PSC AC: National Defense R&D Services
Service group
Code facts
- Part of
-
- A
- Codes under it
- 56
- Contract awards
- 5,412 In the last 12 months
- Contract obligations
- $47,277,230,950 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 | $25,774,083 |
| FY2026 | $52,847,277,292 |
| FY2025 | $47,277,230,950 |
| FY2024 | $50,198,721,371 |
| FY2023 | $44,396,871,966 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Northrop Grumman Systems Corp | $3,577,803,016 | |
| 2 | Advanced Technology International | $3,077,896,327 | |
| 3 | Space Exploration Technologies Corp. | $2,867,358,114 | |
| 4 | Lockheed Martin Corporation | $1,516,305,393 | |
| 5 | National Security Technology Accelerator Inc. | $1,461,083,124 | |
| 6 | Bell Textron Inc. | $1,433,591,993 | |
| 7 | Lockheed Martin Corporation | $1,431,890,442 | |
| 8 | Massachusetts Institute Of Technology | $1,326,116,536 | |
| 9 | The Johns Hopkins University Applied Physics Laboratory LLC | $1,216,753,691 | |
| 10 | The Mitre Corporation | $1,210,059,873 |
See the full FY2025 ranking of PSC AC contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Air Force | $19,197,949,275 | |
| 2 | Department of the Navy | $12,712,216,791 | |
| 3 | Department of the Army | $7,996,375,089 | |
| 4 | Office of the Secretary of Defense | $6,444,557,303 | |
| 5 | Missile Defense Agency | $2,944,860,732 | |
| 6 | Washington Headquarters Service | $1,423,280,831 | |
| 7 | Defense Advanced Research Projects Agency | $1,113,378,741 | |
| 8 | Defense Threat Reduction Agency | $322,474,460 | |
| 9 | Defense Logistics Agency | $202,233,791 | |
| 10 | Army and Air Force Exchange Service | $180,352,857 |
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) | $18,118,404,679 | |
| 2 | 336414 Guided Missile and Space Vehicle Manufacturing | $3,918,004,619 | |
| 3 | 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) | $2,882,415,497 | |
| 4 | 336411 Aircraft Manufacturing | $2,722,411,218 | |
| 5 | 541330 Engineering Services | $1,923,473,940 | |
| 6 | 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing | $1,196,551,308 | |
| 7 | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | $892,529,086 | |
| 8 | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $652,404,252 | |
| 9 | 332993 Ammunition (except Small Arms) Manufacturing | $583,369,418 | |
| 10 | 336412 Aircraft Engine and Engine Parts Manufacturing | $552,455,704 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $8,015,877,069 | |
| 2 | California | $7,946,913,754 | |
| 3 | Utah | $3,864,905,086 | |
| 4 | Texas | $3,846,049,668 | |
| 5 | Alabama | $3,667,400,642 | |
| 6 | Colorado | $3,289,151,778 | |
| 7 | South Carolina | $2,642,842,218 | |
| 8 | Massachusetts | $2,541,567,048 | |
| 9 | Maryland | $2,512,664,943 | |
| 10 | New Jersey | $1,569,243,736 | |
| 11 | Pennsylvania | $1,444,935,170 | |
| 12 | Arizona | $1,434,408,736 | |
| 13 | Florida | $1,399,288,949 | |
| 14 | Ohio | $1,098,662,632 | |
| 15 | Indiana | $1,023,714,445 | |
| 16 | North Carolina | $1,012,205,034 | |
| 17 | Michigan | $940,410,972 | |
| 18 | Connecticut | $584,661,724 | |
| 19 | New York | $458,053,054 | |
| 20 | District of Columbia | $393,662,331 | |
| 21 | New Mexico | $369,499,105 | |
| 22 | Rhode Island | $369,321,063 | |
| 23 | Georgia | $296,378,667 | |
| 24 | Washington | $248,029,844 | |
| 25 | Missouri | $242,412,895 | |
| 26 | Minnesota | $222,864,017 | |
| 27 | New Hampshire | $145,761,101 | |
| 28 | Tennessee | $131,237,759 | |
| 29 | Oklahoma | $123,769,811 | |
| 30 | Hawaii | $117,957,481 | |
| 31 | Vermont | $59,133,826 | |
| 32 | Louisiana | $57,566,434 | |
| 33 | Illinois | $49,179,352 | |
| 34 | Mississippi | $44,612,058 | |
| 35 | North Dakota | $40,801,848 | |
| 36 | West Virginia | $37,018,201 | |
| 37 | South Dakota | $31,858,888 | |
| 38 | Montana | $27,553,819 | |
| 39 | Nevada | $23,787,467 | |
| 40 | Maine | $23,461,369 | |
| 41 | Iowa | $21,689,851 | |
| 42 | Oregon | $20,042,996 | |
| 43 | Nebraska | $18,226,031 | |
| 44 | Kentucky | $14,864,219 | |
| 45 | Delaware | $14,484,572 | |
| 46 | Idaho | $11,730,990 | |
| 47 | Kansas | $10,092,995 | |
| 48 | Wisconsin | $6,207,042 | |
| 49 | Wyoming | $1,323,124 | |
| 50 | Arkansas | $1,186,638 | |
| 51 | Alaska | $1,013,463 | |
| 52 | Puerto Rico | $59,062 |
Show all 52
Shares are of everything obligated under PSC AC 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 5,640 listed here. See the rest on GovTribe.
Codes under AC
Show all 56
Quick answers
What is PSC AC?
PSC AC is National Defense R&D Services, a service group in PSC A, Research and Development.
What codes are under PSC AC?
PSC AC has 56 codes under it with their own GovTribe pages, including AC10 R&D – Aircraft, AC11 National Defense R&D Services; Department of Defense – Military; Basic Research and AC12 National Defense R&D Services; Department of Defense – Military; Applied Research.
How much do federal agencies spend under PSC AC?
Federal contracts under PSC AC obligated $47,277,230,950 in fiscal year 2025 and $194,745,875,662 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC AC?
The contractors with the most obligated under PSC AC in fiscal years 2026 and 2027 are Northrop Grumman Systems Corp ($3,577,803,016), Advanced Technology International ($3,077,896,327) and Space Exploration Technologies Corp. ($2,867,358,114).
Which agencies buy the most under PSC AC?
The agencies that obligated the most under PSC AC in fiscal years 2026 and 2027 are Air Force ($19,197,949,275), Department of the Navy ($12,712,216,791) and Department of the Army ($7,996,375,089).
Which NAICS codes are used with PSC AC?
The NAICS codes with the most obligated under PSC AC in fiscal years 2026 and 2027 are 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology); 336414 Guided Missile and Space Vehicle Manufacturing; and 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology).
Where is the work under PSC AC performed?
By place of performance, the states with the most contract obligations under PSC AC over the last 12 months are Virginia ($8,015,877,069), California ($7,946,913,754) and Utah ($3,864,905,086).
What is the latest contract opportunity under PSC AC?
The latest contract opportunity under PSC AC is High Assurance Computer Systems Security, award notice from Office of Naval Research (SECNAV), posted October 21, 2026.
On GovTribe
See everything under PSC AC
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