PSC F109: Environmental Systems Protection – Leaking Underground Storage Tank Support
F109 is the product and service code (PSC) federal agencies use for environmental systems protection – leaking underground storage tank 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
- 2
- Spending, FY2026
- $110,735
- Share to small businesses
- 72%
Open contracts with PSC F109, due soonest
- Water Management Program and Chemical Testing VAMC Boston Healthcare System
Due in 20 daysOct 30, 2026
- Fort Leavenworth Underground Fuel Tank Testing and Repair Services
✦ The Army's Mission and Installation Contracting Command at Fort Leavenworth, Kansas is doing market research (sources sought) for annual testing and repair of ten underground…
Due in 27 daysNov 6, 2026
Where F109 sits in the PSC Manual
- Category: Service
- Group F: Natural Resources Management
- Group F1: Environmental Systems Protection
- Code F109: Environmental Systems Protection – Leaking Underground Storage Tank Support
NAICS codes used with PSC F109
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with F109 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 541330 | Engineering Services | $874,227 |
| 562910 | Remediation Services | $688,670 |
| 237120 | Oil and Gas Pipeline and Related Structures Construction | $496,195 |
| 541380 | Testing Laboratories and Services | $377,622 |
| 561210 | Facilities Support Services | $364,905 |
| 541620 | Environmental Consulting Services | $223,424 |
Who buys under PSC F109
Agencies with the most contract dollars under F109 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Army | $1.4 million |
| Department of Veterans Affairs | $1.1 million |
| National Aeronautics and Space Administration | $392,435 |
| Department of the Air Force | $229,293 |
| Department of the Navy | $171,016 |
| Bureau of Land Management | $97,194 |
| Federal Prison Industries / Unicor | $62,515 |
| Federal Prison System / Bureau of Prisons | $38,266 |
On open notices right now, the most F109 work comes from Dept of Defense and Department of Veterans Affairs.
Federal spending under PSC F109 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $1.7 million |
| FY2025 | $1.8 million |
| FY2026 | $110,735 |
| FY2027 (so far) | $0 |
Who wins PSC F109 contracts
| Company | Obligated, last 3 years |
|---|---|
| Ea Engineering, Science, and Technology, Inc., PBC | $653,411 |
| Dawson Solutions, Inc. | $451,884 |
| The Boeing Company | $392,435 |
| Gebrüder Theissinger GMBH | $364,905 |
| J3 Enterprise LLC | $243,681 |
| Pars Consulting Engineers, Inc | $162,556 |
| JF Acquisition, LLC | $157,577 |
| Chugach Solutions Enterprise, LLC | $144,320 |
| Kapule LLC | $116,536 |
| Restored Cloud Inc | $95,210 |
Related PSC codes
- F101 Environmental Systems Protection – Air Quality Support
- 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
- 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 F109?
F109 is the service code in the federal Product and Service Code (PSC) Manual for environmental systems protection – leaking underground storage tank 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 F109?
Most federal contract dollars under PSC F109 go with NAICS 541330 (Engineering 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 F109?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 2 open notices use PSC F109 right now. FedReady can match new ones to your business and email you, free.