PSC Y1KZ: Construction of Other Conservation and Development Facilities
Y1KZ is the product and service code (PSC) federal agencies use for construction of other conservation and development facilities, 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
- 4
- Spending, FY2026
- $105.6 million
- Share to small businesses
- 4%
Open contracts with PSC Y1KZ, due soonest
- Borough of Etna, Pennsylvania, Local Protection Project (LPP) PL84-99 Rehabilitation
✦ The U.S. Army Corps of Engineers Pittsburgh District wants a contractor to repair storm-damaged creek channel and embankment on the Etna Federal Local Protection Project along…
Due in 16 daysOct 26, 2026
- Grand Island Mitigation Site
Due in 17 daysOct 27, 2026
- NGWSP Cutter Lateral Reach 21 Booster Plant
✦ The Bureau of Reclamation plans to buy construction of a booster pump plant on the Navajo Gallup Water Supply Project, about 26 miles south of Bloomfield, NM in San Juan County.
Due in 20 daysOct 30, 2026
Where Y1KZ sits in the PSC Manual
- Category: Service
- Group Y: Construct of Structures/Facilities
- Group Y1: Construction of Buildings
- Code Y1KZ: Construction of Other Conservation and Development Facilities
NAICS codes used with PSC Y1KZ
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Y1KZ most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 237990 | Other Heavy and Civil Engineering Construction | $685.6 million |
| 236220 | Commercial and Institutional Building Construction | $16.1 million |
| 237110 | Water and Sewer Line and Related Structures Construction | $5.4 million |
| 238910 | Site Preparation Contractors | $2.1 million |
| 238990 | All Other Specialty Trade Contractors | $835,657 |
| 541990 | All Other Professional, Scientific, and Technical Services | $404,388 |
| 562910 | Remediation Services | On 1 open |
Who buys under PSC Y1KZ
Agencies with the most contract dollars under Y1KZ over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Army | $635.2 million |
| Department of the Air Force | $15.2 million |
| Bureau of Reclamation | $5.6 million |
| Forest Service | $4 million |
| Department of Veterans Affairs | $3.2 million |
| U.S. Fish and Wildlife Service | $2.2 million |
| National Park Service | $2.1 million |
| Under Secretary for Farm and Foreign Agricultural Services | $1.3 million |
On open notices right now, the most Y1KZ work comes from Dept of Defense and Department of the Interior.
Federal spending under PSC Y1KZ by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $161.7 million |
| FY2025 | $402.7 million |
| FY2026 | $105.6 million |
| FY2027 (so far) | $0 |
Who wins PSC Y1KZ contracts
| Company | Obligated, last 3 years |
|---|---|
| Kiewit Infrastructure West Co. | $399.4 million |
| Norfolk Dredging Company | $95.9 million |
| Donjon Marine Co., LLC | $62.3 million |
| Hamilton Construction, LLC | $22.8 million |
| Great Lakes Dredge & Dock Co, LLC | $21.6 million |
| George Harms Construction Co Inc | $15.9 million |
| H & L Contracting LLC | $15.8 million |
| Etolin Strait Development Group LLC | $15.2 million |
| JPC Group Inc | $11.8 million |
| Cashman Dredging & Marine Contracting Co LLC | $10.3 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 Y1KZ?
Y1KZ is the service code in the federal Product and Service Code (PSC) Manual for construction of other conservation and development facilities, 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 Y1KZ?
Most federal contract dollars under PSC Y1KZ 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 Y1KZ?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 4 open notices use PSC Y1KZ right now. FedReady can match new ones to your business and email you, free.