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 541519

Top contractors in NAICS 541519

The 1,803 contractors with tracked federal awards in NAICS 541519, totalling $87,012,325,822. Ranked by award value.

See live NAICS 541519 opportunities →All contractors

1LEIDOS, INC.$4,050,471,77166 awards
2FOUR POINTS TECHNOLOGY, L.L.C.$2,820,931,901340 awards
3FCN, INC.$2,793,560,717577 awards
4V3GATE, LLC$2,483,162,503236 awards
5THUNDERCAT TECHNOLOGY, LLC$2,315,186,054555 awards
6GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.$2,086,064,949109 awards
7MINBURN TECHNOLOGY GROUP, LLC$1,964,836,445199 awards
8CGI FEDERAL INC.$1,778,719,253122 awards
9ACCENTURE FEDERAL SERVICES LLC$1,428,933,02890 awards
10DELOITTE & TOUCHE LLP$1,316,150,885132 awards
11EMERGENT, LLC$1,272,455,17975 awards
12WORLD WIDE TECHNOLOGY LLC$1,230,447,42975 awards
13CACI NSS, LLC$1,176,437,96567 awards
14IRON BOW TECHNOLOGIES, LLC$996,964,53732 awards
15CARAHSOFT TECHNOLOGY CORP$971,545,512120 awards
16FOUR LLC$848,431,538132 awards
17INTERNATIONAL BUSINESS MACHINES CORPORATION$790,692,13656 awards
18COLOSSAL CONTRACTING LLC$755,967,880165 awards
19AFFIGENT, LLC$723,903,314119 awards
20SCIENCE APPLICATIONS INTERNATIONAL CORPORATION$704,510,60530 awards
21NEW TECH SOLUTIONS, INC.$687,431,731409 awards
22SEMANTICBITS LLC$676,602,36921 awards
23DELL FEDERAL SYSTEMS L.P$647,706,13567 awards
24DLT SOLUTIONS, LLC$637,004,39975 awards
25KARSUN SOLUTIONS LLC$603,856,65215 awards
26METGREEN SOLUTIONS INC$577,208,71379 awards
27LANCER INFORMATION SOLUTIONS, LLC$530,376,89524 awards
28NORTHROP GRUMMAN TECHNICAL SERVICES, INC.$522,176,4001 awards
29SERCO INC$509,945,7964 awards
30EARTH RESOURCES TECHNOLOGY, LLC$498,832,7938 awards
31ALVAREZ LLC$489,868,636208 awards
32IRON VINE SECURITY LLC$476,860,45912 awards
33COUNTERTRADE PRODUCTS, INC.$470,251,436135 awards
34GOVSMART, INC.$459,607,052202 awards
35MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.$450,370,4717 awards
36MINDPOINT GROUP LLC$437,492,86811 awards
37ALL POINTS LOGISTICS, LLC$432,610,0321 awards
38CDW GOVERNMENT LLC$429,461,08023 awards
39REGAN TECHNOLOGIES CORP$416,805,05473 awards
40PERATON INC.$413,275,09344 awards
41BLUE TECH INC.$412,521,381172 awards
42SEVATEC LLC$367,082,5725 awards
43RED RIVER TECHNOLOGY LLC$337,332,80356 awards
44AGILE DEFENSE, LLC$336,845,26712 awards
45EXECUTIVE INFORMATION SYSTEMS, L.L.C.$332,815,94561 awards
46ADVANCED COMPUTER CONCEPTS, INC.$327,192,426211 awards
47GOVERNMENT ACQUISITIONS INC$316,631,887113 awards
48BAE SYSTEMS TECHNOLOGY SOLUTIONS & SERVICES INC.$312,301,81624 awards
49ANACAPA MICRO PRODUCTS, INC.$308,328,84871 awards
50CACI, INC. - FEDERAL$306,574,16413 awards
51CACI ENTERPRISE SOLUTIONS, LLC$301,331,7364 awards
52AUGUST SCHELL ENTERPRISES, INC.$296,081,85383 awards
53BOOZ ALLEN HAMILTON INC$294,946,01018 awards
54DEV TECHNOLOGY GROUP INC$276,266,61210 awards
55SENTURE LLC$274,174,1956 awards
56SOFTWARE INFORMATION RESOURCE CORP.$270,558,583202 awards
57WOLFTEK MISSION GROUP, LLC$255,883,34415 awards
58GOVPLACE, LLC$251,999,23756 awards
59GENERAL DYNAMICS ONE SOURCE LLC$248,826,7006 awards
60PERATON ENTERPRISE SOLUTIONS LLC$247,536,19916 awards