PSC Z1NZ: Maintenance of Other Utilities
Service code
Code facts
- Spend category
- Facilities & Construction Facility Related Services
- Part of
-
-
Z
- Z1
-
Z
- Contract awards
- 64 In the last 12 months
- Contract obligations
- $38,056,643 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $17,827,435 |
| FY2025 | $38,056,643 |
| FY2024 | $25,965,631 |
| FY2023 | $57,363,197 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Witco Industries LTD. | $2,172,608 | |
| 2 | Honor Service Company | $2,001,551 | |
| 3 | Toshiba Corporation | $1,492,046 | |
| 4 | Sernotti Electrical Services LLC | $1,232,882 | |
| 5 | American Engineering Corporation | $1,216,420 | |
| 6 | Elcon Enterprises Inc. | $790,685 | |
| 7 | Panacea Construction Group LLC | $738,224 | |
| 8 | Etolin Strait Associates LLC | $673,934 | |
| 9 | Otis Elevator Company | $623,145 | |
| 10 |
Geumjang Construction Co., |
$541,456 |
See the full FY2025 ranking of PSC Z1NZ contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $6,754,391 | |
| 2 | Air Force | $3,533,977 | |
| 3 | Department of Veterans Affairs | $2,306,805 | |
| 4 | Department of the Army | $2,177,538 | |
| 5 | Department of State | $931,932 | |
| 6 | National Gallery of Art | $798,461 | |
| 7 | Defense Health Agency | $504,446 | |
| 8 | Department of the Interior | $417,280 | |
| 9 | Office of Personnel Management | $166,008 | |
| 10 | Department of Transportation | $112,595 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 236220 Commercial and Institutional Building Construction | $5,395,954 | |
| 2 | 541360 Geophysical Surveying and Mapping Services | $2,001,551 | |
| 3 | 561621 Security Systems Services (except Locksmiths) | $1,775,999 | |
| 4 | 238290 Other Building Equipment Contractors | $1,547,043 | |
| 5 | 811210 Electronic and Precision Equipment Repair and Maintenance | $1,498,046 | |
| 6 | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $1,230,566 | |
| 7 | 561210 Facilities Support Services | $834,154 | |
| 8 | 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | $622,169 | |
| 9 | 561990 All Other Support Services | $526,006 | |
| 10 | 237110 Water and Sewer Line and Related Structures Construction | $500,376 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Ohio | $2,624,695 | |
| 2 | New Jersey | $1,345,477 | |
| 3 | California | $1,330,624 | |
| 4 | Virginia | $1,310,443 | |
| 5 | District of Columbia | $936,150 | |
| 6 | Nebraska | $738,224 | |
| 7 | South Carolina | $504,446 | |
| 8 | Hawaii | $466,892 | |
| 9 | Nevada | $376,172 | |
| 10 | Connecticut | $320,474 | |
| 11 | New York | $204,483 | |
| 12 | Washington | $138,791 | |
| 13 | Wisconsin | $59,606 | |
| 14 | Utah | $48,240 | |
| 15 | Georgia | $48,208 | |
| 16 | Iowa | $29,900 | |
| 17 | North Carolina | $25,392 | |
| 18 | Pennsylvania | $22,549 | |
| 19 | Alabama | $13,179 | |
| 20 | Oklahoma | $3,837 |
Show all 20
Shares are of everything obligated under PSC Z1NZ in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 39 more
Latest 49 of 243 listed here. See the rest on GovTribe.
Quick answers
What is PSC Z1NZ?
PSC Z1NZ is Maintenance of Other Utilities, a service code in PSC Z, Maintenance, Repair, Alteration Real Property.
How much do federal agencies spend under PSC Z1NZ?
Federal contracts under PSC Z1NZ obligated $38,056,643 in fiscal year 2025 and $139,212,906 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC Z1NZ?
The contractors with the most obligated under PSC Z1NZ in fiscal years 2026 and 2027 are Witco Industries LTD. ($2,172,608), Honor Service Company ($2,001,551) and Toshiba Corporation ($1,492,046).
Which agencies buy the most under PSC Z1NZ?
The agencies that obligated the most under PSC Z1NZ in fiscal years 2026 and 2027 are Department of the Navy ($6,754,391), Air Force ($3,533,977) and Department of Veterans Affairs ($2,306,805).
Which NAICS codes are used with PSC Z1NZ?
The NAICS codes with the most obligated under PSC Z1NZ in fiscal years 2026 and 2027 are 236220 Commercial and Institutional Building Construction, 541360 Geophysical Surveying and Mapping Services and 561621 Security Systems Services (except Locksmiths).
Where is the work under PSC Z1NZ performed?
By place of performance, the states with the most contract obligations under PSC Z1NZ over the last 12 months are Ohio ($2,624,695), New Jersey ($1,345,477) and California ($1,330,624).
What is the latest contract opportunity under PSC Z1NZ?
The latest contract opportunity under PSC Z1NZ is USFK C4I Communication Tower and Facility Maintenance CY27, solicitation from Army Contracting Command (AMC), posted October 19, 2026.
On GovTribe
See everything under PSC Z1NZ
- 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