PSC S111: Utilities – Gas
S111 is the product and service code (PSC) federal agencies use for utilities – gas, in the utilities 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
- $254.4 million
- Share to small businesses
- 37%
Where S111 sits in the PSC Manual
- Category: Service
- Group S: Utilities and Housekeeping
- Group S1: Utilities
- Code S111: Utilities – Gas
NAICS codes used with PSC S111
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with S111 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 221210 | Natural Gas Distribution | $614.3 million |
| 211130 | Natural Gas Extraction | $45.5 million |
| 221122 | Electric Power Distribution | $31.8 million |
| 926130 | Regulation and Administration of Communications, Electric, Gas, and Other Utilities | $16.8 million |
| 221118 | Other Electric Power Generation | $9.4 million |
| 221112 | Fossil Fuel Electric Power Generation | $7.8 million |
Who buys under PSC S111
Agencies with the most contract dollars under S111 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Army | $115.7 million |
| Department of Veterans Affairs | $113.5 million |
| Department of the Air Force | $108.9 million |
| Federal Prison System / Bureau of Prisons | $69.5 million |
| Defense Logistics Agency | $67.8 million |
| Federal Law Enforcement Training Center | $53.7 million |
| Public Buildings Service | $45.9 million |
| National Aeronautics and Space Administration | $42.2 million |
Federal spending under PSC S111 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $222.8 million |
| FY2025 | $235.3 million |
| FY2026 | $254.4 million |
| FY2027 (so far) | $19 million |
Who wins PSC S111 contracts
| Company | Obligated, last 3 years |
|---|---|
| NRG Business Marketing LLC | $68.8 million |
| Atlanta Gas Light Company | $52.1 million |
| Enstar Natural Gas Company, LLC | $35.1 million |
| Foreign Utility Consolidated Reporting | $34.9 million |
| United Energy Trading, LLC | $31.8 million |
| Samchully Co.,LTD. | $29.6 million |
| Omega Pipeline Company, LLC | $25.4 million |
| Tokyo Gas Co.,LTD. | $25.2 million |
| Tiger Natural Gas, Inc. | $25.1 million |
| Washington Gas Light Company | $23.4 million |
Related PSC codes
- S112 Utilities – Electric
- S113 Telephone and – Or Communications Ser
- S114 Utilities – Water
- S119 Utilities – Other
Frequently asked questions
What is PSC S111?
S111 is the service code in the federal Product and Service Code (PSC) Manual for utilities – gas, under S (Utilities and Housekeeping) and S1 (Utilities). 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 S111?
Most federal contract dollars under PSC S111 go with NAICS 221210 (Natural Gas Distribution), 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 S111?
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.