PSC Z1AZ: Maintenance of Other Administrative Facilities and Service Buildings

Z1AZ is the product and service code (PSC) federal agencies use for maintenance of other administrative facilities and service 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
9
Spending, FY2026
$400.4 million
Share to small businesses
59%

Open contracts with PSC Z1AZ, due soonest

Where Z1AZ sits in the PSC Manual

  • Category: Service
  • Group Z: Maint, Repair, Alter Real Property
  • Group Z1: Maint, Alter, Repair Buildings
  • Code Z1AZ: Maintenance of Other Administrative Facilities and Service Buildings

NAICS codes used with PSC Z1AZ

The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Z1AZ most often:

NAICSIndustrySpent, last 3 years
561210Facilities Support Services$786.7 million
236220Commercial and Institutional Building Construction$449.8 million
238220Plumbing, Heating, and Air-Conditioning Contractors$36.3 million
238990All Other Specialty Trade Contractors$21.7 million
238160Roofing Contractors$21.6 million
811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance$16.5 million
238190Other Foundation, Structure, and Building Exterior ContractorsOn 1 open
238320Painting and Wall Covering ContractorsOn 1 open
238390Other Building Finishing ContractorsOn 1 open

Who buys under PSC Z1AZ

Agencies with the most contract dollars under Z1AZ over the last three fiscal years, per USAspending.gov:

AgencyObligated
Department of the Army$575.9 million
Department of the Air Force$244.3 million
Department of the Navy$142.1 million
U.S. Coast Guard$70.1 million
Gao, Except Comptroller General$66.5 million
U.S. Customs and Border Protection$66.1 million
National Aeronautics and Space Administration$63.6 million
Public Buildings Service$30.9 million

On open notices right now, the most Z1AZ work comes from Dept of Defense, Department of the Interior and Department of Agriculture.

Federal spending under PSC Z1AZ by year

Fiscal yearContract obligations
FY2024$566.9 million
FY2025$496.2 million
FY2026$400.4 million
FY2027 (so far)$-307,374

Who wins PSC Z1AZ contracts

CompanyObligated, last 3 years
Netcentric Technology, LLC$101.7 million
Skookum Educational Programs$69.5 million
Amentum Technology, Inc.$62.9 million
Emcor Government Services, Inc$46.3 million
Yeajin E&c Co.,LTD.$35.4 million
Global Systemized Industry$33.7 million
Yang Enterprises, Inc.$30.1 million
NCS/Eml SB Joint Venture LLC$25.4 million
Chenega Base & Logistics Services LLC$25.3 million
Chugach Consolidated Solutions, LLC$24.1 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 Z1AZ?

Z1AZ is the service code in the federal Product and Service Code (PSC) Manual for maintenance of other administrative facilities and service 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 Z1AZ?

Most federal contract dollars under PSC Z1AZ 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 Z1AZ?

Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 9 open notices use PSC Z1AZ right now. FedReady can match new ones to your business and email you, free.

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