2017 NAICS Definition

T = Canadian, Mexican, and United States industries are comparable.

221330 Steam and Air-Conditioning Supply

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

2007 NAICS		2012 NAICS		2017 NAICS		Corresponding Index Entries
221330		221330		221330		Air-conditioning supply
221330		221330		221330		Cooled air distribution
221330		221330		221330		Distribution of cooled air
221330		221330		221330		Distribution of heated air
221330		221330		221330		Distribution of steam heat
221330		221330		221330		Geothermal steam production
221330		221330		221330		Heat, steam, distribution
221330		221330		221330		Heated air distribution
221330		221330		221330		Heating steam (suppliers of heat) providers
221330		221330		221330		Steam heat distribution
221330		221330		221330		Steam heating systems (i.e., suppliers of heat)
221330		221330		221330		Steam production and distribution
221330		221330		221330		Steam supply systems, including geothermal