National Steel And Shipbuilding Company
San Diego, CA Doing business as Nassco Part of General Dynamics Corp
- UEI
- Q85KVUK3JBF5
- CAGE
- 81220
- Primary NAICS
- 336611 Ship Building and Repairing
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
-
Its parent company, General Dynamics Corporation, ranks:
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
-
- 332119 Metal Crown, Closure, and Other Metal Stamping (except Automotive)
- 332311 Prefabricated Metal Building and Component Manufacturing
- 332312 Fabricated Structural Metal Manufacturing
- 332313 Plate Work Manufacturing
- 332322 Sheet Metal Work Manufacturing
- 332323 Ornamental and Architectural Metal Work Manufacturing
- 332420 Metal Tank (Heavy Gauge) Manufacturing
- 332996 Fabricated Pipe and Pipe Fitting Manufacturing
- Corporate family
-
-
Parent
Reston, VA
VF58HFRNGEL8
-
Parent
Reston, VA
VF58HFRNGEL8
- SAM.gov registration date
- Physical address
- 2798 Harbor Dr, San Diego, CA 92113, USA
- Website
- nassco.com
- Founded
- 1905
- Employees
- 1K-5K
- Estimated annual revenue
- $10B+
- Industry
-
- Industrials
- Transportation
- Marine
- SIC code
- 37 Transportation Equipment
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $2,790,031,067 |
| FY2025 | $549,805,501 |
| FY2024 | $1,404,595,306 |
| FY2023 | $1,156,359,442 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $2,790,031,067 |
Contract vehicles
- Complex and Non-Complex Maintenance on Surface Combatant and Amphibious Class Ships - San Diego
- Littoral Combat Ships Class Sustainment Execution Contract - West Coast Part III
Expired vehicles (1)
Contract awards
Latest 5 listed here. See the rest on GovTribe.
Grant awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Nassco consistently supports the mission of the US navy, repairing and constructing vessel. Nassco is requesting… | Naval Sea Systems Command (Navy) | $1,136,250 | |
| Port security grant program | Federal Emergency Management Agency | $74,290 |
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| General Dynamics Nassco Mayport | Jacksonville, FL | 336611 Ship Building and Repairing |
| Bath Iron Works Corporation | Bath, ME | 336611 Ship Building and Repairing |
| Continental Maritime Of San Diego, LLC | San Diego, CA | 336611 Ship Building and Repairing |
| Southcoast Welding & Manufacturing, Llc. | Chula Vista, CA | 336611 Ship Building and Repairing |
| Ingalls Shipbuilding | Pascagoula, MS | 336611 Ship Building and Repairing |
About the company
National Steel And Shipbuilding Company, doing business as Nassco, is a General Dynamics subsidiary based in San Diego that operates as a prime contractor for naval ship construction, ship repair, and modernization services to the Department of the Navy, competing exclusively in full-and-open procurement with no set-aside designations. Nassco has executed 1,920 awards worth $30.56 billion in combined potential value, nearly all of them to the Naval Sea Systems Command (NAVSEA), with 91% of potential value already obligated.
Nassco's capability portfolio centers on surface and amphibious ship construction, maintenance, repair, and modernization. Representative construction work includes a $6.78 billion fixed-price incentive block buy awarded September 2024 for T-AO 214–221 and T-AO 215 (supply class tanker ships, DDC) under NAVSEA contract N00024-24-C-4535 with completion through January 2036, and a $131.4 million sole-source definitive contract awarded April 2022 for AS(X) concept refinement, preliminary design, and design maturation supporting the next-generation submarine tender program, extending through January 2027. Maintenance and modernization work spans selected restricted availability (SRA), docking selected restricted availability (DSRA), continuous maintenance availability (CMAV), and Chief of Naval Operations (CNO) availabilities. Recent examples include a $222.3 million DSRA on USS America (LHA-6) awarded May 2025 with completion through September 2027 under definitive contract N00024-25-C-4551; a $98.4 million SRA on USS Harpers Ferry (LSD-49) awarded March 2025; a $95.96 million SRA on USS Harpers Ferry awarded March 2025; and $23.6 million and $19.8 million incremental delivery orders in June 2026 for USS Fitzgerald (DDG-62) and USS Lenah H. Sutcliffe Higbee (DDG-123) under the Complex and Non-Complex Maintenance on Surface Combatant and Amphibious Class Ships - San Diego IDIQ.
