PSC 4470: Nuclear Reactors
Product code
Code facts
- Spend category
- Aircraft, Ships/Submarines & Land Vehicles Ships & Submarines
- Part of
-
- 44
- Contract awards
- 76 In the last 12 months
- Contract obligations
- $2,116,065,409 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $1,344,171,267 |
| FY2025 | $2,116,065,409 |
| FY2024 | $2,077,991,261 |
| FY2023 | $3,075,423,319 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Fluor Marine Propulsion, LLC | $1,274,719,958 | |
| 2 | Electric Boat Corporation | $31,876,044 | |
| 3 | Westinghouse Government Services LLC | $25,230,672 | |
| 4 | Huntington Ingalls Inc. | $7,450,365 | |
| 5 | Peerless Instrument Co., Inc. | $1,905,371 | |
| 6 | Waltron Bull & Roberts, LLC | $1,252,095 | |
| 7 | General Nuclear Corp | $271,730 | |
| 8 | Dibert Valve And Fitting Company, Incorporated | $240,975 | |
| 9 | Marine Electric Systems Inc. | $168,000 | |
| 10 | Lockheed Martin Corp | $166,008 |
See the full FY2025 ranking of PSC 4470 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $1,318,940,526 | |
| 2 | Department of Energy | $25,230,672 | |
| 3 | Defense Logistics Agency | $90 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $1,274,719,958 | |
| 2 | 541330 Engineering Services | $31,876,044 | |
| 3 | 334517 Irradiation Apparatus Manufacturing | $25,230,672 | |
| 4 | 332410 Power Boiler and Heat Exchanger Manufacturing | $7,450,365 | |
| 5 | 333998 All Other Miscellaneous General Purpose Machinery Manufacturing | $2,514,096 | |
| 6 | 334412 Bare Printed Circuit Board Manufacturing | $1,066,770 | |
| 7 | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $378,516 | |
| 8 | 332919 Other Metal Valve and Pipe Fitting Manufacturing | $338,137 | |
| 9 | 335312 Motor and Generator Manufacturing | $116,671 | |
| 10 | 313110 Fiber, Yarn, and Thread Mills | $92,848 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Pennsylvania | $1,300,665,156 | |
| 2 | Connecticut | $31,895,035 | |
| 3 | Virginia | $7,691,340 | |
| 4 | New York | $1,981,769 | |
| 5 | New Jersey | $1,316,128 | |
| 6 | Tennessee | $92,848 | |
| 7 | Florida | $85,238 | |
| 8 | Ohio | $79,158 | |
| 9 | Maryland | $51,125 | |
| 10 | California | $35,379 | |
| 11 | Indiana | $25,325 | |
| 12 | Wisconsin | $23,589 | |
| 13 | Colorado | $17,580 | |
| 14 | North Carolina | $11,750 | |
| 15 | Kansas | $8,945 | |
| 16 | Illinois | $1,410 |
Show all 16
Contract opportunities
Show 40 more
Latest 50 of 684 listed here. See the rest on GovTribe.
Definition
Includes: Refueling Machines; Ion Chamber Seals; Thermal Barriers; Control Rods; Steam Generators, Pressurized Water; Reactor Vessel Shells; Handling Carts, Hoisting Units, New and Spent Cartridges. This class includes all types of nuclear reactors and those items which are specifically designed for use within nuclear reactors, their primary cooling systems, auxiliary fluid systems, special propulsion plant systems, handling and servicing equipment, electrical and control systems, and associated special test and water chemistry control items. Excluded from this class are those items for which more specific classifications are suitable.
Quick answers
What is PSC 4470?
PSC 4470 is Nuclear Reactors, a product code in PSC 44, Furnace/
How much do federal agencies spend under PSC 4470?
Federal contracts under PSC 4470 obligated $2,116,065,409 in fiscal year 2025 and $8,613,651,255 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC 4470?
The contractors with the most obligated under PSC 4470 in fiscal years 2026 and 2027 are Fluor Marine Propulsion, LLC ($1,274,719,958); Electric Boat Corporation ($31,876,044); and Westinghouse Government Services LLC ($25,230,672).
Which agencies buy the most under PSC 4470?
The agencies that obligated the most under PSC 4470 in fiscal years 2026 and 2027 are Department of the Navy ($1,318,940,526), Department of Energy ($25,230,672) and Defense Logistics Agency ($90).
Which NAICS codes are used with PSC 4470?
The NAICS codes with the most obligated under PSC 4470 in fiscal years 2026 and 2027 are 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology); 541330 Engineering Services; and 334517 Irradiation Apparatus Manufacturing.
Where is the work under PSC 4470 performed?
By place of performance, the states with the most contract obligations under PSC 4470 over the last 12 months are Pennsylvania ($1,300,665,156), Connecticut ($31,895,035) and Virginia ($7,691,340).
What is the latest contract opportunity under PSC 4470?
The latest contract opportunity under PSC 4470 is Seal ring, nuclear c, solicitation from Naval Supply Systems Command (Navy), posted October 22, 2026.
On GovTribe
See everything under PSC 4470
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