PSC AJ: General Science and Technology R&D Services
Service group
Code facts
- Part of
-
- A
- Codes under it
- 57
- Contract awards
- 1,378 In the last 12 months
- Contract obligations
- $5,402,940,013 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 | $24,814,776 |
| FY2026 | $3,750,182,163 |
| FY2025 | $5,402,940,013 |
| FY2024 | $5,523,338,429 |
| FY2023 | $5,216,544,571 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Battelle Savannah River Alliance, LLC | $271,105,307 | |
| 2 | Georgia TECH Applied Research Corp | $196,797,698 | |
| 3 | Advanced Technology International | $188,118,805 | |
| 4 | The Mitre Corporation | $139,799,561 | |
| 5 | Columbus Technologies And Services, Inc. | $82,813,206 | |
| 6 | American Systems Corporation | $77,673,065 | |
| 7 | Every Cure Inc. | $76,045,600 | |
| 8 | Leidos, Inc. | $73,332,378 | |
| 9 | National Security Technology Accelerator Inc. | $71,972,607 | |
| 10 | Modern Technology Solutions, Inc. | $63,653,301 |
See the full FY2025 ranking of PSC AJ contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | National Aeronautics and Space Administration | $823,788,427 | |
| 2 | Department of the Army | $719,407,115 | |
| 3 | Office of the Secretary of Defense | $450,063,763 | |
| 4 | Air Force | $338,953,718 | |
| 5 | Department of the Navy | $331,763,468 | |
| 6 | Department of Energy | $320,999,653 | |
| 7 | Department of Health and Human Services | $224,074,691 | |
| 8 | Department of Homeland Security | $208,423,924 | |
| 9 | Department of Commerce | $71,537,967 | |
| 10 | Washington Headquarters Service | $66,775,646 |
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) | $2,405,121,746 | |
| 2 | 541330 Engineering Services | $133,989,127 | |
| 3 | 541720 Research and Development in the Social Sciences and Humanities | $72,685,185 | |
| 4 | 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) | $68,470,370 | |
| 5 | 541990 All Other Professional, Scientific, and Technical Services | $59,678,927 | |
| 6 | 541511 Custom Computer Programming Services | $49,537,041 | |
| 7 | 541714 Research and Development in Biotechnology (except Nanobiotechnology) | $42,552,409 | |
| 8 | 541713 Research and Development in Nanotechnology | $39,871,545 | |
| 9 | 541380 Testing Laboratories and Services | $23,579,837 | |
| 10 | 517919 All Other Telecommunications | $19,652,399 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $667,376,160 | |
| 2 | Maryland | $483,540,547 | |
| 3 | California | $418,167,067 | |
| 4 | South Carolina | $275,207,356 | |
| 5 | District of Columbia | $264,244,816 | |
| 6 | Georgia | $218,370,826 | |
| 7 | Massachusetts | $178,960,975 | |
| 8 | Colorado | $165,981,226 | |
| 9 | Utah | $119,546,165 | |
| 10 | Ohio | $93,582,637 | |
| 11 | Florida | $85,929,210 | |
| 12 | North Carolina | $78,034,455 | |
| 13 | Texas | $74,010,588 | |
| 14 | New Jersey | $67,476,646 | |
| 15 | Pennsylvania | $64,230,939 | |
| 16 | Oregon | $63,118,654 | |
| 17 | New York | $42,406,940 | |
| 18 | Mississippi | $39,172,596 | |
| 19 | Alabama | $38,688,178 | |
| 20 | Illinois | $32,785,588 | |
| 21 | West Virginia | $31,131,955 | |
| 22 | Arizona | $25,667,010 | |
| 23 | Oklahoma | $23,517,927 | |
| 24 | Washington | $23,118,126 | |
| 25 | Connecticut | $20,802,654 | |
| 26 | New Hampshire | $17,538,867 | |
| 27 | Michigan | $16,028,662 | |
| 28 | Indiana | $15,776,932 | |
| 29 | Alaska | $14,456,794 | |
| 30 | Hawaii | $14,334,109 | |
| 31 | New Mexico | $13,379,305 | |
| 32 | Minnesota | $11,116,415 | |
| 33 | Maine | $10,334,615 | |
| 34 | Rhode Island | $6,780,629 | |
| 35 | Missouri | $6,597,418 | |
| 36 | Delaware | $6,531,496 | |
| 37 | Tennessee | $3,539,057 | |
| 38 | Wisconsin | $3,464,695 | |
| 39 | Montana | $3,099,390 | |
| 40 | Kansas | $3,053,008 | |
| 41 | Vermont | $2,083,083 | |
| 42 | Idaho | $1,935,648 | |
| 43 | Nevada | $1,818,263 | |
| 44 | Louisiana | $1,809,464 | |
| 45 | South Dakota | $1,735,318 | |
| 46 | Kentucky | $1,696,698 | |
| 47 | North Dakota | $782,714 | |
| 48 | Wyoming | $752,560 | |
| 49 | Arkansas | $480,406 | |
| 50 | Puerto Rico | $217,935 | |
| 51 | Nebraska | $196,112 |
Show all 51
Shares are of everything obligated under PSC AJ 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 3,878 listed here. See the rest on GovTribe.
Codes under AJ
Show all 57
Quick answers
What is PSC AJ?
PSC AJ is General Science and Technology R&D Services, a service group in PSC A, Research and Development.
What codes are under PSC AJ?
PSC AJ has 57 codes under it with their own GovTribe pages, including AJ10 R&D – Physical Science, AJ11 General Science and Technology R&D Services; General Science and Technology; Basic Research and AJ12 General Science and Technology R&D Services; General Science and Technology; Applied Research.
How much do federal agencies spend under PSC AJ?
Federal contracts under PSC AJ obligated $5,402,940,013 in fiscal year 2025 and $19,917,819,952 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC AJ?
The contractors with the most obligated under PSC AJ in fiscal years 2026 and 2027 are Battelle Savannah River Alliance, LLC ($271,105,307); Georgia TECH Applied Research Corp ($196,797,698); and Advanced Technology International ($188,118,805).
Which agencies buy the most under PSC AJ?
The agencies that obligated the most under PSC AJ in fiscal years 2026 and 2027 are National Aeronautics and Space Administration ($823,788,427), Department of the Army ($719,407,115) and Office of the Secretary of Defense ($450,063,763).
Which NAICS codes are used with PSC AJ?
The NAICS codes with the most obligated under PSC AJ in fiscal years 2026 and 2027 are 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology); 541330 Engineering Services; and 541720 Research and Development in the Social Sciences and Humanities.
Where is the work under PSC AJ performed?
By place of performance, the states with the most contract obligations under PSC AJ over the last 12 months are Virginia ($667,376,160), Maryland ($483,540,547) and California ($418,167,067).
What is the latest contract opportunity under PSC AJ?
The latest contract opportunity under PSC AJ is “Sensitivity and Resiliency of the Longleaf Pine Savanna Ecosystem to Variations in Rainfall, Fire Regime, and Human Activity Over the Past 12, 000 Years”, award notice from Humphreys Engineer Center Support Activity (USACE), posted October 22, 2026.
On GovTribe
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