Industry: 4961—Steam and Air-Conditioning Supply
Establishments engaged in the production and/or distribution of steam and heated or cooled air for sale.
| Air-conditioning supply services | Geothermal steam production |
| Cooled air suppliers | Steam heating systems (suppliers of heat) |
| Distribution of cooled air | Steam supply systems, including geothermal |
| Codes |
Titles | Total Marketable US Businesses |
| 49610000 | Steam and air-conditioning supply | 51 |
| 49619901 | Air conditioning supply services | 154 |
| 49619902 | Cooled air supplier | 13 |
| 49619903 | Steam heating systems (suppliers of heat) | 36 |
| 49619904 | Steam supply systems, including geothermal | 42 |
