PSC F1: Environmental Systems Protection
Service group
Code facts
- Part of
-
- F
- Codes under it
- 15
- Contract awards
- 1,860 In the last 12 months
- Contract obligations
- $2,603,659,126 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 | $3,762,880 |
| FY2026 | $1,546,053,140 |
| FY2025 | $2,603,659,126 |
| FY2024 | $3,396,546,538 |
| FY2023 | $2,973,111,620 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | North Wind Portage, Inc. | $74,665,824 | |
| 2 | Kemron / Arrowhead JV, LLC | $71,128,445 | |
| 3 | Tehama Technical Services, LLC | $47,981,294 | |
| 4 | Bechtel National, Inc. | $46,453,551 | |
| 5 | Environmental Restoration LLC | $45,243,797 | |
| 6 | AECOM Technical Services, Inc. | $42,738,224 | |
| 7 | EA Engineering, Science, And Technology, Inc., PBC | $37,918,179 | |
| 8 | Enviro-Fix Solutions LLC | $36,620,937 | |
| 9 | Weston Solutions Inc. | $36,571,686 | |
| 10 | Cape Environmental Management Inc. | $35,489,669 |
See the full FY2025 ranking of PSC F1 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Environmental Protection Agency | $521,217,278 | |
| 2 | Department of the Army | $458,894,221 | |
| 3 | Department of Homeland Security | $143,505,788 | |
| 4 | Department of Energy | $78,437,375 | |
| 5 | Department of the Navy | $77,544,424 | |
| 6 | Department of the Interior | $63,309,271 | |
| 7 | Department of Transportation | $48,276,333 | |
| 8 | Air Force | $36,232,588 | |
| 9 | Department of Veterans Affairs | $29,804,220 | |
| 10 | Department of State | $22,117,886 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 562910 Remediation Services | $1,120,144,553 | |
| 2 | 541620 Environmental Consulting Services | $143,942,528 | |
| 3 | 562211 Hazardous Waste Treatment and Disposal | $99,930,051 | |
| 4 | 541330 Engineering Services | $61,350,112 | |
| 5 | 213112 Support Activities for Oil and Gas Operations | $38,284,877 | |
| 6 | 562112 Hazardous Waste Collection | $22,740,118 | |
| 7 | 541380 Testing Laboratories and Services | $11,878,432 | |
| 8 | 561210 Facilities Support Services | $9,456,470 | |
| 9 | 541611 Administrative Management and General Management Consulting Services | $8,869,199 | |
| 10 | 115310 Support Activities for Forestry | $5,137,349 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Louisiana | $109,564,226 | |
| 2 | California | $101,149,749 | |
| 3 | New Jersey | $88,251,596 | |
| 4 | Colorado | $76,325,844 | |
| 5 | Pennsylvania | $72,618,616 | |
| 6 | Montana | $68,392,051 | |
| 7 | Michigan | $64,778,917 | |
| 8 | Tennessee | $64,064,854 | |
| 9 | Utah | $59,700,269 | |
| 10 | Washington | $54,892,428 | |
| 11 | Alaska | $53,937,763 | |
| 12 | Kansas | $50,729,264 | |
| 13 | Massachusetts | $49,367,430 | |
| 14 | Arizona | $43,249,866 | |
| 15 | New York | $40,482,946 | |
| 16 | Ohio | $33,297,496 | |
| 17 | North Carolina | $32,928,142 | |
| 18 | New Mexico | $31,671,098 | |
| 19 | Alabama | $31,453,685 | |
| 20 | Virginia | $29,384,664 | |
| 21 | Georgia | $29,372,796 | |
| 22 | Texas | $28,776,008 | |
| 23 | Missouri | $28,353,549 | |
| 24 | Illinois | $24,751,061 | |
| 25 | Wisconsin | $21,754,292 | |
| 26 | Connecticut | $21,222,247 | |
| 27 | Mississippi | $18,442,545 | |
| 28 | Kentucky | $17,840,519 | |
| 29 | District of Columbia | $13,160,801 | |
| 30 | Puerto Rico | $10,770,270 | |
| 31 | Indiana | $10,732,554 | |
| 32 | Hawaii | $9,626,800 | |
| 33 | Oregon | $9,612,540 | |
| 34 | South Carolina | $9,334,427 | |
| 35 | Northern Mariana Islands | $8,493,469 | |
| 36 | Idaho | $7,549,220 | |
| 37 | Minnesota | $7,054,747 | |
| 38 | Florida | $6,548,156 | |
| 39 | Rhode Island | $5,969,524 | |
| 40 | Maine | $5,380,362 | |
| 41 | Vermont | $3,694,969 | |
| 42 | Iowa | $3,424,594 | |
| 43 | Wyoming | $3,176,583 | |
| 44 | West Virginia | $3,024,420 | |
| 45 | Nevada | $2,861,523 | |
| 46 | Delaware | $2,670,432 | |
| 47 | Arkansas | $2,284,573 | |
| 48 | New Hampshire | $2,186,884 | |
| 49 | Oklahoma | $1,966,142 | |
| 50 | Nebraska | $1,094,763 | |
| 51 | South Dakota | $1,083,111 | |
| 52 | Guam | $546,586 | |
| 53 | North Dakota | $367,979 |
Show all 53
Shares are of everything obligated under PSC F1 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 6,137 listed here. See the rest on GovTribe.
Codes under F1
Show all 15
Quick answers
What is PSC F1?
PSC F1 is Environmental Systems Protection, a service group in PSC F, Natural Resources Management.
What codes are under PSC F1?
PSC F1 has 15 codes under it with their own GovTribe pages, including F101 Air Quality Support Services, F102 Industrial Investigation Surveys and Technical Support Related to Air Pollution and F103 Water Quality Support Services.
How much do federal agencies spend under PSC F1?
Federal contracts under PSC F1 obligated $2,603,659,126 in fiscal year 2025 and $10,523,133,304 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC F1?
The contractors with the most obligated under PSC F1 in fiscal years 2026 and 2027 are North Wind Portage, Inc. ($74,665,824); Kemron / Arrowhead JV, LLC ($71,128,445); and Tehama Technical Services, LLC ($47,981,294).
Which agencies buy the most under PSC F1?
The agencies that obligated the most under PSC F1 in fiscal years 2026 and 2027 are Environmental Protection Agency ($521,217,278), Department of the Army ($458,894,221) and Department of Homeland Security ($143,505,788).
Which NAICS codes are used with PSC F1?
The NAICS codes with the most obligated under PSC F1 in fiscal years 2026 and 2027 are 562910 Remediation Services, 541620 Environmental Consulting Services and 562211 Hazardous Waste Treatment and Disposal.
Where is the work under PSC F1 performed?
By place of performance, the states with the most contract obligations under PSC F1 over the last 12 months are Louisiana ($109,564,226), California ($101,149,749) and New Jersey ($88,251,596).
What is the latest contract opportunity under PSC F1?
The latest contract opportunity under PSC F1 is Region 7 Southeast Mines Superfund Site, pre-solicitation from ENDIST St Louis (USACE), posted October 21, 2026.
On GovTribe
See everything under PSC F1
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
- Contacts who buy under this code
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