PSC AC11: National Defense R&D Services; Department of Defense – Military; Basic Research
Service code
Code facts
- Spend category
- Research and Development
- Part of
-
-
A
- AC
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A
- Contract awards
- 246 In the last 12 months
- Contract obligations
- $1,781,440,101 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 | $572,916 |
| FY2026 | $2,857,074,968 |
| FY2025 | $1,781,440,101 |
| FY2024 | $1,267,191,302 |
| FY2023 | $884,576,975 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Lockheed Martin Corporation | $743,162,791 | |
| 2 | RTX Corporation | $357,010,417 | |
| 3 | Atlantic Alumina Company LLC | $300,000,000 | |
| 4 | Booz Allen Hamilton Inc. | $250,936,138 | |
| 5 | Crucible JV LLC | $150,000,000 | |
| 6 | The Johns Hopkins University Applied Physics Laboratory LLC | $139,514,420 | |
| 7 | Global Precision Research, LLC | $92,500,000 | |
| 8 | University Of Dayton | $72,086,161 | |
| 9 | Nooks LLC | $55,833,919 | |
| 10 | Yulista Support Services LLC | $53,112,698 |
See the full FY2025 ranking of PSC AC11 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $1,183,243,463 | |
| 2 | Office of the Secretary of Defense | $740,962,380 | |
| 3 | Department of the Army | $455,516,067 | |
| 4 | Air Force | $219,949,881 | |
| 5 | Defense Advanced Research Projects Agency | $135,648,759 | |
| 6 | Washington Headquarters Service | $108,737,513 | |
| 7 | Defense Logistics Agency | $9,774,861 | |
| 8 | Defense Threat Reduction Agency | $1,627,585 | |
| 9 | US Special Operations Command | $1,610,644 | |
| 10 | Defense Health Agency | $1,370,936 |
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) | $779,370,332 | |
| 2 | 336411 Aircraft Manufacturing | $743,401,294 | |
| 3 | 336412 Aircraft Engine and Engine Parts Manufacturing | $358,187,838 | |
| 4 | 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) | $55,913,199 | |
| 5 | 488190 Other Support Activities for Air Transportation | $53,112,698 | |
| 6 | 541330 Engineering Services | $28,422,328 | |
| 7 | 541714 Research and Development in Biotechnology (except Nanobiotechnology) | $21,684,355 | |
| 8 | 336999 All Other Transportation Equipment Manufacturing | $11,202,010 | |
| 9 | 541511 Custom Computer Programming Services | $7,048,777 | |
| 10 | 541990 All Other Professional, Scientific, and Technical Services | $4,290,402 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $959,465,440 | |
| 2 | Texas | $766,723,031 | |
| 3 | Connecticut | $370,915,886 | |
| 4 | Maryland | $146,571,519 | |
| 5 | Ohio | $101,549,678 | |
| 6 | District of Columbia | $100,196,263 | |
| 7 | New Jersey | $82,164,193 | |
| 8 | California | $69,824,574 | |
| 9 | Michigan | $57,283,563 | |
| 10 | Missouri | $26,497,276 | |
| 11 | Massachusetts | $23,789,260 | |
| 12 | Colorado | $22,583,667 | |
| 13 | Oregon | $16,062,991 | |
| 14 | New Mexico | $15,788,727 | |
| 15 | Indiana | $13,928,945 | |
| 16 | North Carolina | $10,307,610 | |
| 17 | New York | $10,270,254 | |
| 18 | Alabama | $10,133,638 | |
| 19 | Rhode Island | $8,924,837 | |
| 20 | Florida | $6,779,103 | |
| 21 | Georgia | $4,415,469 | |
| 22 | Arizona | $3,335,095 | |
| 23 | Iowa | $3,278,170 | |
| 24 | Washington | $2,788,387 | |
| 25 | Hawaii | $2,339,462 | |
| 26 | South Carolina | $2,140,146 | |
| 27 | Minnesota | $2,063,287 | |
| 28 | Illinois | $1,918,246 | |
| 29 | New Hampshire | $1,198,631 | |
| 30 | Utah | $632,581 | |
| 31 | Delaware | $220,000 | |
| 32 | Oklahoma | $209,352 | |
| 33 | Pennsylvania | $180,671 | |
| 34 | Wyoming | $140,000 | |
| 35 | Kentucky | $139,996 | |
| 36 | Nebraska | $138,668 | |
| 37 | Tennessee | $99,938 | |
| 38 | Wisconsin | $78,873 | |
| 39 | Nevada | $15,000 | |
| 40 | North Dakota | $2,000 |
Show all 40
Shares are of everything obligated under PSC AC11 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 487 listed here. See the rest on GovTribe.
Quick answers
What is PSC AC11?
PSC AC11 is National Defense R&D Services; Department of Defense – Military; Basic Research, a service code in PSC A, Research and Development.
How much do federal agencies spend under PSC AC11?
Federal contracts under PSC AC11 obligated $1,781,440,101 in fiscal year 2025 and $6,790,856,262 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC AC11?
The contractors with the most obligated under PSC AC11 in fiscal years 2026 and 2027 are Lockheed Martin Corporation ($743,162,791), RTX Corporation ($357,010,417) and Atlantic Alumina Company LLC ($300,000,000).
Which agencies buy the most under PSC AC11?
The agencies that obligated the most under PSC AC11 in fiscal years 2026 and 2027 are Department of the Navy ($1,183,243,463), Office of the Secretary of Defense ($740,962,380) and Department of the Army ($455,516,067).
Which NAICS codes are used with PSC AC11?
The NAICS codes with the most obligated under PSC AC11 in fiscal years 2026 and 2027 are 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology); 336411 Aircraft Manufacturing; and 336412 Aircraft Engine and Engine Parts Manufacturing.
Where is the work under PSC AC11 performed?
By place of performance, the states with the most contract obligations under PSC AC11 over the last 12 months are Virginia ($959,465,440), Texas ($766,723,031) and Connecticut ($370,915,886).
What is the latest contract opportunity under PSC AC11?
The latest contract opportunity under PSC AC11 is Nassau Proposers Day, special notice from Defense Advanced Research Projects Agency, posted October 20, 2026.
On GovTribe
See everything under PSC AC11
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