Repair or Alteration of Dams Government Contracts
PSC Z2KA Service code
Code facts
- Spend category
- Facilities & Construction Facility Related Services
- Part of
-
-
Z
- Z2
-
Z
- Contract obligations
- $822,288,412 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 | $1,738,621,892 | |
| 2 | Department of the Interior | $160,276,332 | |
| 3 | Department of Agriculture | $5,302,057 | |
| 4 | Defense Threat Reduction Agency | $1,805,586 | |
| 5 | Air Force | $333,444 | |
| 6 | Department of Energy | $232,276 | |
| 7 | National Aeronautics and Space Administration | $103,600 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Barnard Construction Company, Incorporated | $1,333,970,582 | |
| 2 | C.j. Mahan Construction Company, LLC | $248,932,888 | |
| 3 | NW Construction, Inc. | $136,248,756 | |
| 4 | GE Renewables US LLC | $68,240,904 | |
| 5 | Knight Const. & Supply, Inc. | $36,565,343 | |
| 6 | Bauer Foundation Corp | $24,461,825 | |
| 7 | Shimmick Construction Company, Inc. | $13,455,239 | |
| 8 | SAF Inc. | $10,592,141 | |
| 9 | Paragon Construction Services Of America Inc. | $8,376,615 | |
| 10 | Engineering & Construction Innovations Inc. | $8,155,845 |
See the full FY2025 ranking of PSC Z2KA contractors, by parent company.
Open contract opportunities
Recent contract awards
Latest 10 of 27 awarded in the last 12 months listed here. See the rest on GovTribe.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $11,705,198 |
| FY2026 | $1,894,969,989 |
| FY2025 | $822,288,412 |
| FY2024 | $527,052,331 |
| FY2023 | $306,012,764 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 237990 Other Heavy and Civil Engineering Construction | $1,891,049,242 | |
| 2 | 238210 Electrical Contractors and Other Wiring Installation Contractors | $7,669,318 | |
| 3 | 238320 Painting and Wall Covering Contractors | $2,933,840 | |
| 4 | 236220 Commercial and Institutional Building Construction | $1,820,297 | |
| 5 | 237310 Highway, Street, and Bridge Construction | $1,042,001 | |
| 6 | 238290 Other Building Equipment Contractors | $912,164 | |
| 7 | 238990 All Other Specialty Trade Contractors | $885,620 | |
| 8 | 236210 Industrial Building Construction | $103,600 | |
| 9 | 237110 Water and Sewer Line and Related Structures Construction | $77,202 | |
| 10 | 333996 Fluid Power Pump and Motor Manufacturing | $58,031 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | California | $1,466,860,252 | |
| 2 | Tennessee | $240,179,320 | |
| 3 | Oregon | $106,216,910 | |
| 4 | Alaska | $24,420,776 | |
| 5 | Pennsylvania | $24,326,197 | |
| 6 | Texas | $10,376,858 | |
| 7 | Washington | $9,649,663 | |
| 8 | Montana | $8,601,078 | |
| 9 | Georgia | $7,727,825 | |
| 10 | Minnesota | $6,652,634 | |
| 11 | Kentucky | $6,314,678 | |
| 12 | Utah | $5,649,519 | |
| 13 | Kansas | $3,482,929 | |
| 14 | South Dakota | $3,145,979 | |
| 15 | West Virginia | $2,266,143 | |
| 16 | Wyoming | $1,998,867 | |
| 17 | North Dakota | $1,884,687 | |
| 18 | New Mexico | $1,805,586 | |
| 19 | Maryland | $1,356,675 | |
| 20 | Colorado | $1,300,678 | |
| 21 | Nevada | $1,068,209 | |
| 22 | Arkansas | $1,067,609 | |
| 23 | Ohio | $844,135 | |
| 24 | Nebraska | $605,464 | |
| 25 | Virginia | $477,486 | |
| 26 | Mississippi | $103,600 | |
| 27 | Idaho | $75,830 | |
| 28 | Arizona | $41,334 |
Show all 28
Quick answers
What is PSC Z2KA?
PSC Z2KA is Repair or Alteration of Dams, a service code in PSC Z, Maintenance, Repair, Alteration Real Property.
How many government contracts for repair or alteration of dams are there?
7 contract opportunities under PSC Z2KA are open now, and 45 notices were posted in the last 90 days. Federal agencies awarded 27 contracts under PSC Z2KA in the last 12 months, obligating $1,912,694,407.
How much do federal agencies spend under PSC Z2KA?
Federal contracts under PSC Z2KA obligated $822,288,412 in fiscal year 2025 and $3,562,028,694 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC Z2KA?
The contractors with the most obligated under PSC Z2KA in fiscal years 2026 and 2027 are Barnard Construction Company, Incorporated ($1,333,970,582); C.j. Mahan Construction Company, LLC ($248,932,888); and NW Construction, Inc. ($136,248,756).
Which agencies buy the most under PSC Z2KA?
The agencies that obligated the most under PSC Z2KA in fiscal years 2026 and 2027 are Department of the Army ($1,738,621,892), Department of the Interior ($160,276,332) and Department of Agriculture ($5,302,057).
Which NAICS codes are used with PSC Z2KA?
The NAICS codes with the most obligated under PSC Z2KA in fiscal years 2026 and 2027 are 237990 Other Heavy and Civil Engineering Construction, 238210 Electrical Contractors and Other Wiring Installation Contractors and 238320 Painting and Wall Covering Contractors.
Where is the work under PSC Z2KA performed?
By place of performance, the states with the most contract obligations under PSC Z2KA over the last 12 months are California ($1,466,860,252), Tennessee ($240,179,320) and Oregon ($106,216,910).
What is the latest open contract opportunity under PSC Z2KA?
The latest open contract opportunity under PSC Z2KA is Bonneville Powerhouse II Unwatering Pump Replacement, solicitation from ENDIST Portland (USACE), posted November 5, 2026.
On GovTribe
See everything under PSC Z2KA
- 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