Loading…

Search every US federal contract opportunity on SAM.gov, and draft winning RFP responses with AI.

Solutions

Contract search AI proposal writing Bid / no-bid scoring Buyer & market intelligence Forecast & recompetes Awards & competitors Teaming & partner network State & local contracts Pipeline & CRM

Find Contracts

All contracts Closing soon Recently posted Highest value Buyer Intelligence What’s coming up Who’s winning (awards)8(a) set-asides WOSB set-asides SDVOSB set-asides HUBZone set-asides

Agency opportunities

DoD contracts VA contracts HHS contracts DHS contracts DOE contracts GSA contracts DOT contracts NASA contracts

Tools & Pricing

AI Opportunity Scan Contract Pricing Benchmark Competitor & Incumbent Lookup Company Award Profile GovCon Market Explorer Supplier & Teaming Finder AI Pursuit Analyzer NAICS Code Lookup Set-Aside Eligibility Small Business Size Standard Acquisition Threshold Guide Bid / No-Bid Scorecard Bid ROI Calculator CMMC 2.0 / SPRS Estimator HUBZone Eligibility Checker Plans & pricing

Learn

Market Reports Blog Answers (Q&A)Resources Glossary A–Z Guides Compare tools 2026 data report

Company

About Contact sales Security & trust Careers WinAContract UK BidWriter UK GovCon — AI proposals eSourcing Data Privacy Terms Refunds

Services & network

Bid & capture consulting Registration & certifications GovCon training Supplier network Teaming & partnering Data & API Reports store

WinAContract is US-based and US-hosted — AI federal contract search and proposal writing software for US government contractors. Operated by eSourcing Data Ltd.

© 2026 eSourcing Data Ltd · info@winacontract.com

NAICS 541990

Top contractors in NAICS 541990

The 1,392 contractors with tracked federal awards in NAICS 541990, totalling $78,106,865,241. Ranked by award value.

See live NAICS 541990 opportunities →All contractors

1BATTELLE ENERGY ALLIANCE, LLC$26,444,741,7201 awards
2THE MITRE CORPORATION$3,766,722,895153 awards
3SIERRA NEVADA COMPANY, LLC$3,499,464,286101 awards
4OAK RIDGE ASSOCIATED UNIVERSITIES, INCORPORATED$3,318,773,11414 awards
5BOOZ ALLEN HAMILTON INC$1,725,220,14674 awards
6INSTITUTE FOR DEFENSE ANALYSES$1,578,233,81123 awards
7HII MISSION TECHNOLOGIES CORP$1,489,199,36517 awards
8DAI GLOBAL LLC$1,403,735,27236 awards
9DOMESTIC AWARDEES (UNDISCLOSED)$1,358,824,39758 awards
10NORTHROP GRUMMAN SYSTEMS CORPORATION$1,249,830,42815 awards
11THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC$1,186,033,92733 awards
12ABT GLOBAL LLC$1,113,406,41812 awards
13CHEMONICS INTERNATIONAL, INC.$951,251,91338 awards
14PTSI MANAGED SERVICES INC$716,535,0108 awards
15ARD, INC.$661,412,68623 awards
16QLARANT INTEGRITY SOLUTIONS LLC$629,777,7724 awards
17RESEARCH TRIANGLE INSTITUTE$610,489,01822 awards
18AEVEX AEROSPACE, LLC$581,916,06110 awards
19DELOITTE CONSULTING LLP$558,369,41545 awards
20BLUESTAQ LLC$533,715,5901 awards
21SAFEGUARD SERVICES LLC$494,548,2232 awards
22CACI, INC. - FEDERAL$467,566,2718 awards
23NORIDIAN HEALTHCARE SOLUTIONS, LLC$407,443,5481 awards
24RAYTHEON COMPANY$370,825,5374 awards
25URS FEDERAL SERVICES INTERNATIONAL, INC$353,207,0128 awards
26THE RAND CORPORATION$328,411,1208 awards
27GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.$326,166,27913 awards
28COVENTBRIDGE USA INC$319,667,1301 awards
29GUIDEHOUSE INC.$315,549,11212 awards
30STRATEGIC ANALYSIS, INC.$285,631,0356 awards
31ACCENTURE FEDERAL SERVICES LLC$279,742,22310 awards
32VERTEX AEROSPACE LLC$270,141,42625 awards
33BAE SYSTEMS TECHNOLOGY SOLUTIONS & SERVICES INC.$269,775,05616 awards
34LOCKHEED MARTIN CORPORATION$266,865,58415 awards
35BLACK & VEATCH SPECIAL PROJECTS CORP.$258,725,92811 awards
36AMERICAN TYPE CULTURE COLLECTION$247,165,0213 awards
37KARNA LLC$233,941,5152 awards
38ACTIONABLE SOLUTIONS GROUP, LLC$233,239,7701 awards
39VALIANT GLOBAL DEFENSE SERVICES INC.$229,500,37010 awards
40ECS FEDERAL, LLC$227,521,2369 awards
41SYSTEMS PLANNING AND ANALYSIS, INC.$226,120,7087 awards
42CARDINAL INTELLECTUAL PROPERTY INC.$223,102,4743 awards
43LEIDOS, INC.$219,298,88622 awards
44DT GLOBAL INC$215,747,4817 awards
45PATH$206,232,1192 awards
46RAYTHEON SOUTHEAST ASIA SYSTEMS COMPANY$200,096,7621 awards
47HENDALL INC$199,567,0057 awards
48CYBER ENGINEERING AND TECHNICAL ALLIANCE, LLC$193,869,0776 awards
49PALLADIUM INTERNATIONAL LLC$193,588,2839 awards
50TETRA TECH ES, INC.$184,388,2049 awards
51THREAT TEC - YORKTOWN JV, LLC$183,242,3261 awards
52SCHAFER GOVERNMENT SERVICES, LLC$182,064,87610 awards
53ICF MACRO INC$180,804,5592 awards
54CGI FEDERAL INC.$173,402,1871 awards
55THE CNA CORPORATION$170,142,43557 awards
56THE BOEING COMPANY$164,322,81011 awards
57CULMEN INTERNATIONAL, LLC$154,308,1592 awards
58SCIENCE APPLICATIONS INTERNATIONAL CORPORATION$137,166,4984 awards
59DEXIS INTERACTIVE LLC$132,285,0595 awards
60WESTAT, INC.$131,994,42415 awards