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 336611

Top contractors in NAICS 336611

The 364 contractors with tracked federal awards in NAICS 336611, totalling $283,407,841,835. Ranked by award value.

See live NAICS 336611 opportunities →All contractors

1ELECTRIC BOAT CORPORATION$92,134,959,17225 awards
2HUNTINGTON INGALLS INC$52,607,673,65045 awards
3HUNTINGTON INGALLS INCORPORATED$39,397,946,36137 awards
4BATH IRON WORKS CORPORATION$23,575,408,28113 awards
5NATIONAL STEEL AND SHIPBUILDING COMPANY$11,651,336,08318 awards
6AUSTAL USA, LLC$11,326,003,47347 awards
7LOCKHEED MARTIN CORPORATION$7,581,431,17323 awards
8BOLLINGER SHIPYARDS LOCKPORT, L.L.C.$4,844,372,99412 awards
9DAVIE DEFENSE INC.$3,500,000,0001 awards
10TEXTRON SYSTEMS CORP$3,076,873,0394 awards
11MARINETTE MARINE CORPORATION$3,032,567,8634 awards
12BOLLINGER MISSISSIPPI SHIPBUILDING, LLC$2,527,337,1934 awards
13BAE SYSTEMS MARITIME SOLUTIONS NORFOLK INC.$2,225,990,23618 awards
14VIGOR MARINE LLC$1,993,029,54729 awards
15EASTERN SHIPBUILDING GROUP, INC.$1,837,801,2232 awards
16BAE SYSTEMS MARITIME SOLUTIONS SAN DIEGO INC.$1,443,842,15624 awards
17METRO MACHINE CORP.$1,401,788,65914 awards
18BECHTEL PLANT MACHINERY, INC.$1,179,194,0231 awards
19RAUMA MARINE CONSTRUCTIONS OY$1,122,648,7751 awards
20TOTE SERVICES, LLC$983,873,9068 awards
21BLUEFORGE ALLIANCE$923,094,8231 awards
22BAE SYSTEMS HAWAII SHIPYARDS INC.$606,407,5241 awards
23THOMA-SEA MARINE CONSTRUCTORS, L.L.C.$596,500,78115 awards
24CONTINENTAL MARITIME OF SAN DIEGO, LLC$594,586,6499 awards
25RAYTHEON COMPANY$580,153,8309 awards
26NORTHSTAR MARITIME DISMANTLEMENT SERVICES, LLC$533,749,7311 awards
27BIRDON AMERICA INC$529,142,48212 awards
28BAE SYSTEMS JACKSONVILLE SHIP REPAIR LLC$502,288,18310 awards
29DETYENS SHIPYARDS INC$488,562,67227 awards
30HII FLEET SUPPORT GROUP LLC$484,591,25474 awards
31MARINE HYDRAULICS INTERNATIONAL, LLC$355,548,9098 awards
32CROWLEY GOVERNMENT SERVICES, INC.$326,177,80060 awards
33ALABAMA SHIPYARD LLC$315,285,74815 awards
34EAST COAST REPAIR & FABRICATION, LLC$310,598,03232 awards
35METRO MACHINE CORP$306,296,02621 awards
36PACIFIC SHIPYARDS INTERNATIONAL, LLC$299,309,32121 awards
37CONRAD SHIPYARD, L.L.C$285,053,8825 awards
38OCEANEERING INTERNATIONAL INC$265,958,6644 awards
39QED SYSTEMS, INC.$247,397,55629 awards
40TELEDYNE BROWN ENGINEERING, INC.$242,754,6941 awards
41MARITIME APPLIED PHYSICS CORPORATION$233,689,9901 awards
42COLONNA'S SHIP YARD, INCORPORATED$222,649,35350 awards
43BAE SYSTEMS LAND & ARMAMENTS L.P.$220,332,64110 awards
44GLOBAL MARITEK SYSTEMS INC$207,132,0971 awards
45AMENTUM SERVICES, INC.$197,469,99114 awards
46NAVANTIA, S.A., S.M.E.$189,849,01522 awards
47PRISM MARITIME, INC.$175,939,3187 awards
48OWL INTERNATIONAL INC.$175,044,0145 awards
49MARE ISLAND DRY DOCK LLC$173,618,55615 awards
50DELPHINUS ENGINEERING, INC.$171,177,21843 awards
51EPSILON SYSTEMS SOLUTIONS INC$166,258,79679 awards
52BAY SHIP & YACHT CO$163,912,43417 awards
53JAG ALASKA INC.$154,951,09213 awards
54SWIFTSHIPS, LLC$152,461,5751 awards
55OFFSHORE SERVICE VESSELS, L.L.C.$126,935,3671 awards
56GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.$126,201,39018 awards
57VIGOR WORKS LLC$106,684,8233 awards
58JAG KETCHIKAN, LLC$106,228,3443 awards
59IMIA, LLC$106,068,18012 awards
60EPSILON SYSTEMS SOLUTIONS, INC.$105,700,90812 awards