Top DoD ship building and repairing contractors
In the 12 months ending Oct 5, 2026, the Department of Defense obligated $21.2B in net prime contract dollars under NAICS 336611, down 40.9% from $36.0B in the preceding 12 months. 548 prime contractors received positive obligations, and 8 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Defense. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
DoD publishes contract data to USAspending with a 90-day delay, so the most recent months understate DoD activity.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top DoD contractors for NAICS 336611
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Electric Boat Corporation | $3.9B | $14.9B | 17.5% | — |
| 2 | Huntington Ingalls Inc | $3.7B | $4.0B | 16.7% | ▲ 1 |
| 3 | Huntington Ingalls Incorporated | $3.6B | $4.6B | 16.4% | ▼ 1 |
| 4 | National Steel and Shipbuilding Company | $2.8B | $550.0M | 12.6% | ▲ 4 |
| 5 | Bath Iron Works Corporation | $2.2B | $2.4B | 9.8% | ▼ 1 |
| 6 | Vigor Marine LLC | $661.1M | $435.8M | 3.0% | ▲ 5 |
| 7 | BAE Systems Maritime Solutions Norfolk Inc. | $533.7M | $295.8M | 2.4% | ▲ 7 |
| 8 | Blueforge Alliance | $472.7M | $366.1M | 2.1% | ▲ 4 |
| 9 | Metro Machine Corp. | $465.9M | $548.2M | 2.1% | — |
| 10 | Detyens Shipyards Inc | $210.7M | $225.3M | 0.9% | ▲ 6 |
| 11 | Conrad Shipyard, L.L.C | $182.6M | $121.3M | 0.8% | ▲ 14 |
| 12 | BAE Systems Maritime Solutions SAN Diego Inc. | $178.4M | $657.2M | 0.8% | ▼ 6 |
| 13 | Austal USA, LLC | $165.2M | $92.1M | 0.8% | ▲ 16 |
| 14 | Epsilon Systems Solutions Inc | $164.1M | $145.9M | 0.7% | ▲ 7 |
| 15 | Textron Systems Corp | $151.1M | $939.8M | 0.7% | ▼ 10 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- National Steel and Shipbuilding Company$550.0M → $2.8B (+$2.2B) · now #4
- BAE Systems Maritime Solutions Norfolk Inc.$295.8M → $533.7M (+$237.9M) · now #7
- Vigor Marine LLC$435.8M → $661.1M (+$225.3M) · now #6
Largest declines
- Electric Boat Corporation$14.9B → $3.9B (−$11.0B) · now #1
- Huntington Ingalls Incorporated$4.6B → $3.6B (−$1.0B) · now #3
- Marinette Marine Corporation$135.8M → −$861.1M (−$996.9M) · no latest-period obligations
New to this market
110 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Crowley Government Services, Inc. | Dec 15, 2025 | $47.1M |
| Decisionpoint Corporation | Jul 22, 2026 | $30.0M |
| HJ Shipbuilding & Construction Co., Ltd. | Dec 14, 2025 | $19.0M |
| Vector CSP LLC | Dec 22, 2025 | $12.4M |
| Omni Consulting Solutions, Inc. | Jul 7, 2026 | $9.7M |
| Derecktor Florida, Inc. | Jul 1, 2026 | $9.1M |
| Eagle Drydock and Marine Services, LLC | Apr 9, 2026 | $8.3M |
| JAG Ketchikan, LLC | Jan 15, 2026 | $4.5M |
Where the money comes from
Funding sub-agencies within the Department of Defense, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| Department of the Navy | $20.9B | $35.5B | Down $14.6B (41.0%) |
| Department of the Army | $165.5M | $360.2M | Down $194.8M (54.1%) |
| Department of the Air Force | $79.1M | $67.0M | Up $12.1M (18.0%) |
| Department of Defense Education Activity | $30.0M | $0 | New |
| Defense Logistics Agency | $22.9M | $26.0M | Down $3.1M (11.9%) |
| Defense Counterintelligence and Security Agency | $9.3M | $8.2M | Up $1.1M (13.4%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| N0002424C4418 | Metro Machine Corp. USS BATAAN (LHD 5)FY 24 DSRA | $407.5M | Oct 21, 2026 |
| N0002423C4424 | National Steel and Shipbuilding Company N00024-23-C-4424 USS CHUNG-HOON/USS JAMES E. WILLIAMS UNDEFINITIZED CONTRACT ACTION FOR PLANNING | $435.1M | Nov 18, 2026 |
| N0002423C2324 | Huntington Ingalls Incorporated DDG 1000/1001 MODERNIZATION PERIOD PLANNING | $344.1M | Dec 31, 2026 |
| N0002413C2305 | Bath Iron Works Corporation FY13-FY17 DDG 51 CLASS SHIP CONSTRUCTION. | $506.9M | Jan 31, 2027 |
| N0002415C4301 | Huntington Ingalls Inc USS COLUMBUS (SSN 762) EOH PLANNING | $773.1M | Apr 1, 2027 |
| N0002424C4212 | Bath Iron Works Corporation CEILING HOLDER | $428.4M | Jul 31, 2027 |
| N0002419C2235 | National Steel and Shipbuilding Company EXPEDITIONARY SEA BASE (ESB) HULL 6 LLTM UCA | $774.9M | Aug 23, 2027 |
| N0002420C4312 | Electric Boat Corporation PLANNING&MATERIAL (O&MN) | $1.2B | Nov 1, 2027 |
| N0002424C2135 | Blueforge Alliance US SIB SUB SUPPLIER DEVELOPMENT SUPPORT | $1.4B | Nov 30, 2027 |
| N0002416C2229 | National Steel and Shipbuilding Company DETAIL DESIGN AND CONSTRUCTION (DD&C) FOR T-AO 205 | $2.8B | Mar 22, 2028 |
Common questions
Who are the top DoD contractors for NAICS 336611?
In the latest 12 months, Electric Boat Corporation ($3.9B), Huntington Ingalls Inc ($3.7B), Huntington Ingalls Incorporated ($3.6B) received the most DoD obligations for ship building and repairing.
How concentrated is this market?
The eight largest primes held 80.5% of positive obligations, and Electric Boat Corporation alone held 17.5%. 110 contractors won their first obligations in this market during the latest 12 months.
Are any large DoD NAICS 336611 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is N0002424C4418 (Metro Machine Corp., $407.5M obligated), ending Oct 21, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 336611 across all agencies
DHS · NAICS 336611
$8.0BDOT · NAICS 336611
$575.6MCommerce · NAICS 336611
$189.8MState Department · NAICS 336611
$47.7MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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