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 438 contractors with tracked federal awards in NAICS 541990, totalling $35,329,420,528. Ranked by award value.

See live NAICS 541990 opportunities →All contractors

1BATTELLE ENERGY ALLIANCE, LLC$26,114,643,3361 awards
2OAK RIDGE ASSOCIATED UNIVERSITIES, INCORPORATED$3,083,444,1292 awards
3HII MISSION TECHNOLOGIES CORP$1,230,893,1932 awards
4PTSI MANAGED SERVICES INC$591,008,0141 awards
5BLUESTAQ LLC$515,265,6311 awards
6RESEARCH TRIANGLE INSTITUTE$287,844,0905 awards
7CACI, INC. - FEDERAL$243,004,0093 awards
8AMERICAN TYPE CULTURE COLLECTION$226,185,1392 awards
9SAFEGUARD SERVICES LLC$219,079,6521 awards
10BOOZ ALLEN HAMILTON INC$211,497,56112 awards
11THE MITRE CORPORATION$166,346,09127 awards
12BAE SYSTEMS TECHNOLOGY SOLUTIONS & SERVICES INC.$140,150,0994 awards
13E3HEALTH SOLUTIONS, LLC$100,701,9591 awards
14CHEMONICS INTERNATIONAL, INC.$90,723,8742 awards
15CYBER ENGINEERING AND TECHNICAL ALLIANCE, LLC$87,714,5132 awards
16MISSION FOR ESSENTIAL DRUGS AND SUPPLIES$73,104,3931 awards
17HEALTH CARE SERVICE CORPORATION, A MUTUAL LEGAL RESERVE COMPANY$70,140,4001 awards
18SCIENTIFIC RESEARCH CORPORATION$62,141,4461 awards
19INSTITUTE FOR DEFENSE ANALYSES$57,874,2952 awards
20JOINT MEDICAL STORE$57,857,3901 awards
21DELOITTE & TOUCHE LLP$51,989,0608 awards
22OST INC$50,702,6372 awards
23DEXIS INTERACTIVE LLC$49,744,2951 awards
24NOVITAS SOLUTIONS, INC.$47,804,3361 awards
25QLARANT INTEGRITY SOLUTIONS LLC$45,752,1201 awards
26INTRAHEALTH INTERNATIONAL, INC.$44,057,5421 awards
27SHIELDS POINT LLC$42,978,0751 awards
28AGILE DECISION SCIENCES, LLC$36,892,25514 awards
29ITSTRATEGY, INCORPORATED$36,675,2821 awards
30JBS INTERNATIONAL, INC.$35,193,3401 awards
31JHPIEGO CORP$34,141,8711 awards
32TANAQ SUPPORT SERVICES, LLC$31,584,5364 awards
33CDM INTERNATIONAL INC$30,886,1151 awards
34CHEROKEE STRATEGIC SOLUTIONS, L.L.C.$29,999,9611 awards
35KAISER FOUNDATION HOSPITALS$28,124,8474 awards
36CHEROKEE NATION SYSTEM SOLUTIONS LLC$26,751,63031 awards
37THREE STAR GOVERNMENT SOLUTIONS, LLC$22,480,8531 awards
38OCEAN BAY INFORMATION AND SYSTEMS MANAGEMENT, LLC$22,379,1514 awards
39NATIONAL OPINION RESEARCH CENTER$22,007,2762 awards
40LEADSONLINE, LLC$21,940,9131 awards
41EAGLE ONE SOLUTIONS, INC.$20,495,8821 awards
42CLEAR LINCS LLC$20,365,0561 awards
43RWANDA MEDICAL SUPPLY (RMS) LTD$19,263,7391 awards
44VETS SYNERGETIC GROUP LLC$17,722,29322 awards
45PARAGON TECHNICAL SERVICES, INC.$17,537,7952 awards
46SERCO INC$17,493,0871 awards
47WESTAT, INC.$16,957,8461 awards
48TUVLI LLC$16,706,1338 awards
49UNIVERSITY RESEARCH CO., LLC$16,549,2231 awards
50FIVE RIVERS ANALYTICS, LLC$16,258,4591 awards
51OCEAN ASSOCIATES INC$16,121,8328 awards
52CHENEGA ENTERPRISE SYSTEMS & SOLUTIONS, LLC$15,862,0701 awards
53CPA GLOBAL (LANDON IP) INC$14,323,9201 awards
54GAP SOLUTIONS, INC.$14,279,92827 awards
55PARSONS GOVERNMENT SERVICES INTERNATIONAL INC.$13,958,7012 awards
56HENRY FORD HEALTH SYSTEM$13,872,8411 awards
57AKIMA GLOBAL LOGISTICS, LLC$13,749,3381 awards
58CHEROKEE NATION DEFENSE SOLUTIONS LLC$12,818,4641 awards
59HUNATEK SYSTEM SOLUTIONS LLC$12,327,0621 awards
60SUVI GLOBAL SERVICES LLC$11,896,3201 awards