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 335999

Top contractors in NAICS 335999

The 160 contractors with tracked federal awards in NAICS 335999, totalling $1,563,531,255. Ranked by award value.

See live NAICS 335999 opportunities →All contractors

1LOCKHEED MARTIN CORPORATION$365,175,4306 awards
2SAAB, INC.$277,042,0961 awards
3SCIENCE APPLICATIONS INTERNATIONAL CORPORATION$275,219,88964 awards
4DRS NAVAL POWER SYSTEMS INC$92,559,2391 awards
5UNMANNED SYSTEMS INCORPORATED$85,882,3581 awards
6DIVERSIFIED TECHNOLOGIES, INC.$59,330,6574 awards
7RAYTHEON COMPANY$45,359,56011 awards
8OCEUS NETWORKS, LLC$45,273,33720 awards
9EATON CORPORATION$33,651,41565 awards
10MERCURY MISSION SYSTEMS LLC$24,670,7855 awards
11STELLANT SYSTEMS INC$17,507,8722 awards
12ATLANTIC DIVING SUPPLY, INC.$14,627,0067 awards
13SENECA FEDERAL SOLUTIONS, LLC$13,041,5272 awards
14AMERICAN SUPERCONDUCTOR CORP$11,333,6972 awards
15BEAM GLOBAL$11,154,7283 awards
16AXON ENTERPRISE, INC.$11,144,1042 awards
17L3HARRIS TECHNOLOGIES, INC.$11,046,9482 awards
18AEGIS POWER SYSTEMS INC$10,714,7222 awards
19BELL BOEING JOINT PROJECT OFFICE$7,750,2111 awards
20TRACE3 GOVERNMENT, LLC$7,672,2581 awards
21MERCOM, INCORPORATED$7,663,0331 awards
22W S DARLEY & CO$6,192,7336 awards
23VERTIV CORPORATION$5,156,5131 awards
24THALES DEFENSE & SECURITY INC$4,913,3001 awards
25TITAN ROBOTICS INC$4,500,0001 awards
26M. C. DEAN, INC.$4,474,8155 awards
27RANTEC POWER SYSTEMS INC.$3,978,0301 awards
28LEONARDO SPA$3,825,0001 awards
29SENECA STRATEGIC PARTNERS, LLC$3,571,7701 awards
30CPI ELECTRON DEVICE BUSINESS, INC.$3,497,1481 awards
31CREATING TECHNOLOGY SOLUTIONS, LLC$3,433,6301 awards
32JAMAICA BEARINGS CO., INC.$3,381,4273 awards
33L3 TECHNOLOGIES, INC.$3,348,0402 awards
34MARVIN LAND SYSTEMS, INC.$3,162,2001 awards
35CUSTOM MANUFACTURING & ENGINEERING, INC$3,088,3622 awards
36GROUND LEVEL SERVICES LLC$2,922,2411 awards
37ASRC FEDERAL FACILITIES LOGISTICS, LLC$2,851,2322 awards
38BRANTNER AND ASSOCIATES, INC.$2,648,0343 awards
39INTEGRATED PROCUREMENT TECHNOLOGIES$2,499,8401 awards
40RLH INC.$2,482,7813 awards
41PIVOTAL POWER INC$2,444,4151 awards
42MICROSEMI CORP. - RF SIGNAL PROCESSING$2,348,0401 awards
43LEIDOS, INC.$2,339,0055 awards
44GMS INTERNATIONAL CORPORATION$1,863,9642 awards
45EAGLEPICHER TECHNOLOGIES LLC$1,851,2281 awards
46RAYCAP, INC$1,851,0184 awards
47ECI DEFENSE GROUP, INC.$1,786,3602 awards
48CROWDER INDUSTRIAL CONSTRUCTION LLC$1,613,1021 awards
49UVSHELTRON INC$1,530,9561 awards
50LIONHEART ALLIANCE, LLC$1,384,7864 awards
51LAUREL TECHNOLOGIES PARTNERSHIP$1,350,1732 awards
52UNISTAR-SPARCO COMPUTERS, INC.$1,337,2171 awards
53SAFEWARE INC$1,336,7783 awards
54GRAYBAR ELECTRIC COMPANY, INC.$1,287,4851 awards
55MDF TECHNOLOGIES INC$1,243,9001 awards
56PD POWER SYSTEMS, LLC$1,232,9443 awards
57DRS TRAINING & CONTROL SYSTEMS, LLC$1,133,0751 awards
58GREAT LAKES SOUND & VIBRATION INC$1,040,6251 awards
59UNITED PARTITION SYSTEMS INC$1,009,0741 awards
60HUGHEY & PHILLIPS LLC$1,007,6241 awards