Recipients › California › Antares Nuclear, Inc.
Recipient organisation · UEI GGZRXMT37SR5
Antares Nuclear, Inc.
USAspending caveat. Figures are obligations reported by federal agencies to USAspending.gov, not payments. In USAspending's words: "An outlay occurs when federal money is actually paid out, not just promised to be paid ('obligated')." "Every agency has a Senior Accountable Official who must officially certify that the quarterly financial data submitted by their agency is accurate and complete." "If there are any discrepancies in procurement data, FPDS is the authoritative source." Contract data for the Department of Defense and the U.S. Army Corps of Engineers is published with a 90-day delay. Data loaded 30 Sep 2026. View the USAspending recipient profile.
Federal agencies obligated $13M to Antares Nuclear, Inc., Torrance, CA, in the listed fiscal years 2024, 2025, 2026.
In FY2026, the most recent complete fiscal year, obligations were $7.4M, of which $7.4M (100%) came through contracts.
That is up 257% on FY2025 ($2.1M).
Antares Nuclear, Inc. ranks 2,201 of 2,836 listed organisations located in CA by five-year obligations, and 23,761 of 30,000 nationally.
Its $1.0M-plus awards since FY2023 came from Department of Defense and National Aeronautics and Space Administration: 7 awards worth $13M in total award value.
Its largest contract industry is NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)), where it ranks 658 of 1,463 organisations by the value of $1.0M-plus awards.
Obligations by fiscal year contracts vs assistance
| Fiscal year | All obligations | Contracts | Assistance | Change |
|---|---|---|---|---|
| FY2023 | under $1.0M | — | — | — |
| FY2024 | $3,254,013 | $3,254,013 | $0 | — |
| FY2025 | $2,081,129 | $2,081,129 | $0 | -36% |
| FY2026 | $7,421,729 | $7,421,729 | $0 | +257% |
| FY2027 to date | under $1.0M | — | — | — |
A fiscal year runs 1 October to 30 September. "Contracts" are procurement award types A–D; "assistance" is everything else (grants, direct payments, loan subsidy cost, insurance, other). The contracts column is listed only where contract obligations alone reached $1.0M; the assistance figure is the remainder and may therefore include up to $1.0M of contracts.
Compared with its state and the largest recipients five listed years
| Measure | This organisation | Largest in CA | Largest nationally |
|---|---|---|---|
| Five-year obligations (listed years) | $13M | $416B | $416B |
| FY2026 obligations | $7.4M | $118B | $118B |
| Contracts, five years | $13M | under $1.0M | $94B |
| Assistance, five years | $0 | $416B | $416B |
| Rank by five-year obligations | 23,761 of 30,000 | 1 of 2,836 in CA | 1 |
Largest in state: Health Care Services, California Department of. Largest nationally: Health Care Services, California Department of. Rankings count organisations located in the state, by the sum of their listed fiscal years.
Awarding agencies $1.0M+ awards since FY2023
| # | Agency | Awards | Award value | Share |
|---|---|---|---|---|
| 1 | Department of Defense | 6 | $11M | 90% |
| 2 | National Aeronautics and Space Administration | 1 | $1.2M | 10% |
Contract industries NAICS
Rank within NAICS 541715: 658 of 1,463 organisations by $1.0M+ award value; see Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology).
