National Defense R&D Services: Defense-Related Activities (Experimental Development) Government Contracts
PSC AC33 Service code
Code facts
- Spend category
- Research and Development
- Part of
-
-
A
- AC
-
A
- Contract obligations
- $4,211,070,175 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Market summary
Top buying agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $2,328,078,572 | |
| 2 | Department of the Navy | $957,063,677 | |
| 3 | Air Force | $887,191,856 | |
| 4 | Office of the Secretary of Defense | $356,969,962 | |
| 5 | Defense Threat Reduction Agency | $264,729,373 | |
| 6 | Defense Logistics Agency | $187,541,278 | |
| 7 | Washington Headquarters Service | $62,135,226 | |
| 8 | US Cyber Command | $26,153,550 | |
| 9 | Defense Finance and Accounting Service | $8,090,773 | |
| 10 | Missile Defense Agency | $7,424,816 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Bell Textron Inc. | $1,436,820,202 | |
| 2 | Advanced Technology International | $479,597,469 | |
| 3 | Anduril Industries, Inc. | $357,002,724 | |
| 4 | General Dynamics Mission Systems, Inc. | $254,722,245 | |
| 5 | The National Advanced Mobility Consortium, Inc. | $169,067,173 | |
| 6 | Raytheon Company | $132,985,935 | |
| 7 | DCS Corporation | $114,343,514 | |
| 8 | Applied Research Associates, Inc. | $111,461,098 | |
| 9 | Seacorp, LLC | $99,869,254 | |
| 10 | Mag DS Corp | $85,737,723 |
See the full FY2025 ranking of PSC AC33 contractors, by parent company.
Open contract opportunities
Show 15 more
Latest 25 of 31 listed here. See the rest on GovTribe.
Recent contract awards
Latest 10 of 304 awarded in the last 12 months listed here. See the rest on GovTribe.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $5,100,583,244 |
| FY2025 | $4,211,070,175 |
| FY2024 | $3,344,093,314 |
| FY2023 | $2,233,305,204 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 336411 Aircraft Manufacturing | $1,436,820,202 | |
| 2 | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $1,111,312,880 | |
| 3 | 541330 Engineering Services | $426,877,433 | |
| 4 | 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) | $131,948,496 | |
| 5 | 334290 Other Communications Equipment Manufacturing | $130,515,935 | |
| 6 | 541511 Custom Computer Programming Services | $91,859,062 | |
| 7 | 541990 All Other Professional, Scientific, and Technical Services | $20,773,442 | |
| 8 | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $18,005,945 | |
| 9 | 541512 Computer Systems Design Services | $14,254,465 | |
| 10 | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | $9,633,338 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Texas | $1,177,912,233 | |
| 2 | California | $775,442,468 | |
| 3 | Virginia | $686,856,053 | |
| 4 | South Carolina | $320,749,410 | |
| 5 | Arizona | $212,418,052 | |
| 6 | Rhode Island | $210,963,323 | |
| 7 | Massachusetts | $162,936,173 | |
| 8 | Michigan | $136,664,903 | |
| 9 | Maryland | $125,906,982 | |
| 10 | New Jersey | $118,410,459 | |
| 11 | Alabama | $104,840,872 | |
| 12 | North Carolina | $104,137,656 | |
| 13 | Colorado | $100,599,856 | |
| 14 | New Mexico | $85,969,127 | |
| 15 | Pennsylvania | $66,154,901 | |
| 16 | Hawaii | $47,266,106 | |
| 17 | New York | $41,069,380 | |
| 18 | Florida | $38,490,273 | |
| 19 | District of Columbia | $36,994,628 | |
| 20 | Ohio | $34,027,905 | |
| 21 | Minnesota | $21,868,883 | |
| 22 | Georgia | $19,495,015 | |
| 23 | Washington | $15,740,294 | |
| 24 | Nevada | $12,291,636 | |
| 25 | New Hampshire | $12,025,000 | |
| 26 | Maine | $10,463,891 | |
| 27 | West Virginia | $7,650,000 | |
| 28 | Illinois | $6,647,616 | |
| 29 | Louisiana | $6,598,891 | |
| 30 | Indiana | $6,335,945 | |
| 31 | Tennessee | $5,867,819 | |
| 32 | Delaware | $4,500,000 | |
| 33 | Iowa | $3,800,127 | |
| 34 | Connecticut | $2,993,463 | |
| 35 | Nebraska | $2,988,471 | |
| 36 | Utah | $2,758,226 | |
| 37 | Oklahoma | $2,025,092 | |
| 38 | Alaska | $1,301,130 | |
| 39 | Montana | $1,024,950 |
Show all 39
Shares are of everything obligated under PSC AC33 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Quick answers
What is PSC AC33?
PSC AC33 is National Defense R&D Services; Defense-Related Activities; Experimental Development, a service code in PSC A, Research and Development.
How many government contracts for national defense R&D services: defense-related activities (experimental development) are there?
31 contract opportunities under PSC AC33 are open now, and 20 notices were posted in the last 90 days. Federal agencies awarded 304 contracts under PSC AC33 in the last 12 months, obligating $4,749,373,909.
How much do federal agencies spend under PSC AC33?
Federal contracts under PSC AC33 obligated $4,211,070,175 in fiscal year 2025 and $14,889,051,937 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC AC33?
The contractors with the most obligated under PSC AC33 in fiscal years 2026 and 2027 are Bell Textron Inc. ($1,436,820,202); Advanced Technology International ($479,597,469); and Anduril Industries, Inc. ($357,002,724).
Which agencies buy the most under PSC AC33?
The agencies that obligated the most under PSC AC33 in fiscal years 2026 and 2027 are Department of the Army ($2,328,078,572), Department of the Navy ($957,063,677) and Air Force ($887,191,856).
Which NAICS codes are used with PSC AC33?
The NAICS codes with the most obligated under PSC AC33 in fiscal years 2026 and 2027 are 336411 Aircraft Manufacturing; 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology); and 541330 Engineering Services.
Where is the work under PSC AC33 performed?
By place of performance, the states with the most contract obligations under PSC AC33 over the last 12 months are Texas ($1,177,912,233), California ($775,442,468) and Virginia ($686,856,053).
What is the latest open contract opportunity under PSC AC33?
The latest open contract opportunity under PSC AC33 is Notice of Intent To Award Sole Source WHOI REMUS Support, pre-solicitation from Naval Sea Systems Command (Navy), posted November 10, 2026.
On GovTribe
See everything under PSC AC33
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