NAICS 221330
Steam & Air-conditioning Supply
Key Figures
Establishments
118
Census CBP · 2023
Employment
1,957
Census CBP · 2023
Market size
$1.3B
Census Economic Census · 2022
Figures are published for NAICS 221330 directly.
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Official definition
This industry comprises establishments primarily engaged in providing steam, heated air, or cooled air. The steam distribution may be through mains.
Source: US Census Bureau, 2017 NAICS Definitions. Public domain.
Which code does this activity belong in?
Code 221330 covers establishments that distribute steam, heated air, or cooled air to end users, including those operating steam distribution systems through mains. This code is distinct from Water Supply and Irrigation Systems, which provides water rather than thermal energy, and from Sewage Treatment Facilities, which handles waste water treatment rather than supplying climate control or steam services.
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