Customer concentration is total: NAVSEA represents 199 awards and $30.06 billion of combined potential value (98% of portfolio); the US Pacific Fleet Forces, US Coast Guard, and NOAA account for the remainder. Nassco holds three active IDIQs under NAVSEA: the Littoral Combat Ships Class Sustainment Execution Contract - West Coast Part III (awarded May 2025, $2.65 billion ceiling through May 2030) supporting maintenance, repair, and modernization of non-nuclear surface ships homeported in San Diego with multiple-award MAC I, MAC II, and small-business MAC III delivery tracks; the Complex and Non-Complex Maintenance on Surface Combatant and Amphibious Class Ships - San Diego IDIQ (awarded November 2021, $654.8 million ceiling through November 2026, now expired) for CNO availabilities on surface combatants; and a second Complex and Non-Complex Maintenance IDIQ for amphibious ships (awarded November 2021, $538.5 million ceiling through November 2026, now expired). Additional legacy parent vehicles include Basic Ordering Agreements N0002485H8192 (246 task orders) and indefinite delivery contracts N0002483C2094 (171 task orders), N0002482C2287 (132 task orders), and N0002483C8532 (69 task orders), collectively carrying hundreds of maintenance and repair task orders.
Activity has slowed in recent years—five awards in 2022, six in 2023, one in 2024, eight in 2025, and five to date in 2026—reflecting the episodic nature of large ship construction and availability scheduling. Nine awards with combined potential value of $8.41 billion reach ultimate completion within the next twenty-four months and face recompete exposure. Top NAICS categories are Ship Building and Repairing (445 awards) and Engineering Services (1 award); top PSC codes are Non-Nuclear Ship Repair (West) (667 awards), Maintenance/Repair/Rebuild of Equipment - Ships (564 awards), and Modification of Equipment - Ships (315 awards). Nassco subcontracts extensively across repair trades and industrial support: Propulsion Controls Engineering (small business, San Diego-based maritime repair), Tecnico Corporation (small business, ship repair and modernization), Fairbanks Morse (marine propulsion systems), Imia LLC (surface preparation and painting), South Bay Sand Blasting And Tank Cleaning Inc. (minority-owned Hispanic American small business, surface preparation), Quality Refrigeration Company Inc. (small business, HVAC), Brewer Crane LLC (small disadvantaged business, crane and rigging), Coastal Marine Services Inc. (small business, maritime industrial services), and specialty vendors including Epsilon Systems Solutions Inc., Alfa Laval Inc., and surface preparation and coating specialists. Nassco received a $1.136 million Project Grant from NAVSEA under the Improvement of Navy Ship Repair or Alterations Capability Program (CFDA 12.031) on August 2025 extending through December 2026 to fund workforce development, equipment acquisition, and operational improvements at its San Diego shipyard.
Quick answers
Is National Steel And Shipbuilding Company registered in SAM.gov?
Yes. National Steel And Shipbuilding Company's SAM.gov registration is active through July 28, 2027.
Which contract vehicles does National Steel And Shipbuilding Company hold?
National Steel And Shipbuilding Company holds a place on 3 federal contract vehicles, including Complex and Non-Complex Maintenance on Surface Combatant and Amphibious Class Ships - San Diego and Littoral Combat Ships Class Sustainment Execution Contract - West Coast Part III.
How much has National Steel And Shipbuilding Company received in federal contracts?
Federal contracts obligated $549,805,501 to National Steel And Shipbuilding Company in fiscal year 2025 and $5,900,791,316 in fiscal years 2023 through 2027.
How does National Steel And Shipbuilding Company rank among federal contractors?
National Steel And Shipbuilding Company's parent company, General Dynamics Corporation, ranked #1 in PSC 19, #1 in NAICS 3366 and #2 of all federal contractors in FY2025.
What is National Steel And Shipbuilding Company's most recent federal award?
National Steel And Shipbuilding Company's most recent federal contract award is C460A - incorporate repairs from the original work specification package for USS pinckney (DDG-91) fiscal year 2026… (N5523626F5039), from Naval Sea Systems Command (Navy), on July 2, 2026.
On GovTribe
See National Steel And Shipbuilding Company's full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Federal grant awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors