Construction of Other Conservation and Development Facilities Government Contracts
PSC Y1KZ Service code
Code facts
- Spend category
- Facilities & Construction Construction Related Services
- Part of
-
-
Y
- Y1
-
Y
- Contract obligations
- $402,736,552 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Market summary
Top buying agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $91,729,255 | |
| 2 | Air Force | $15,231,147 | |
| 3 | Department of Veterans Affairs | $1,556,672 | |
| 4 | Department of the Interior | $1,006,364 | |
| 5 | Department of Agriculture | $106,176 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Norfolk Dredging Company | $37,442,101 | |
| 2 | Hamilton Construction, LLC | $22,848,100 | |
| 3 | Great Lakes Dredge & Dock Co, LLC | $19,493,972 | |
| 4 | Etolin Strait Development Group LLC | $15,231,147 | |
| 5 | Aptim Federal Services, LLC | $8,490,799 | |
| 6 | Magruder Construction Co Inc. | $4,014,100 | |
| 7 | George Harms Construction Co Inc. | $2,078,322 | |
| 8 | Delta T JR LLC | $1,556,672 | |
| 9 | Chitina Diversified Services - Ames 1 JV, LLC | $882,533 | |
| 10 | Hydra Engineering & Construction, LLC | $647,069 |
Open contract opportunities
Recent contract awards
Latest 10 of 11 awarded in the last 12 months listed here. See the rest on GovTribe.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $109,629,613 |
| FY2025 | $402,736,552 |
| FY2024 | $161,720,173 |
| FY2023 | $315,778,058 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 237990 Other Heavy and Civil Engineering Construction | $100,673,344 | |
| 2 | 236220 Commercial and Institutional Building Construction | $8,499,165 | |
| 3 | 212321 Construction Sand and Gravel Mining | $256,785 | |
| 4 | 237110 Water and Sewer Line and Related Structures Construction | $102,509 | |
| 5 | 238990 All Other Specialty Trade Contractors | $97,810 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | New Jersey | $59,014,395 | |
| 2 | Alaska | $22,848,100 | |
| 3 | Virginia | $15,231,147 | |
| 4 | Nebraska | $8,499,165 | |
| 5 | Illinois | $4,014,100 | |
| 6 | New Mexico | $1,915,966 | |
| 7 | North Carolina | $647,069 |
Shares are of everything obligated under PSC Y1KZ in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Quick answers
What is PSC Y1KZ?
PSC Y1KZ is Construction of Other Conservation and Development Facilities, a service code in PSC Y, Construction of Structures/
How many government contracts for construction of other conservation and development facilities are there?
3 contract opportunities under PSC Y1KZ are open now, and 14 notices were posted in the last 90 days. Federal agencies awarded 11 contracts under PSC Y1KZ in the last 12 months, obligating $109,629,613.
How much do federal agencies spend under PSC Y1KZ?
Federal contracts under PSC Y1KZ obligated $402,736,552 in fiscal year 2025 and $989,864,395 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC Y1KZ?
The contractors with the most obligated under PSC Y1KZ in fiscal years 2026 and 2027 are Norfolk Dredging Company ($37,442,101); Hamilton Construction, LLC ($22,848,100); and Great Lakes Dredge & Dock Co, LLC ($19,493,972).
Which agencies buy the most under PSC Y1KZ?
The agencies that obligated the most under PSC Y1KZ in fiscal years 2026 and 2027 are Department of the Army ($91,729,255), Air Force ($15,231,147) and Department of Veterans Affairs ($1,556,672).
Which NAICS codes are used with PSC Y1KZ?
The NAICS codes with the most obligated under PSC Y1KZ in fiscal years 2026 and 2027 are 237990 Other Heavy and Civil Engineering Construction, 236220 Commercial and Institutional Building Construction and 212321 Construction Sand and Gravel Mining.
Where is the work under PSC Y1KZ performed?
By place of performance, the states with the most contract obligations under PSC Y1KZ over the last 12 months are New Jersey ($59,014,395), Alaska ($22,848,100) and Virginia ($15,231,147).
What is the latest open contract opportunity under PSC Y1KZ?
The latest open contract opportunity under PSC Y1KZ is Borough of Millvale, Pennsylvania, Local Protection Project (LPP) PL84-99 Rehabilitation, solicitation from ENDIST Pittsburgh (USACE), posted November 6, 2026.
On GovTribe
See everything under PSC Y1KZ
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
- Contacts who buy under this code
- Ask GovTribe AI about this code