornia$16.4M$188.8M
Gauss Management Research and Engineering IncUtah$37.2M$187.9M
Tech-Marine Business, IncDistrict of Columbia$15.0M$186.9M
Chenega Analytic Business Solutions, LLCVirginia$21.9M$186.9M
Starr II, a Joint VentureMaryland$11.3M$186.5M
Chartis Consulting CorporationVirginia$42.9M$186.4M
l3harris Technologies Integrated Systems L.P.Oklahoma$26.8M$186.3M
QED Enterprises Inc.Virginia$40.3M$185.2M
Innovasystems International LLCCalifornia$421K$184.3M
Cydecor Inc.Virginia$20.1M$181.6M
ITC Defense CorpSouth Carolina$63.0M$181.2M
Nexgen Data Systems IncSouth Carolina$7.3M$179.7M
Merrick & CompanyColorado$52.5M$179.6M
Vectrus Systems LLCVirginia$6.8M$178.1M
Oceanetics IncMaryland$16.6M$177.8M
Chenega Security International, LLCVirginia$20.5M$177.7M
Naval Systems, Inc.Maryland$29.9M$175.2M
Constellation Newenergy IncMaryland$1.9M$174.4M
RWE Clean Energy Solutions, Inc.New York$45.2M$173.7M
G 2 Software Systems, Inc.California$31.4M$173.0M
Ironmountain Solutions, LLCAlabama$26.6M$172.7M
Sentar, Inc.Alabama$19.1M$172.2M
KBC Energy Solutions LLCMassachusetts$45.3M$171.6M
Bluewater Federal Solutions, Inc.Virginia$22.9M$171.0M
Obsidian Solutions Group LLCVirginia$19.0M$170.4M
Global Solutions Ventures, LLCMaryland$2.0M$170.3M
Tetra Tech, Inc.Pennsylvania$41.9M$169.2M
The Prospective Group, LLCVirginia$31.2M$167.0M
Kalman & Company, Inc.Virginia$15.0M$166.7M
Tactical Engineering & Analysis, Inc.California$16.1M$165.7M
CRL Technologies, Inc.Virginia$36.3M$165.0M
Fidelity Technology Services, LLCPennsylvania$160.6M$164.6M
Tetra Tech IncCalifornia$22.7M$163.2M
AECOM International Inc.Outside the U.S.$15.1M$163.0M
OPR LLCMaryland$36.7M$162.4M
Mndpi Pacific JVHawaii$18.4M$161.8M
PSI PAX, Inc.Maryland$21.7M$161.1M
New Directions Technologies, Inc.California$38.3M$160.7M
NDI Engineering CompanyNew Jersey$27.8M$159.7M
EXP Federal Inc.Illinois$440K$157.9M
IAP Worldwide Services, Inc.Florida$0$156.3M
Ghostrock Systems Development, LLCAlaska$38.3M$154.7M
Arservices, LimitedVirginia$25.9M$154.6M
Innovative Technology Solutions JV, LLCOhio$465K$154.6M
Spinvi Consulting LLCVirginia$0$154.4M
Adapt Forward LLCSouth Carolina$13.7M$154.0M
JRC Integrated Systems, LLCDistrict of Columbia$36.9M$152.6M
Eagle Systems IncMaryland$31.9M$152.0M
Delta Resources, Inc.District of Columbia$29.4M$151.9M
Stanley Consultants, Inc.Iowa$27.2M$151.4M
The Corporation of Mercer UniversityGeorgia$18.6M$151.1M
Schneider Electric Buildings Americas, Inc.Texas$26.8M$150.6M
National Center for Defense Manufacturing and MachiningPennsylvania$26.5M$150.6M
Vector CSP LLCNorth Carolina$37.2M$150.4M
GE Energy Power Conversion USA Inc.Pennsylvania$34.0M$149.8M
Chugach Dynamic Solutions LLCAlaska$49.1M$149.5M
Fleet JV LLCVirginia$4.8M$149.4M
Herren Associates IncDistrict of Columbia$21.1M$147.8M
Group W IncVirginia$29.5M$146.9M
Northrop Grumman Systems CorporationColorado$8.6M$144.9M
Synchron, LLCDistrict of Columbia$31.4M$142.9M
Rogers, Lovelock & Fritz, Inc.Florida$9.5M$142.8M
Avian, LLCMaryland$24.7M$142.7M
R & K Enterprise Solutions IncVirginia$16.7M$142.3M
Green Expert Technology IncNew Jersey$27.7M$142.3M
Regulus Group, LLCVirginia$48.6M$141.9M
MLT Systems LLCVirginia$38.3M$141.6M
Securityhunter, Inc.Maryland$2.1M$141.1M
Information Systems Solutions, Inc.Maryland$46.4M$140.9M
Cssi, LLCDistrict of Columbia$21.4M$140.4M
TQI Solutions, Inc.Virginia$9.5M$139.9M
Chevo LLCMaryland$22.9M$139.5M
a3 Technology IncNew Jersey$21.1M$138.4M
Katmai Technical Services, LLCAlaska$14.9M$138.2M
Prkk LLCFlorida$16.1M$137.8M

Prime contract obligations from USAspending.gov through Oct 5, 2026. A contractor's primary NAICS is the code with the most obligations since FY2022. For the largest contractors in this NAICS by obligations under it, see the NAICS 541330 market page. To search by name, UEI, or CAGE code, use the contractor directory.

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