PSC Z1AA: Maintenance of Office Buildings
Z1AA is the product and service code (PSC) federal agencies use for maintenance of office buildings, 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
- 11
- Spending, FY2026
- $1.2 billion
- Share to small businesses
- 75%
Open contracts with PSC Z1AA, due soonest
- Formal RFP for WWYK200131 - Repair Chilled Water System, Bldg. 2280
Due in 4 daysOct 13, 2026
- Window Tint Installation RFI
Due in 5 daysOct 15, 2026
- Removal of Abandoned Telecommunications Equipment
Due in 5 daysOct 15, 2026
- 2-STEP SEALED BID - TINKER AFB WWYK250019 Remove and Replace Fire Sprinkler in Plasma Booth Dust Collectors and Replace the Building F/A System, B3221
✦ The Air Force (AFSC PZIOC at Tinker AFB, Oklahoma) wants a design-build contractor to replace the wet-pipe fire sprinklers in the Plasma Booth dust collectors with a suppression…
Due in 20 daysOct 30, 2026
- Architect & Engineering Services, Indefinite-Delivery, Indefinite-Quantity (IDIQ) Multiple Award (A&E) Contracts needed for new construction, renovation, alteration and repairs required by Federal Prison Industries (FPI)
✦ Federal Prison Industries (UNICOR) wants up to four architect-engineer firms on multiple-award IDIQ contracts for design work on new construction, renovation, alteration and…
Due in 21 daysOct 31, 2026
- Architect & Engineering Services, Indefinite-Delivery, Indefinite-Quantity (IDIQ) Multiple Award (A&E) Contracts needed for new construction, renovation, alteration and repairs required by Federal Prison Industries (FPI)
✦ Federal Prison Industries (FPI, also called UNICOR, part of the Department of Justice) plans to award up to four architect and engineer (A&E) contracts for design and related…
Due in 21 daysOct 31, 2026
Where Z1AA sits in the PSC Manual
- Category: Service
- Group Z: Maint, Repair, Alter Real Property
- Group Z1: Maint, Alter, Repair Buildings
- Code Z1AA: Maintenance of Office Buildings
NAICS codes used with PSC Z1AA
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Z1AA most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 561210 | Facilities Support Services | $2.3 billion |
| 236220 | Commercial and Institutional Building Construction | $624.3 million |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | $93.2 million |
| 541690 | Other Scientific and Technical Consulting Services | $85.5 million |
| 236210 | Industrial Building Construction | $66.1 million |
| 541330 | Engineering Services | $37.6 million |
| 541310 | Architectural Services | On 2 open |
| 333921 | Elevator and Moving Stairway Manufacturing | On 1 open |
| 238290 | Other Building Equipment Contractors | On 1 open |
| 238190 | Other Foundation, Structure, and Building Exterior Contractors | On 1 open |
Who buys under PSC Z1AA
Agencies with the most contract dollars under Z1AA over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Public Buildings Service | $1.8 billion |
| Department of the Army | $307.2 million |
| Department of State | $281.8 million |
| Department of the Air Force | $269.6 million |
| Department of the Navy | $180.3 million |
| Centers for Disease Control and Prevention | $77.2 million |
| Agricultural Research Service | $59.7 million |
| U.S. Customs and Border Protection | $51.5 million |
On open notices right now, the most Z1AA work comes from Dept of Defense, Department of Justice and Department of State.
Federal spending under PSC Z1AA by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $1.1 billion |
| FY2025 | $1.2 billion |
| FY2026 | $1.2 billion |
| FY2027 (so far) | $500,250 |
Who wins PSC Z1AA contracts
| Company | Obligated, last 3 years |
|---|---|
| South Dade Air Conditioning & Refrigeration Inc | $165.9 million |
| Action Facilities Management Inc | $152.4 million |
| Jones Lang Lasalle Americas, Inc. | $142 million |
| Tatitlek Technologies, LLC | $122.7 million |
| Pegasus Support Services LLC | $102.5 million |
| Emcor Government Services, Inc | $97.8 million |
| Pundir Group, Inc | $86.6 million |
| Northern Management Services, Inc. | $64 million |
| Nve, Inc | $62.4 million |
| Yukon Fire Protection Services, Inc. | $60.7 million |
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 Z1AA?
Z1AA is the service code in the federal Product and Service Code (PSC) Manual for maintenance of office buildings, 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 Z1AA?
Most federal contract dollars under PSC Z1AA 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 Z1AA?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 11 open notices use PSC Z1AA right now. FedReady can match new ones to your business and email you, free.