# NAICS 221330: Steam and Air-Conditioning Supply

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [221330 Steam and Air-Conditioning Supply](https://bidrover.com/naics/221330)

This industry comprises establishments primarily engaged in providing steam, heated air, or cooled air. The steam distribution may be through mains.

- NAICS code: 221330
- Title: Steam and Air-Conditioning Supply
- Sector: 22 Utilities
- Subsector: 221 Utilities
- Industry group: 2213 Water, Sewage and Other Systems
- SBA size standard: $30 million average annual receipts
- Open bids on BidRover: 0

## Open bids (0)

No open bids cite this code right now.

## Frequently asked questions

### What is NAICS code 221330?

NAICS 221330 is "Steam and Air-Conditioning Supply" in the 2022 North American Industry Classification System, in sector 22 (Utilities). This industry comprises establishments primarily engaged in providing steam, heated air, or cooled air. The steam distribution may be through mains.

### What is the SBA size standard for NAICS 221330?

A business is small under NAICS 221330 at or below $30 million average annual receipts, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 221330?

No open bid in BidRover cites NAICS 221330 right now. Many state and local notices do not list a NAICS code, so a keyword alert for this work catches more of them.

### How do I get alerts for NAICS 221330 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [238220 Plumbing, Heating, and Air-Conditioning Contractors](https://bidrover.com/naics/238220)
- [423730 Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers](https://bidrover.com/naics/423730)
- [221310 Water Supply and Irrigation Systems](https://bidrover.com/naics/221310)
- [221320 Sewage Treatment Facilities](https://bidrover.com/naics/221320)

---

Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.