PSC Y1NZ: Construction of Other Utilities
Y1NZ is the product and service code (PSC) federal agencies use for construction of other utilities, in the construction of 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
- 13
- Spending, FY2026
- $1.2 billion
- Share to small businesses
- 32%
Open contracts with PSC Y1NZ, due soonest
- B-21 Utilities & Site Improvements, Communications and Electric Infrastructure, Dyess Air Force Base, Texas
✦ The Army Corps of Engineers Fort Worth District is asking industry for interest and capabilities (a sources sought, not a solicitation) for a design-bid-build construction…
Due in 4 daysOct 14, 2026
- Bill Parkin (MAK)
✦ The Indian Health Service (IHS) wants quotes from small businesses to install a septic system (septic tank, pump tank and sand mound drainfield) and a water service connection at…
Due in 6 daysOct 16, 2026
- 9-Mile Pump Station
✦ The U.S. Army Corps of Engineers Detroit District, with Macomb County Public Works, wants a contractor to build a new 9-Mile Pump Station in St.
Due in 10 daysOct 20, 2026
- UPGRADE MULTIPLE CAMPSITES AT PINEVIEW CAMPGROUND
Due in 12 daysOct 22, 2026
- Power Construction and Services II (PCS II) MATOC
✦ The U.S. Army Corps of Engineers, Philadelphia District, has issued an RFP for the Power Construction and Services II MATOC. It is a multiple-award IDIQ contract for power…
Due in 18 daysOct 27, 2026
- Jennifer Brown (COW)
✦ The Indian Health Service (IHS) wants a contractor to install a replacement septic system for one existing private home in Ridgefield, Clark County, Washington.
Due in 20 daysOct 30, 2026
Where Y1NZ sits in the PSC Manual
- Category: Service
- Group Y: Construct of Structures/Facilities
- Group Y1: Construction of Buildings
- Code Y1NZ: Construction of Other Utilities
NAICS codes used with PSC Y1NZ
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Y1NZ most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 237130 | Power and Communication Line and Related Structures Construction | $903.2 million |
| 236220 | Commercial and Institutional Building Construction | $808.7 million |
| 237990 | Other Heavy and Civil Engineering Construction | $281.3 million |
| 237110 | Water and Sewer Line and Related Structures Construction | $153.8 million |
| 236210 | Industrial Building Construction | $43.9 million |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | $24.4 million |
| 221320 | Sewage Treatment Facilities | On 1 open |
Who buys under PSC Y1NZ
Agencies with the most contract dollars under Y1NZ over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Navy | $1.2 billion |
| Department of the Army | $649.5 million |
| National Aeronautics and Space Administration | $137.9 million |
| National Park Service | $73 million |
| Department of Veterans Affairs | $55.5 million |
| Department of the Air Force | $50.2 million |
| National Institutes of Health | $47.3 million |
| Federal Aviation Administration | $26.5 million |
On open notices right now, the most Y1NZ work comes from Dept of Defense, Department of the Interior and Department of Health and Human Services.
Federal spending under PSC Y1NZ by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $492.9 million |
| FY2025 | $620.5 million |
| FY2026 | $1.2 billion |
| FY2027 (so far) | $71,550 |
Who wins PSC Y1NZ contracts
| Company | Obligated, last 3 years |
|---|---|
| Black Construction-Tutor Perini JV | $651.8 million |
| Contrack Watts Inc | $183 million |
| Hhi Corporation | $103.6 million |
| Aktarius LLC | $95.3 million |
| Kiewit Infrastructure South Co | $90.3 million |
| City Light & Power JBLM LLC | $61.6 million |
| Cci General Contractors LLC | $61.1 million |
| Environmental Chemical Corporation | $47.3 million |
| Manson Construction Co | $45.6 million |
| South Bay Edc Inc | $45.2 million |
Related PSC codes
- Y111 Construction of Office Buildings
- Y112 Construct/Conf Space & Fac
- Y119 Construct/Other Admin & SVCS BLDGS
- Y121 Construct/Air Traffic Cont Towers
- Y122 Construct/Air Traffic Training Fac
- Y123 Construct/Radar & Navigational Fac
- Y124 Construction of Airport Runways
- Y125 Construction of Airport Terminals
- Y126 Construct/Missile System Facilities
- Y127 Construct/Elct & Comm System Fac
Frequently asked questions
What is PSC Y1NZ?
Y1NZ is the service code in the federal Product and Service Code (PSC) Manual for construction of other utilities, under Y (Construct of Structures/Facilities) and Y1 (Construction of 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 Y1NZ?
Most federal contract dollars under PSC Y1NZ go with NAICS 237130 (Power and Communication 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 Y1NZ?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 13 open notices use PSC Y1NZ right now. FedReady can match new ones to your business and email you, free.