What is NAICS code 238220?

NAICS 238220 is the industry "Plumbing, Heating, and Air-Conditioning Contractors" in the North American Industry Classification System, part of the Construction sector (23).

What is the size standard for NAICS 238220?

The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 238220 in the SBA table of size standards on sba.gov; it changes from time to time.

NAICS Code 238220: Plumbing, Heating, and Air-Conditioning Contractors

NAICS code 238220 is the industry for plumbing, heating, and air-conditioning contractors in the Construction sector. Agencies tag every federal contract with a NAICS code, so this is the code to list in your SAM.gov registration and to search for bids.

Government contracts under NAICS 238220

Federal agencies obligated $3.2B on contracts under NAICS 238220 from FY2024 to FY2026, including $1B in FY2026. The biggest buyers were the Department of Defense, the Department of Veterans Affairs, the Department of Agriculture. The largest contractors were North State Mechanical Inc, Blueway One JV LLC, Aktarius LLC.

See the full breakdown: government HVAC and plumbing contracts, who wins and who buys.

Open government bids for NAICS 238220

The newest open notices from SAM.gov. Bidding needs a free SAM.gov registration.

J045--FY27 Boilers Maintenance & TestingClosing soon
Veterans Affairs, Department of · Combined Synopsis/Solicitation · NAICS 238220 · PR · Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)
Posted Oct 30, 2026 · Responses due Nov 6, 2026
L7WC02_ B670 Paint Booth and HVAC
Dept of Defense · Combined Synopsis/Solicitation · NAICS 238220 · GA · No Set aside used
Posted Oct 30, 2026 · Responses due Nov 12, 2026
16292 Steam Boiler Replacement
Dept of Defense · Combined Synopsis/Solicitation · NAICS 238220 · UT · Small Business Set Aside - Total
Posted Oct 30, 2026 · Responses due Nov 11, 2026
J041--HVAC RepairClosing soon
Veterans Affairs, Department of · Sources Sought · NAICS 238220
Posted Oct 30, 2026 · Responses due Nov 4, 2026
FY27 HVAC Maintenance Service
Dept of Defense · Sources Sought · NAICS 238220 · VA · Small Business Set Aside - Total
Posted Oct 30, 2026 · Responses due Nov 13, 2026

See all 22 open bids under NAICS 238220

Small business size standard for NAICS 238220

To bid on small business set-aside contracts under NAICS 238220, your business must be small under the SBA size standard for this code, measured either by average annual receipts or by number of employees. The values are updated periodically, so check the current SBA table of size standards before you bid.

Other NAICS codes in 2382

How to choose the right NAICS code

Pick the 6-digit code that best describes what you sell. List it as your primary code in SAM.gov, and add other codes for related work. Agencies choose one NAICS code for each contract, so check the codes on past awards for the kind of work you do. Search all codes in the NAICS code lookup.

Related guides

Frequently asked questions

What is NAICS code 238220?: NAICS 238220 is the industry "Plumbing, Heating, and Air-Conditioning Contractors" in the North American Industry Classification System, part of the Construction sector (23).
What is the size standard for NAICS 238220?: The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 238220 in the SBA table of size standards on sba.gov; it changes from time to time.
Are there government contracts for NAICS 238220?: Yes. Federal agencies obligated $3.2B on contracts under NAICS 238220 from FY2024 to FY2026, and 22 notices are open right now.