Plumbing, Heating, and Air-Conditioning Contractors
NAICS 238220 is the North American Industry Classification System code for Plumbing, Heating, and Air-Conditioning Contractors, part of the Construction sector. In federal contracting every solicitation is tagged with a NAICS code, so if this is your line of work, 238220 is the code to register under in SAM.gov and to filter opportunities by.
Is your business “small” under NAICS 238220?
The SBA sets a size standard (a revenue or employee cap) for every NAICS code, and revises them periodically. Confirm the current threshold for 238220 with SBA’s official Size Standards Tool or its Table of Size Standards.
About this code
- Sector: Construction (23)
- Code: 238220 — a six-digit NAICS 2022 national industry code
- Use it for: registering your business under in SAM.gov and filtering opportunities + set-asides
Related NAICS codes
Other six-digit codes in the same NAICS industry group (2382):
How to find & win Plumbing, Heating, and Air-Conditioning Contractors contracts
NAICS 238220 is your discovery axis. Register under it in SAM.gov, then filter federal and state opportunities by this code and your set-asides. These step-by-step guides walk through it:
Search live Plumbing, Heating, and Air-Conditioning Contractors (NAICS 238220) opportunities across SAM.gov and all 50 states — free.
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