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 541511

Top contractors in NAICS 541511

The 1,408 contractors with tracked federal awards in NAICS 541511, totalling $50,292,328,917. Ranked by award value.

See live NAICS 541511 opportunities →All contractors

1LOCKHEED MARTIN CORPORATION$3,630,788,54028 awards
2GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.$3,588,873,664141 awards
3BOOZ ALLEN HAMILTON INC$2,453,653,438146 awards
4INTERNATIONAL BUSINESS MACHINES CORPORATION$2,202,573,40798 awards
5NORTHROP GRUMMAN SYSTEMS CORPORATION$1,065,535,24120 awards
6PALANTIR USG INC$897,150,99819 awards
7CACI-ISS, LLC$784,695,3452 awards
8SOFTRAMS LLC$647,634,12314 awards
9SECURIGENCE LLC$643,999,6162 awards
10NTT DATA FEDERAL SERVICES, INC.$640,865,13629 awards
11PERATON INC.$547,055,43434 awards
12ACCENTURE FEDERAL SERVICES LLC$515,586,4519 awards
13ECS FEDERAL, LLC$505,893,56234 awards
14SPREZZATURA MANAGEMENT CONSULTING, LLC$404,974,5902 awards
15MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.$400,300,6479 awards
16COGNOSANTE MVH LLC$396,483,2827 awards
17CACI, INC. - FEDERAL$393,229,6769 awards
18SPATIAL FRONT INC$361,909,95457 awards
19RAYTHEON COMPANY$338,689,28324 awards
20INDEX ANALYTICS LLC$334,938,87717 awards
21LEIDOS, INC.$318,748,80713 awards
22ODDBALL, INC.$318,140,23315 awards
23L3HARRIS TECHNOLOGIES, INC.$317,582,4479 awards
24SABEL SYSTEMS TECHNOLOGY SOLUTIONS, LLC$317,555,18411 awards
25SCIENCE APPLICATIONS INTERNATIONAL CORPORATION$315,841,53934 awards
26THE BOEING COMPANY$303,786,6373 awards
27DEV TECHNOLOGY GROUP INC$281,472,98116 awards
28PLANNED SYSTEMS INTERNATIONAL INC$280,252,5776 awards
29SAPIENT GOVERNMENT SERVICES, INC.$275,110,27551 awards
30MAVERIS LLC$262,873,8423 awards
31CONCEPT SOLUTIONS LLC$259,681,9426 awards
32NAVA PBC$258,589,23016 awards
33DYNAMO TECHNOLOGIES, LLC$247,622,34122 awards
34CARAHSOFT TECHNOLOGY CORP$247,306,44911 awards
35PARSONS GOVERNMENT SERVICES INC.$243,741,45512 awards
36REI SYSTEMS, INC.$237,314,31014 awards
37GUIDEHOUSE INC.$231,335,47910 awards
38LS TECHNOLOGIES LLC$222,307,4809 awards
39CGI FEDERAL INC.$220,231,81118 awards
40CACI TECHNOLOGIES, LLC$210,389,7955 awards
41ICF INCORPORATED, L.L.C.$208,812,20214 awards
42FLEXION INC$205,845,11717 awards
43ABSOLUTE STRATEGIC TECHNOLOGIES, LLC$205,324,7497 awards
44BLACK CANYON CONSULTING LLC$203,292,0125 awards
45RAFT LLC$200,654,70916 awards
46OMNI FED LLC$200,370,76111 awards
47MI TECHNICAL SOLUTIONS, INC.$195,552,4671 awards
48PERATON TECHNOLOGY SERVICES INC.$193,904,27318 awards
49UTAH STATE UNIVERSITY SPACE DYNAMICS LABORATORY$193,071,44211 awards
50GUIDEHOUSE DIGITAL LLC$184,417,9949 awards
51COMMUNICATIONS RESOURCE INC$178,058,2411 awards
52ENLIGHTEN IT CONSULTING LLC$175,402,3296 awards
53CLARITY INNOVATIONS LLC$167,682,6947 awards
54PLURIBUS DIGITAL, INC$166,816,4852 awards
55SYNERGY BUSINESS INNOVATION & SOLUTIONS INC.$165,240,9326 awards
56VENTERA LLC$158,170,8614 awards
57AD HOC LLC$154,479,3543 awards
58DIVERSIFIED TECHNICAL SERVICES, INC.$145,978,1263 awards
59CREATIVE SYSTEMS AND CONSULTING L.L.C.$145,401,04123 awards
60MAXIMUS FEDERAL TECHNOLOGY SOLUTIONS, LLC$138,193,0564 awards