221330

Steam and Air-Conditioning Supply

Utilities › Utilities › Water, Sewage and Other Systems

SBA Size Standard

$30M average annual receipts

Revenue-Based Verify at SBA.gov →

NAICS Code Hierarchy

22

Sector

Utilities

221

Subsector

Utilities

2213

Industry Group

Water, Sewage and Other Systems

221330

National Industry (This Code)

Steam and Air-Conditioning Supply

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This industry comprises establishments primarily engaged in providing steam, heated air, or cooled air. The steam distribution may be through mains.

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

$30M average annual receipts

Measurement Period

3-year average

Standard Type

Revenue-Based

Applies To

All contracts under NAICS 221330

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Selling and installing warm air heating and air-conditioning equipment--are classified in Industry 238220, Plumbing, Heating, and Air-Conditioning Contractors; and
Merchant wholesale distribution of warm air heating and air-conditioning equipment--are classified in Industry 423730, Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers.

How to Use NAICS 221330 in SAM.gov

NAICS code 221330Steam and Air-Conditioning Supply — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Water, Sewage and Other Systems space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of $30M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 221330.

Log in Entity Registration Goods & Services Add NAICS Code Enter 221330 Save

Frequently Asked Questions

What is NAICS code 221330?

NAICS code 221330 is 'Steam and Air-Conditioning Supply', classified under the Utilities sector (NAICS 22). This industry comprises establishments primarily engaged in providing steam, heated air, or cooled air. The steam distribution may be through mains. Cross-References. Establishments primarily engage

What is the SBA small business size standard for NAICS code 221330?

The SBA defines a small business under NAICS code 221330 (Steam and Air-Conditioning Supply) as one with $30M average annual receipts. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 221330 in SAM.gov?

To register NAICS code 221330 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 221330 (Steam and Air-Conditioning Supply) to your NAICS code list. You may designate one code as your Primary NAICS code.

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