PSC AC23: National Defense R&D Services; Atomic Energy Defense Activities; Experimental Development
Service code
Code facts
- Spend category
- Research and Development
- Part of
-
-
A
- AC
-
A
- Contract awards
- 4 In the last 12 months
- Contract obligations
- $1,465,156,034 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 | $895,884,521 |
| FY2025 | $1,465,156,034 |
| FY2024 | $1,862,832,622 |
| FY2023 | $1,767,726,877 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Raytheon Company | $508,798,916 | |
| 2 | The Boeing Company | $63,907,462 | |
| 3 | The Johns Hopkins University Applied Physics Laboratory LLC | $57,275,070 | |
| 4 | Utah State University Space Dynamics Laboratory | $55,059,087 | |
| 5 | Lockheed Martin Corporation | $30,748,443 | |
| 6 | L3Harris Technologies, Inc. | $23,358,689 | |
| 7 | Intuitive Research And Technology Corporation | $22,992,061 | |
| 8 | Amentum Technology, Inc. | $20,255,252 | |
| 9 | Dtechlogic LLC | $17,450,000 | |
| 10 | Northrop Grumman Systems Corporation | $16,038,488 |
See the full FY2025 ranking of PSC AC23 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Air Force | $716,636,832 | |
| 2 | Missile Defense Agency | $112,467,281 | |
| 3 | Department of the Army | $63,597,709 | |
| 4 | Defense Advanced Research Projects Agency | $1,343,555 | |
| 5 | Department of the Navy | $1,236,322 | |
| 6 | Washington Headquarters Service | $514,259 | |
| 7 | Department of Health and Human Services | $88,650 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 332993 Ammunition (except Small Arms) Manufacturing | $509,484,201 | |
| 2 | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $238,380,986 | |
| 3 | 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | $63,907,462 | |
| 4 | 336414 Guided Missile and Space Vehicle Manufacturing | $30,748,443 | |
| 5 | 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) | $19,521,449 | |
| 6 | 541511 Custom Computer Programming Services | $15,982,405 | |
| 7 | 541330 Engineering Services | $6,466,230 | |
| 8 | 511210 Software Publishers | $514,259 | |
| 9 | 325414 Biological Product (except Diagnostic) Manufacturing | $88,650 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Arizona | $508,793,916 | |
| 2 | Maryland | $77,445,797 | |
| 3 | California | $71,159,988 | |
| 4 | Alabama | $68,935,790 | |
| 5 | Utah | $55,227,633 | |
| 6 | Colorado | $39,013,432 | |
| 7 | Texas | $31,262,702 | |
| 8 | Florida | $23,348,727 | |
| 9 | Virginia | $9,697,014 | |
| 10 | North Carolina | $4,308,000 | |
| 11 | Connecticut | $3,548,000 | |
| 12 | Georgia | $1,573,167 | |
| 13 | Hawaii | $435,000 | |
| 14 | Iowa | $55,000 | |
| 15 | Ohio | $39,339 |
Show all 15
Shares are of everything obligated under PSC AC23 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
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Latest 50 of 134 listed here. See the rest on GovTribe.
Quick answers
What is PSC AC23?
PSC AC23 is National Defense R&D Services; Atomic Energy Defense Activities; Experimental Development, a service code in PSC A, Research and Development.
How much do federal agencies spend under PSC AC23?
Federal contracts under PSC AC23 obligated $1,465,156,034 in fiscal year 2025 and $5,991,600,054 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC AC23?
The contractors with the most obligated under PSC AC23 in fiscal years 2026 and 2027 are Raytheon Company ($508,798,916), The Boeing Company ($63,907,462) and The Johns Hopkins University Applied Physics Laboratory LLC ($57,275,070).
Which agencies buy the most under PSC AC23?
The agencies that obligated the most under PSC AC23 in fiscal years 2026 and 2027 are Air Force ($716,636,832), Missile Defense Agency ($112,467,281) and Department of the Army ($63,597,709).
Which NAICS codes are used with PSC AC23?
The NAICS codes with the most obligated under PSC AC23 in fiscal years 2026 and 2027 are 332993 Ammunition (except Small Arms) Manufacturing; 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology); and 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing.
Where is the work under PSC AC23 performed?
By place of performance, the states with the most contract obligations under PSC AC23 over the last 12 months are Arizona ($508,793,916), Maryland ($77,445,797) and California ($71,159,988).
What is the latest contract opportunity under PSC AC23?
The latest contract opportunity under PSC AC23 is House Dust Mite Antibody Sets to Standardize Allergen Extracts, solicitation from FDA Office of Acquisition and Grant Services, posted September 1, 2026.
On GovTribe
See everything under PSC AC23
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