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NAICS 238220

Plumbing, Heating, and Air-Conditioning Contractors

Sector: Construction

SBA size standard
$19.0M
Top buying agencies
  • Department of Veterans Affairs
  • Department of Defense
  • General Services Administration

Open opportunities in NAICS 238220

Updated August 24, 2026

1,694active solicitations

Most active buyers

  • Department of Defense548
  • Department of Veterans Affairs467
  • Interior, Department of the232
  • Department of Agriculture119
  • Department of Homeland Security86

Most common set-asides

  • Total Small Business Set-Aside (FAR 19.5)704
  • Unrestricted292
  • Service-Disabled Veteran-Owned Small Business Set Aside265
  • Small Business Set Aside - Total242
  • No Set aside used88

Counts reflect active contract opportunities ingested from SAM.gov and refresh daily. Figures move as solicitations are posted, amended, and closed.

Description

Establishments primarily engaged in installing and servicing plumbing, heating, ventilation, air-conditioning, and refrigeration systems.

Common uses in federal contracting

  • HVAC replacement and modernization
  • Boiler and chiller plant work
  • Plumbing infrastructure repair

How to use this NAICS

Add NAICS 238220 to your SAM.gov entity profile to be identified as a provider in this industry. If you are a small business under the $19.0M size standard, you qualify for small-business set-asides in this code.

See our guide to federal set-asides for a walk-through of which programs you can stack on top of this NAICS.

Related NAICS codes

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