PSC AH51: Natural Resources and Environment R&D Services; Other Natural Resources; Basic Research
Service code
Code facts
- Spend category
- Research and Development
- Part of
-
-
A
- AH
-
A
- Contract awards
- 11 In the last 12 months
- Contract obligations
- $4,773,515 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 | $4,317,733 |
| FY2025 | $4,773,515 |
| FY2024 | $14,292,968 |
| FY2023 | $14,630,267 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Specpro Sustainment And Environmental, LLC | $1,707,773 | |
| 2 | Case Western Reserve University | $320,502 | |
| 3 | Cornell University | $222,000 | |
| 4 | University Of California, LOS Angeles | $201,952 | |
| 5 | Northeastern University | $200,000 | |
| 6 | Leidos, Inc. | $188,628 | |
| 7 | Science Systems And Applications, Inc. | $187,014 | |
| 8 | Southwest Research Institute | $185,684 | |
| 9 | University Of Florida | $184,330 | |
| 10 | Michigan State University | $179,084 |
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Environmental Protection Agency | $1,762,968 | |
| 2 | Department of the Army | $1,287,157 | |
| 3 | Department of the Interior | $1,161,763 | |
| 4 | National Aeronautics and Space Administration | $105,845 |
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) | $3,921,855 | |
| 2 | 611310 Colleges, Universities, and Professional Schools | $201,952 | |
| 3 | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | $105,845 | |
| 4 | 813312 Environment, Conservation and Wildlife Organizations | $88,081 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Minnesota | $1,707,773 | |
| 2 | Ohio | $320,502 | |
| 3 | Florida | $317,818 | |
| 4 | New York | $222,000 | |
| 5 | California | $201,952 | |
| 6 | Massachusetts | $200,000 | |
| 7 | Virginia | $188,628 | |
| 8 | Maryland | $187,014 | |
| 9 | Texas | $185,684 | |
| 10 | Michigan | $183,886 | |
| 11 | Utah | $178,283 | |
| 12 | Mississippi | $105,845 | |
| 13 | Connecticut | $60,072 | |
| 14 | Tennessee | $60,000 | |
| 15 | North Carolina | $55,195 |
Show all 15
Shares are of everything obligated under PSC AH51 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 61 listed here. See the rest on GovTribe.
Quick answers
What is PSC AH51?
PSC AH51 is Natural Resources and Environment R&D Services; Other Natural Resources; Basic Research, a service code in PSC A, Research and Development.
How much do federal agencies spend under PSC AH51?
Federal contracts under PSC AH51 obligated $4,773,515 in fiscal year 2025 and $38,014,483 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC AH51?
The contractors with the most obligated under PSC AH51 in fiscal years 2026 and 2027 are Specpro Sustainment And Environmental, LLC ($1,707,773); Case Western Reserve University ($320,502); and Cornell University ($222,000).
Which agencies buy the most under PSC AH51?
The agencies that obligated the most under PSC AH51 in fiscal years 2026 and 2027 are Environmental Protection Agency ($1,762,968), Department of the Army ($1,287,157) and Department of the Interior ($1,161,763).
Which NAICS codes are used with PSC AH51?
The NAICS codes with the most obligated under PSC AH51 in fiscal years 2026 and 2027 are 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology); 611310 Colleges, Universities, and Professional Schools; and 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables.
Where is the work under PSC AH51 performed?
By place of performance, the states with the most contract obligations under PSC AH51 over the last 12 months are Minnesota ($1,707,773), Ohio ($320,502) and Florida ($317,818).
What is the latest contract opportunity under PSC AH51?
The latest contract opportunity under PSC AH51 is Next Generation Sequencing (NGS) Services, award notice, posted March 20, 2026.
On GovTribe
See everything under PSC AH51
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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