PSC F101: Environmental Systems Protection – Air Quality Support
F101 is the product and service code (PSC) federal agencies use for environmental systems protection – air quality support, in the environmental systems protection group. Here are the contracts open under it now, the NAICS codes it pairs with, and who buys and wins this work.
- Open contracts now
- 0
- Spending, FY2026
- $7.3 million
- Share to small businesses
- 42%
Where F101 sits in the PSC Manual
- Category: Service
- Group F: Natural Resources Management
- Group F1: Environmental Systems Protection
- Code F101: Environmental Systems Protection – Air Quality Support
NAICS codes used with PSC F101
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with F101 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 541620 | Environmental Consulting Services | $14 million |
| 541611 | Administrative Management and General Management Consulting Services | $6 million |
| 334519 | Other Measuring and Controlling Device Manufacturing | $4.2 million |
| 562910 | Remediation Services | $3.4 million |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | $1.5 million |
| 541330 | Engineering Services | $1.3 million |
Who buys under PSC F101
Agencies with the most contract dollars under F101 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Environmental Protection Agency | $18 million |
| Department of State | $4.3 million |
| Department of the Army | $3.7 million |
| Department of the Navy | $2.2 million |
| National Institutes of Health | $1.5 million |
| Department of Veterans Affairs | $1.4 million |
| Federal Acquisition Service | $573,844 |
| Forest Service | $181,983 |
Federal spending under PSC F101 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $15.4 million |
| FY2025 | $9.3 million |
| FY2026 | $7.3 million |
| FY2027 (so far) | $599,763 |
Who wins PSC F101 contracts
| Company | Obligated, last 3 years |
|---|---|
| University of North Carolina at Chapel Hill | $6.2 million |
| Research Triangle Institute | $6 million |
| Wilbur Technical Services LLC | $4.1 million |
| Eastern Research Group Inc | $3.9 million |
| Q & a Diversified LLC | $2.1 million |
| American Testing, Inc. | $1.5 million |
| Verina-Renova JV LLC | $1.5 million |
| Bluestone Interspec JV, LLC | $1.3 million |
| Techlaw Consultants Inc | $1.2 million |
| Brand Construction LLC | $659,087 |
Related PSC codes
- F102 Ind Invest Surv/TCH Sup
- F103 Environmental Systems Protection – Water Quality Support
- F104 Ind Invest Surv/TCH Sup
- F105 Environmental Systems Protection – Pesticides Support
- F106 Toxic Substances Support Services
- F107 Environmental Systems Protection – Toxic and Hazardous Substance Analysis
- F108 Environmental Systems Protection – Environmental Remediation
- F109 Environmental Systems Protection – Leaking Underground Storage Tank Support
- F110 Environ Sys Protect – Development of Environ Impact STMTS/Assessments, Tech Analysis/Environ Audits
- F111 Environmental Systems Protection – Multiple Pollutant Support
Frequently asked questions
What is PSC F101?
F101 is the service code in the federal Product and Service Code (PSC) Manual for environmental systems protection – air quality support, under F (Natural Resources Management) and F1 (Environmental Systems Protection). Agencies put a PSC on every contract to record what they bought.
What is the difference between a PSC and a NAICS code?
A PSC describes what the government is buying. A NAICS code describes the industry of the business doing the work, and it sets the SBA size standard for small business set-asides. Every contract notice has both.
Which NAICS code goes with PSC F101?
Most federal contract dollars under PSC F101 go with NAICS 541620 (Environmental Consulting Services), according to USAspending.gov. The contracting officer picks the NAICS code for each solicitation, so check the notice.
How do I find contracts that use PSC F101?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. FedReady can match new ones to your business and email you, free.