PSC Z1EC: Maintenance of Production Buildings

Z1EC is the product and service code (PSC) federal agencies use for maintenance of production 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
0
Spending, FY2026
$4.2 million
Share to small businesses
58%

Where Z1EC sits in the PSC Manual

  • Category: Service
  • Group Z: Maint, Repair, Alter Real Property
  • Group Z1: Maint, Alter, Repair Buildings
  • Code Z1EC: Maintenance of Production Buildings

NAICS codes used with PSC Z1EC

The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with Z1EC most often:

NAICSIndustrySpent, last 3 years
238220Plumbing, Heating, and Air-Conditioning Contractors$5.8 million
236220Commercial and Institutional Building Construction$3 million
236210Industrial Building Construction$1.3 million
238110Poured Concrete Foundation and Structure Contractors$1.3 million
238290Other Building Equipment Contractors$1.3 million
811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance$771,512

Who buys under PSC Z1EC

Agencies with the most contract dollars under Z1EC over the last three fiscal years, per USAspending.gov:

AgencyObligated
United States Mint$6.1 million
Department of the Army$4.5 million
Department of the Navy$4.1 million
U.S. Coast Guard$210,000
U.S. Fish and Wildlife Service$106,498
Department of Veterans Affairs$78,864

Federal spending under PSC Z1EC by year

Fiscal yearContract obligations
FY2024$9 million
FY2025$1.9 million
FY2026$4.2 million
FY2027 (so far)$0

Who wins PSC Z1EC contracts

CompanyObligated, last 3 years
Midlands Mechanical, Inc$5.8 million
Dmyles Inc.$1.8 million
Enfield Enterprises LLC$1.3 million
Buildtec Corp$1.3 million
Iron Sword Enterprises, LLC$1.1 million
Advanced Fire Protection Services LLC$771,512
Burr-MZT Joint Venture$690,839
Excell Construction Corp$500,000
Everon, LLC$295,716
Mid-State Industries, LTD.$278,438

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 Z1EC?

Z1EC is the service code in the federal Product and Service Code (PSC) Manual for maintenance of production 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 Z1EC?

Most federal contract dollars under PSC Z1EC go with NAICS 238220 (Plumbing, Heating, and Air-Conditioning Contractors), 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 Z1EC?

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.

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