PSC Z1NE: Maintenance of Water Supply Facilities
Z1NE is the product and service code (PSC) federal agencies use for maintenance of water supply facilities, in the maint, alter, repair 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
- 3
- Spending, FY2026
- $57.3 million
- Share to small businesses
- 86%
Open contracts with PSC Z1NE, due soonest
- FCC Yazoo City FY 2027 Water Treatment Services
✦ The Federal Bureau of Prisons at FCC Yazoo City, Mississippi wants a contractor to run a water treatment program for its chiller plants, powerhouse boilers and hot and chilled…
Due in 5 daysOct 16, 2026
Where Z1NE sits in the PSC Manual
- Category: Service
- Group Z: Maint, Repair, Alter Real Property
- Group Z1: Maint, Alter, Repair Buildings
- Code Z1NE: Maintenance of Water Supply Facilities
NAICS codes used with PSC Z1NE
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Z1NE most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 237110 | Water and Sewer Line and Related Structures Construction | $46.6 million |
| 236220 | Commercial and Institutional Building Construction | $23.6 million |
| 561210 | Facilities Support Services | $22.6 million |
| 237990 | Other Heavy and Civil Engineering Construction | $8.1 million |
| 221310 | Water Supply and Irrigation Systems | $7 million |
| 562910 | Remediation Services | $4.5 million |
Who buys under PSC Z1NE
Agencies with the most contract dollars under Z1NE over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Army | $63 million |
| Department of the Navy | $22.8 million |
| National Park Service | $8.1 million |
| Bureau of Reclamation | $6.1 million |
| Department of Veterans Affairs | $4.6 million |
| U.S. Coast Guard | $3.7 million |
| Department of State | $3.5 million |
| Department of the Air Force | $2.4 million |
On open notices right now, the most Z1NE work comes from Dept of Defense, Department of the Interior and Department of Justice.
Federal spending under PSC Z1NE by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $28.2 million |
| FY2025 | $34.3 million |
| FY2026 | $57.3 million |
| FY2027 (so far) | $0 |
Who wins PSC Z1NE contracts
| Company | Obligated, last 3 years |
|---|---|
| Red Eagle 3 JV | $22.9 million |
| Mountain Point, LLC | $18.5 million |
| Ahtna Builders, LLC | $6.3 million |
| Togiak Logistics Services, LLC | $6.2 million |
| TCG Construction Inc | $4.8 million |
| Indus General Inc | $4.5 million |
| District Veterans Contracting, Inc. | $3.3 million |
| Sea Pac Engineering Inc | $3.2 million |
| Etolin Strait Partners, LLC | $3 million |
| Etolin Strait Associates LLC | $2.6 million |
Related PSC codes
- Z111 Maint – Rep – Alt/Office BLDGS
- Z112 Maint – Rep – Alt/Conf Space & Fac
- Z119 Maint – Rep – Alt/Other Admin BLDGS
- Z121 Maint – Rep – Alt/Air Traffic Towers
- Z122 Maint – Rep – Alt/Air Traffic TNG Fac
- Z123 Maint – Rep – Alt/Radar & Nav Fac
- Z124 Maint – Rep – Alt/Airport Runways
- Z125 Maint – Rep – Alt/Airport Terminals
- Z126 Maint – Rep – Alt/Missile Systems Fac
- Z127 Maint – Rep – Alt/Elct & Comm Sys Fac
Frequently asked questions
What is PSC Z1NE?
Z1NE is the service code in the federal Product and Service Code (PSC) Manual for maintenance of water supply facilities, under Z (Maint, Repair, Alter Real Property) and Z1 (Maint, Alter, Repair 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 Z1NE?
Most federal contract dollars under PSC Z1NE go with NAICS 237110 (Water and Sewer Line and Related Structures Construction), 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 Z1NE?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 3 open notices use PSC Z1NE right now. FedReady can match new ones to your business and email you, free.