Places of performance $1.0M+ awards
Counties: Los Angeles County, CA $13M
Largest awards begun since FY2023
| Awarding agency | Type | Industry or program | Award value | Begun | Place | Record |
|---|---|---|---|---|---|---|
| Department of DefenseDepartment of the Air Force | ContractDefinitive Contract | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $4.2M | 30 Jan 2026 | CA | USAspending |
| Department of DefenseDepartment of the Air Force | ContractDefinitive Contract | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $2.0M | 29 Jan 2026 | CA | USAspending |
| Department of DefenseDepartment of the Air Force | ContractDefinitive Contract | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $1.4M | 5 Aug 2024 | CA | USAspending |
| Department of DefenseDepartment of the Air Force | ContractPurchase Order | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $1.2M | 26 Aug 2024 | CA | USAspending |
| Department of DefenseDepartment of the Air Force | ContractPurchase Order | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $1.2M | 16 Sep 2025 | CA | USAspending |
| National Aeronautics and Space Administration | ContractDefinitive Contract | 541713 Research and Development in Nanotechnology | $1.2M | 15 Sep 2026 | CA | USAspending |
| Department of DefenseDepartment of the Air Force | ContractPurchase Order | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $1.2M | 28 Aug 2024 | CA | USAspending |
Award value is the amount obligated to the award to date as USAspending reports it. Descriptions below are USAspending's text, unedited and truncated; those that appear to name a person are withheld.
- $4.2M, Department of Defense, 30 Jan 2026: NUCLEAR ELECTRIC PROPULSION TO ACHIEVE DYNAMIC SPACE OPERATIONS (NEPADSO)
- $2.0M, Department of Defense, 29 Jan 2026: THE PURPOSE OF THIS EFFORT IS TO FOCUS ON THE POWER CONVERSION SYSTEM - THE EQUIPMENT THAT CONVERTS REACTOR HEAT INTO USABLE ELECTRICAL POWER.
- $1.4M, Department of Defense, 5 Aug 2024: UNDER THE EFFORT, THE CONTRACTOR SHALL CONDUCT RESEARCH AND DEVELOPMENT ACTIVITIES IN SUPPORT OF REQUIRED DELIVERABLES NOTED UNDER THE WORK PLAN, INCORPORATED A
- $1.2M, Department of Defense, 26 Aug 2024: RAPIDLY DEPLOYABLE MICROREACTOR FOR DEPARTMENT OF AIR FORCE USE-CASES
- $1.2M, Department of Defense, 16 Sep 2025: SPACE-BASED NEUTRAL PARTICLE BEAM SYSTEM
- $1.2M, National Aeronautics and Space Administration, 15 Sep 2026: NASA'S 2025 SBIR PHASE II
- $1.2M, Department of Defense, 28 Aug 2024: NUCLEAR SYSTEMS FOR HIGH POWER SPACE APPLICATIONS
Questions and answers
How much federal money does Antares Nuclear, Inc. receive?
$13M in award obligations over the fiscal years it is listed for (FY2024: $3.3M; FY2025: $2.1M; FY2026: $7.4M). Years not listed were under the $1.0M floor. Obligations are binding commitments, not payments made.
Which agencies award to Antares Nuclear, Inc.?
By the value of $1.0M-plus awards begun since FY2023: Department of Defense ($11M) and National Aeronautics and Space Administration ($1.2M).
What is the money for?
Contracts are classified under NAICS 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) and NAICS 541713 Research and Development in Nanotechnology.
Where is the work performed?
Primary places of performance for its larger awards: CA ($13M).
Is Antares Nuclear, Inc. a large federal recipient?
It ranks 23,761 of 30,000 organisations on this site by five-year obligations and 2,201 of 2,836 located in CA. The site covers organisations with at least $1.0M in a fiscal year; individuals are excluded.
Where does this data come from?
USAspending.gov (U.S. Treasury), award transactions as loaded on 30 Sep 2026; fiscal-year totals via the spending-by-category endpoint and award lists via the award search endpoint. The USAspending recipient profile is the authoritative record.
Provenance
Source: USAspending.gov API v2 (U.S. Department of the Treasury, Bureau of the Fiscal Service), CC0. Fiscal-year obligations from the spending-by-category recipient ranking by recipient state (listing floor $1.0M per year); awards from the award search endpoint (new awards of $1.0M or more by base obligation date); parent and business categories from the recipient profile where fetched. Closed fiscal years are snapshots taken after year end; FY2027 is refreshed on each build. Data loaded by USAspending on 30 Sep 2026. Individuals and sole proprietors are excluded at ingest. Errors in processing are corrected at the next build; see corrections and the methodology.