PSC Z1CA: Maintenance of Schools
Z1CA is the product and service code (PSC) federal agencies use for “Maintenance of Schools”, in the “Maint, Alter, Repair 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
- 1
- Federal contract spending, FY2025
- $50 million
- Share of contract dollars to small businesses, since FY2024
- 28%
Open count as of Nov 6, 2026, 10:29 PM ET. The search counts live, so its total can differ by a notice or two.
Open PSC Z1CA contracts with 2+ days to respond
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Where Z1CA sits in the PSC Manual
- Category: Service
- Group Z: Maint, Repair, Alter Real Property
- Group Z1: Maint, Alter, Repair Buildings
- Code Z1CA: Maintenance of Schools
NAICS codes used with PSC Z1CA
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Z1CA most often:
| NAICS | Industry | Spent, last 3 years | Open with PSC Z1CA |
|---|---|---|---|
| 561210 | Facilities Support Services | $82.5 million | 1 |
| 236220 | Commercial and Institutional Building Construction | $40.9 million | — |
| 238990 | All Other Specialty Trade Contractors | $12.2 million | — |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | $7.5 million | — |
| 811310 | Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | $1.3 million | — |
| 238160 | Roofing Contractors | $838,981 | — |
Open contracts under each code, with any PSC: NAICS 561210 · NAICS 236220 · NAICS 238990 · NAICS 238220 · NAICS 811310 · NAICS 238160
Who buys under PSC Z1CA
Agencies with the most contract dollars under Z1CA over the last three fiscal years, per USAspending.gov. Each name links to that agency's open contracts and buying history:
| Agency | Obligated |
|---|---|
| Department of Defense Education Activity | $88.9 million |
| Department of the Army | $19.5 million |
| Bureau of Indian Affairs and Bureau of Indian Education | $15.4 million |
| Department of the Navy | $13.5 million |
| Department of the Air Force | $7.4 million |
| Office of the Assistant Secretary for Administration and Management | $2.5 million |
| Federal Aviation Administration | $135,144 |
| National Park Service | $112,525 |
Federal spending under PSC Z1CA by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $58.5 million |
| FY2025 | $50 million |
| FY2026 (incomplete) | $39 million |
Headline figures use FY2025, the last complete year. FY2026 is still incomplete and will rise until about early January 2027 as Defense data arrives: USAspending.gov publishes Defense contracts 90 days after they're signed. FY2027 began October 1, 2026; it's left out until Defense data for it starts to arrive.
Who wins PSC Z1CA contracts
| Company | Obligated, last 3 years |
|---|---|
| Ske Technical Services GmbH | $48.7 million |
| Ske SRL | $18.6 million |
| Handuk Iron-Mine & Construction Co., LTD. | $13.8 million |
| RJS Construction Inc | $8.4 million |
| ABC Team-Spielplatzgerate Gesellschaft Mit Beschrankter Haftung | $7 million |
| Kekolu Contracting, LLC | $6.4 million |
| Bundesamt FÜR Bauwesen Und Raumordnung | $5 million |
| Sealaska Constructors LLC | $4.8 million |
| American Engineering Corporation | $4.2 million |
| Herman/JCG Co JV | $3.7 million |
Linked names have a FedReady profile, which shows the NAICS codes a business is registered as small under. Most large companies have none.
Large prime contractors (companies that hold the contract with the agency) subcontract part of their work to small businesses. See which primes subcontract, by NAICS code.
Research PSC Z1CA work
By the NAICS codes this work goes with, the one with the most spending first: who won recently, contracts ending soon, agencies' planned buys and the large primes that subcontract it, nationwide. Each code shows only the pages that exist for it:
- 561210 Facilities Support Services: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
- 236220 Commercial and Institutional Building Construction: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
- 238990 All Other Specialty Trade Contractors: who won recently · contracts ending in the next 12 months · planned buys · large primes that subcontract
Related PSC codes
- Z111 Maint – Rep – Alt/Office BLDGS
- Z112 Maint – Rep – Alt/Conf Space & Fac
- Z119 Maint – Rep – Alt/Other Admin BLDGS
- Z121 Maint – Rep – Alt/Air Traffic Towers
- Z122 Maint – Rep – Alt/Air Traffic TNG Fac
- Z123 Maint – Rep – Alt/Radar & Nav Fac
- Z124 Maint – Rep – Alt/Airport Runways
- Z125 Maint – Rep – Alt/Airport Terminals
- Z126 Maint – Rep – Alt/Missile Systems Fac
- Z127 Maint – Rep – Alt/Elct & Comm Sys Fac
Frequently asked questions
What is PSC Z1CA?
Z1CA is the service code in the federal Product and Service Code (PSC) Manual named “Maintenance of Schools”, under Z (Maint, Repair, Alter Real Property) and Z1 (Maint, Alter, Repair 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 Z1CA?
Most federal contract dollars under PSC Z1CA go with NAICS 561210 (Facilities Support Services), 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 Z1CA?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notice uses PSC Z1CA right now. FedReady can match new ones to your business and email you, free.
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Sources: SAM.gov Contract Opportunities, USAspending.gov and the PSC Manual. How we count.