PSC C1NE: Architect and Engineering – Construction: Water Supply Facilities
C1NE is the product and service code (PSC) federal agencies use for architect and engineering – construction: water supply facilities, in the arch – eng svcs – construction 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
- $6.5 million
- Share to small businesses
- 20%
Open contracts with PSC C1NE, due soonest
- Oconaluftee Waterline Replacement
✦ The USDA Forest Service is hiring a small business contractor to replace the water main, building water services, fire hydrants and valves at the Oconaluftee Job Corps Center…
Due in 19 daysOct 30, 2026
- BGNDRF PIPING UPGRADES
✦ The Bureau of Reclamation (Albuquerque Area Office) wants a design-build contractor to upgrade the yard piping and flow measurement at the Brackish Groundwater National…
Due in 27 daysNov 6, 2026
- BGNDRF PIPING UPGRADES
✦ The Bureau of Reclamation (Albuquerque Area Office) wants one firm to design and build yard piping and flow-measurement upgrades at the Brackish Groundwater National Desalination…
Due in 27 daysNov 6, 2026
Where C1NE sits in the PSC Manual
- Category: Service
- Group C: Architect/Engineer Services
- Group C1: Arch – Eng SVCS – Construction
- Code C1NE: Architect and Engineering – Construction: Water Supply Facilities
NAICS codes used with PSC C1NE
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with C1NE most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 541330 | Engineering Services | $12.6 million |
| 541310 | Architectural Services | $987,413 |
| 237110 | Water and Sewer Line and Related Structures Construction | $354,310 |
| 221310 | Water Supply and Irrigation Systems | $227,072 |
| 236220 | Commercial and Institutional Building Construction | $188,366 |
| 212321 | Construction Sand and Gravel Mining | $127,642 |
Who buys under PSC C1NE
Agencies with the most contract dollars under C1NE over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Army | $8.8 million |
| Department of the Navy | $1.6 million |
| Department of the Air Force | $1.5 million |
| National Aeronautics and Space Administration | $663,856 |
| Department of State | $487,268 |
| U.S. Geological Survey | $475,776 |
| Department of Veterans Affairs | $232,515 |
| Forest Service | $232,076 |
On open notices right now, the most C1NE work comes from Department of the Interior and Department of Agriculture.
Federal spending under PSC C1NE by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $5 million |
| FY2025 | $3.1 million |
| FY2026 | $6.5 million |
| FY2027 (so far) | $0 |
Who wins PSC C1NE contracts
| Company | Obligated, last 3 years |
|---|---|
| HDR Engineering, Inc | $4.5 million |
| Aecom Garver FTW Milcon JV | $2.7 million |
| Evergreen JV | $1.3 million |
| Tetra Tech, Inc. | $1.2 million |
| Aecom Technical Services, Inc. | $1.2 million |
| Hayduk Engineering, LLC | $687,513 |
| Alberto Izzo & Partners S.R.L. | $527,754 |
| Gushiken-Pae JV | $490,480 |
| The Johnson-Mcadams Firm, P.a. | $475,776 |
| Isaiah Engineering, Inc | $232,076 |
Related PSC codes
- C111 BLDGS & Fac / Admin & SVC BLDGS
- C112 BLDGS & Fac / Airfield, Com & MSL F
- C113 Educational Buildings
- C114 Hospital Buildings
- C115 Industrial Buildings
- C116 Residential Buildings
- C117 Warehouse Buildings
- C118 Research and Development Facilities
- C119 Other Buildings
- C121 Conservation and Development
Frequently asked questions
What is PSC C1NE?
C1NE is the service code in the federal Product and Service Code (PSC) Manual for architect and engineering – construction: water supply facilities, under C (Architect/Engineer Services) and C1 (Arch – Eng SVCS – Construction). 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 C1NE?
Most federal contract dollars under PSC C1NE 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 C1NE?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 3 open notices use PSC C1NE right now. FedReady can match new ones to your business and email you, free.