PSC M1NE: Operation of Water Supply Facilities
M1NE is the product and service code (PSC) federal agencies use for operation of water supply facilities, in the operate govt owned buildings 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
- $14.4 million
- Share to small businesses
- 85%
Open contracts with PSC M1NE, due soonest
- OPERATION AND MAINTENANCE OF YDP, IDIQ
Due in 4 daysOct 14, 2026
- Green Mountain National Forest Storage tank cleaning and inspection at Hapgood Pond
✦ The Forest Service (Green Mountain National Forest) wants a contractor to clean and inspect a water storage tank at the Hapgood Pond Recreation Area in Peru, Vermont.
Due in 10 daysOct 20, 2026
Where M1NE sits in the PSC Manual
- Category: Service
- Group M: Operation of Govt Owned Facility
- Group M1: Operate Govt Owned Buildings
- Code M1NE: Operation of Water Supply Facilities
NAICS codes used with PSC M1NE
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with M1NE most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 221310 | Water Supply and Irrigation Systems | $24.3 million |
| 561210 | Facilities Support Services | $15.1 million |
| 221320 | Sewage Treatment Facilities | $5.8 million |
| 541620 | Environmental Consulting Services | $4.1 million |
| 325998 | All Other Miscellaneous Chemical Product and Preparation Manufacturing | $1.1 million |
| 561320 | Temporary Help Services | $573,605 |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | On 1 open |
Who buys under PSC M1NE
Agencies with the most contract dollars under M1NE over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Army | $27.7 million |
| Bureau of Reclamation | $12.9 million |
| Forest Service | $4.5 million |
| Department of State | $1.6 million |
| Department of Veterans Affairs | $1.4 million |
| Department of the Air Force | $1.1 million |
| Bureau of Indian Affairs and Bureau of Indian Education | $753,662 |
| Department of the Navy | $552,275 |
On open notices right now, the most M1NE work comes from Department of Agriculture and Department of the Interior.
Federal spending under PSC M1NE by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $18.2 million |
| FY2025 | $19.1 million |
| FY2026 | $14.4 million |
| FY2027 (so far) | $0 |
Who wins PSC M1NE contracts
| Company | Obligated, last 3 years |
|---|---|
| Ses Energy Services LLC | $14.9 million |
| Kaiyuh Services, LLC | $11.7 million |
| Aerostar Environmental and Construction LLC | $4.1 million |
| Tipton-Fsi JV Ii, LLC | $3.4 million |
| CH2M Hill Constructors, Inc. | $2.9 million |
| Schwarz Construction LLC | $2.8 million |
| Crico Enterprise, LLC | $1.4 million |
| DCS Infrastructure, LLC | $1.3 million |
| Calgon Carbon Corporation | $1.1 million |
| Mayfort Milling Company Private Limited | $1.1 million |
Related PSC codes
- M111 Operation of Office Buildings
- M112 Oper of Govt Conf Space & Fac
- M119 Oper of Govt Other Admin – SVC BLDGS
- M121 Oper of Govt Air Traffic Towers
- M122 Oper of Govt Air Traffic TNG Fac
- M123 Oper of Govt Radar & Nav Facility
- M124 Operation of Airport Runways
- M125 Operation of Airport Terminals
- M126 Oper of Govt Missile Systems Fac
- M127 Oper of Govt Elct & Comm Sys Fac
Frequently asked questions
What is PSC M1NE?
M1NE is the service code in the federal Product and Service Code (PSC) Manual for operation of water supply facilities, under M (Operation of Govt Owned Facility) and M1 (Operate Govt Owned Buildings). 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 M1NE?
Most federal contract dollars under PSC M1NE go with NAICS 221310 (Water Supply and Irrigation Systems), 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 M1NE?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 2 open notices use PSC M1NE right now. FedReady can match new ones to your business and email you, free.