Loading…

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

Explore the demo

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 built for US government contractors and hosted in the United States. Operated by eSourcing Data Ltd, registered in England and Wales.

© 2026 eSourcing Data Ltd · info@winacontract.com

NAICS 517919

Top contractors in NAICS 517919

The 78 contractors with tracked federal awards in NAICS 517919, totalling $7,686,401,987. Ranked by award value.

See live NAICS 517919 opportunities →All contractors

1PERATON INC.$2,700,152,3022 awards
2RAYTHEON COMPANY$606,736,5841 awards
3INDYNE, INC.$576,631,8693 awards
4LOCKHEED MARTIN SERVICES, LLC$472,459,54333 awards
5VERIZON FEDERAL INC.$392,904,2506 awards
6GENERAL DYNAMICS MISSION SYSTEMS, INC.$357,059,9625 awards
7LOCKHEED MARTIN CORP$280,725,7035 awards
8LJT & ASSOCIATES, INC$275,872,2182 awards
9KBR WYLE SERVICES, LLC$241,918,1121 awards
10THE BOEING COMPANY$231,416,6407 awards
11SALIENT FEDERAL SOLUTIONS, INC.$222,894,1021 awards
12L3HARRIS TECHNOLOGIES, INC.$191,799,3543 awards
13TSYMMETRY INC$172,727,2574 awards
14TECHNOLOGY SOLUTIONS PROVIDER, LLC$134,481,3956 awards
15GATR TECHNOLOGIES, INC.$126,940,9678 awards
16BAE SYSTEMS TECHNOLOGY SOLUTIONS & SERVICES INC.$90,156,2941 awards
17SERCO INC$84,917,8213 awards
18NORTHROP GRUMMAN SYSTEMS CORPORATION$84,750,2342 awards
19T-MOBILE SECURE FEDERAL OPERATIONS LLC$70,197,8251 awards
20COPPER RIVER INFRASTRUCTURE SERVICES LLC$46,054,4912 awards
21THE MENTAL HEALTH ASSOCIATION OF NEW YORK CITY, INC.$40,596,8181 awards
22INTERNATIONAL BUSINESS MACHINES CORPORATION$23,522,9781 awards
23VERIZON BUSINESS NETWORK SERVICES LLC$19,675,4621 awards
24LONG WAVE INC.$18,819,2486 awards
25ULTISAT, INC$17,158,07718 awards
26UNIVERSITY SYSTEM OF NEW HAMPSHIRE$17,106,4761 awards
27GRANITE TELECOMMUNICATIONS, LLC$15,129,2166 awards
28SPRINT COMMUNICATIONS CO LP$15,002,9136 awards
29DAWSON ENTERPRISES, INC.$10,780,7151 awards
30GLOBAL BROADBAND SOLUTIONS LLC$9,744,2931 awards
31AVIAT U.S., INC.$9,679,7861 awards
32INFINITY TECHNOLOGY SERVICES LLC$9,581,6151 awards
33ALEUT AEROSPACE ENGINEERING, LLC$8,891,8771 awards
34BABYLON TELECOMMUNICATIONS, INC$8,655,0851 awards
35KT CORPORATION$8,044,3501 awards
36ASRC FEDERAL DATA NETWORX, LLC$6,637,2821 awards
37TRANSACTION NETWORK SERVICES, INC.$6,590,3271 awards
38TELECOM ITALIA SPA O TIM S.P.A.$6,368,3461 awards
39MEGGITT DEFENSE SYSTEMS, INC.$6,161,9851 awards
40ATLAS SPACE OPERATIONS, LLC$5,906,2465 awards
41CORP TEN INTERNATIONAL$5,831,3391 awards
42VALKYRIE ENTERPRISES, LLC$5,689,2242 awards
43INNOVATIVE MANAGEMENT & TECHNOLOGY APPROACHES INC$4,062,0861 awards
44HID GLOBAL CORP$3,623,4234 awards
45ITS GROUP, INC.$3,557,8701 awards
46TYTO ATHENE, LLC$3,079,4512 awards
47ARINC INCORPORATED$2,599,0781 awards
48VETERANS FIRST INITIATIVE LLC$2,551,2041 awards
4922ND CENTURY NETWORKS, INC.$2,350,2442 awards
50PRO TECH CBB, LLC$2,237,7701 awards
51CHEROKEE FEDERAL SOLUTIONS, L.L.C.$2,232,9462 awards
52PINNACLE TOWERS LLC$2,218,4312 awards
53LEVEL 3 COMMUNICATIONS, LLC$2,211,2681 awards
54CSP MGT LLC$1,812,7771 awards
55OSI FEDERAL TECHNOLOGIES INC$1,566,0371 awards
56CYNERGY PROFESSIONAL SYSTEMS LLC$1,488,4501 awards
57101 GLOBAL SOLUTIONS LTD$1,484,1251 awards
58AT&T CORP.$1,408,8083 awards
59ICONECTIV, LLC$1,302,6681 awards
60TLC SOLUTIONS, INC.$1,144,3261 awards