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 541611

Top contractors in NAICS 541611

The 2,085 contractors with tracked federal awards in NAICS 541611, totalling $63,656,780,525. Ranked by award value.

See live NAICS 541611 opportunities →All contractors

1CHEMONICS INTERNATIONAL, INC.$10,882,020,99110 awards
2DELOITTE CONSULTING LLP$3,121,182,328309 awards
3BOOZ ALLEN HAMILTON INC$1,828,421,013157 awards
4GUIDEHOUSE INC.$1,283,742,490230 awards
5SCIENCE APPLICATIONS INTERNATIONAL CORPORATION$1,196,504,43340 awards
6RER SOLUTIONS, INC.$930,586,10713 awards
7ICF INCORPORATED, L.L.C.$804,396,969218 awards
8GUIDEHOUSE LLP$642,824,59520 awards
9GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.$636,695,02529 awards
10RESEARCH TRIANGLE INSTITUTE$582,511,519139 awards
11MATHEMATICA INC.$525,259,164103 awards
12LMI CONSULTING, LLC$516,229,80033 awards
13EMPOWER AI, INC.$486,503,6156 awards
14SERCO INC$433,908,81039 awards
15FLUOR FEDERAL SERVICES INC$430,045,21419 awards
16BCG FEDERAL CORP.$427,340,3236 awards
17ACUMEN LLC$380,178,59418 awards
18ACCENTURE FEDERAL SERVICES LLC$372,689,43031 awards
19MAXIMUS FEDERAL SERVICES, INC.$344,892,5139 awards
20DOMESTIC AWARDEES (UNDISCLOSED)$318,079,02813 awards
21FAMILY HEALTH INTERNATIONAL$308,796,3299 awards
22APTIVE HTG LLC$275,904,89224 awards
23THE PROVIDENCIA GROUP LLC$270,411,9821 awards
24NATIONAL OPINION RESEARCH CENTER$267,830,48728 awards
25WESTAT, INC.$261,702,25056 awards
26RELI GROUP INC$253,165,31726 awards
27ABT GLOBAL LLC$250,989,89564 awards
28TUNNELL CONSULTING INC$247,822,9159 awards
29LEIDOS, INC.$245,305,38453 awards
30L3HARRIS TECHNOLOGIES, INC.$240,731,4931 awards
31C2C INNOVATIVE SOLUTIONS, INC.$236,420,83810 awards
32BOWHEAD LOGISTICS MANAGEMENT, LLC$230,326,1961 awards
33ANALYTIC SERVICES INC.$227,764,89410 awards
34CH2M HILL - CDM PA-TAC RECOVERY SERVICES$222,289,70110 awards
35MAGELLAN FEDERAL, INC.$217,199,9656 awards
36NAKUPUNA SOLUTIONS, LLC$210,355,92118 awards
37UNIVERSAL SERVICE ADMINISTRATIVE COMPANY$210,200,7363 awards
38KPMG LLP$207,624,28318 awards
39PAE GOVERNMENT SERVICES, INC.$203,432,569145 awards
40VETERANS TECHNOLOGY, L.L.C.$203,359,2961 awards
41GREAT HILL SOLUTIONS, LLC$199,706,19817 awards
42CREATIVE IT SOLUTIONS LLC$199,107,811107 awards
43AMENTUM SERVICES, INC.$190,229,1029 awards
44AMERICAN INSTITUTES FOR RESEARCH IN THE BEHAVIORAL SCIENCES$186,961,05234 awards
45MDRC$186,953,95315 awards
46DLH, LLC$184,479,8482 awards
47TITAN ALPHA LLC$182,878,29526 awards
48DAI GLOBAL LLC$179,093,9399 awards
49LOGISTICS MANAGEMENT INSTITUTE$177,482,32210 awards
50SOUTHWEST RESEARCH INSTITUTE$175,938,6362 awards
51BAE SYSTEMS TECHNOLOGY SOLUTIONS & SERVICES INC.$168,876,2871 awards
52CHEROKEE NATION STRATEGIC PROGRAMS, L.L.C.$166,126,5312 awards
53HIVE GROUP, LLC$166,028,6777 awards
54NOBLIS, INC.$165,293,48715 awards
55YORKTOWN SYSTEMS GROUP INC$161,503,4702 awards
56JBS INTERNATIONAL, INC.$158,087,94013 awards
57CLEAR VANTAGE POINT SOLUTIONS II LLC$154,948,4801 awards
58TRILOGY FEDERAL, LLC$154,619,50221 awards
59WESTERN DOOR FEDERAL, LLC$152,917,40829 awards
60DIGITAL MOBILIZATIONS LLC$151,987,6957 awards