Variant of NAICS 2012 - Energy sector

221330 - Steam and air-conditioning supply^US

All examples - 221330 - Steam and air-conditioning supply^US

• chilled water distribution
• distribution of cooled air
• heating plant
• steam and air-conditioning supply
• steam generation plant
• steam heating systems (i.e., suppliers of heat)
• steam production and distribution
• steam supply systems (including geothermal)