PSC N048: Installation of Equipment – Valves
N048 is the product and service code (PSC) federal agencies use for “Installation of Equipment – Valves”, in the “Installation of Equipment” 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
- 1
- Federal contract spending, FY2025
- $6.6 million
- Share of contract dollars to small businesses, since FY2024
- 100%
Open count as of Oct 28, 2026, 5:43 PM ET. The search counts live, so its total can differ by a notice or two.
Open PSC N048 contracts with 2+ days to respond
- B41 Isolation Valve Installation
✦ The Department of Veterans Affairs (VA), Network Contracting Office 16, is asking for quotes under solicitation 36C25627Q0081 from certified service-disabled veteran-owned small…
Due in 12 daysNov 9, 2026, 12:00 PM CST
Where N048 sits in the PSC Manual
- Category: Service
- Group N: Installation of Equipment
- Group N0: Installation of Equipment
- Code N048: Installation of Equipment – Valves
NAICS codes used with PSC N048
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with N048 most often:
| NAICS | Industry | Spent, last 3 years | Open with PSC N048 |
|---|---|---|---|
| 237990 | Other Heavy and Civil Engineering Construction | $14.9 million | — |
| 332911 | Industrial Valve Manufacturing | $48,431 | — |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | $32,598 | 1 |
| 221310 | Water Supply and Irrigation Systems | $8,000 | — |
| 237110 | Water and Sewer Line and Related Structures Construction | $3,201 | — |
Open contracts under each code, with any PSC: NAICS 237990 · NAICS 332911 · NAICS 238220 · NAICS 221310 · NAICS 237110
Who buys under PSC N048
Agencies with the most contract dollars under N048 over the last three fiscal years, per USAspending.gov. Each name links to that agency's open contracts and buying history:
| Agency | Obligated |
|---|---|
| Bureau of Reclamation | $14.9 million |
| Department of Veterans Affairs | $48,431 |
| Department of State | $32,598 |
| National Park Service | $11,201 |
Federal spending under PSC N048 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $3 million |
| FY2025 | $6.6 million |
| FY2026 (incomplete) | $5.4 million |
Headline figures use FY2025, the last complete year. FY2026 is still incomplete and will rise until about early January 2027 as Defense data arrives: USAspending.gov publishes Defense contracts 90 days after they're signed.
Who wins PSC N048 contracts
| Company | Obligated, last 3 years |
|---|---|
| Unico Mechanical Corp. | $14.9 million |
| Miscellaneous Foreign Awardees | $32,598 |
| BTR Enterprises of SC LLC | $24,684 |
| Iaw Construction, Inc. | $23,747 |
| Longfellow Excavating, LLC | $8,000 |
| Straeffer Pump & Supply, Inc. | $3,201 |
Large prime contractors (companies that hold the contract with the agency) subcontract part of their work to small businesses. See which primes subcontract, by NAICS code.
Research PSC N048 work
By the NAICS codes this work goes with, the one with the most spending first: who won recently, contracts ending soon, agencies' planned buys and the large primes that subcontract it, nationwide. Each code shows only the pages that exist for it:
- 237990 Other Heavy and Civil Engineering Construction: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
- 332911 Industrial Valve Manufacturing: who won recently · contracts ending in the next 12 months · large primes that subcontract
- 238220 Plumbing, Heating, and Air-Conditioning Contractors: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
Related PSC codes
- N010 Installation of Equipment – Weapons
- N011 Installation of Equipment – Nuclear Ordnance
- N012 Installation of Equipment – Fire Control Equipment
- N013 Installation of Equipment – Ammunition and Explosives
- N014 Installation of Equipment – Guided Missiles
- N015 Installation of Equipment – Aircraft and Airframe Structural Components
- N016 Installation of Equipment – Aircraft Components and Accessories
- N017 Installation of Equipment – Aircraft Launching, Landing, and Ground Handling Equipment
- N018 Installation of Equipment – Space Vehicles
- N019 Installation of Equipment – Ships, Small Craft, Pontoons, and Floating Docks
Frequently asked questions
What is PSC N048?
N048 is the service code in the federal Product and Service Code (PSC) Manual named “Installation of Equipment – Valves”, under N (Installation of Equipment) and N0 (Installation of Equipment). 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 N048?
Most federal contract dollars under PSC N048 go with NAICS 237990 (Other Heavy and Civil Engineering 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 N048?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notice uses PSC N048 right now. FedReady can match new ones to your business and email you, free.
Keep going
Sources: SAM.gov Contract Opportunities, USAspending.gov and the PSC Manual. How we count.