PSC Z1BZ: Maintenance of Other Airfield Structures
Z1BZ is the product and service code (PSC) federal agencies use for maintenance of other airfield structures, 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
- 0
- Spending, FY2026
- $4 million
- Share to small businesses
- 25%
Where Z1BZ sits in the PSC Manual
- Category: Service
- Group Z: Maint, Repair, Alter Real Property
- Group Z1: Maint, Alter, Repair Buildings
- Code Z1BZ: Maintenance of Other Airfield Structures
NAICS codes used with PSC Z1BZ
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Z1BZ most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 236220 | Commercial and Institutional Building Construction | $57.2 million |
| 238220 | Plumbing, Heating, and Air-Conditioning Contractors | $5.8 million |
| 561210 | Facilities Support Services | $5.1 million |
| 238990 | All Other Specialty Trade Contractors | $2.3 million |
| 238210 | Electrical Contractors and Other Wiring Installation Contractors | $1.2 million |
| 332321 | Metal Window and Door Manufacturing | $1 million |
Who buys under PSC Z1BZ
Agencies with the most contract dollars under Z1BZ over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Navy | $55.6 million |
| Department of the Army | $15.5 million |
| Department of the Air Force | $3.6 million |
| U.S. Customs and Border Protection | $1.3 million |
| Federal Aviation Administration | $492,892 |
| U.S. Coast Guard | $417,879 |
| National Oceanic and Atmospheric Administration | $239,210 |
| Forest Service | $24,960 |
Federal spending under PSC Z1BZ by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $62.2 million |
| FY2025 | $11 million |
| FY2026 | $4 million |
| FY2027 (so far) | $0 |
Who wins PSC Z1BZ contracts
| Company | Obligated, last 3 years |
|---|---|
| Grunley Construction Co., Inc. | $39.8 million |
| Kaser Mechanical LLC | $5.1 million |
| BL Harbert International LLC | $4.7 million |
| Mckenzie Construction & Site Development LLC | $3 million |
| Witco Industries LTD. | $2.6 million |
| Upstate Construction Services Inc | $2.3 million |
| Sumiju Yokosuka Kogyo Co., LTD. | $2.2 million |
| MDM Construction Supply, LLC | $1.7 million |
| Assa Abloy Entrance Systems US Inc. | $1.5 million |
| Onopa Services LLC | $1.4 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 Z1BZ?
Z1BZ is the service code in the federal Product and Service Code (PSC) Manual for maintenance of other airfield structures, 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 Z1BZ?
Most federal contract dollars under PSC Z1BZ go with NAICS 236220 (Commercial and Institutional Building Construction), 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 Z1BZ?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. FedReady can match new ones to your business and email you, free.