|
Alphabetic Keywords |
2002 NAICS |
1997 NAICS |
2002 NAICS Short Title |
| Air-conditioning supply | 221330 | Steam and Air-Conditioning Supply | |
| Cooled air distribution | 221330 | Steam and Air-Conditioning Supply | |
| Distribution of cooled air | 221330 | Steam and Air-Conditioning Supply | |
| Distribution of heated air | 221330 | Steam and Air-Conditioning Supply | |
| Distribution of steam heat | 221330 | Steam and Air-Conditioning Supply | |
| Heated air distribution | 221330 | Steam and Air-Conditioning Supply | |
| Steam heat distribution | 221330 | Steam and Air-Conditioning Supply | |
| Blower and fan, cooling and dry heating, installation | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |
| Duct work (e.g., cooling, dust collection, exhaust, heating, ventilation) installation | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |
| Exhaust system (e.g., kitchens, industrial work areas) installation | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |
| Furnace, forced air, installation | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |
| Heating and ventilation system component (e.g., air registers, diffusers, filters, grilles, sound attenuators) installation | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |
| Heating, ventilation and air-conditioning (HVAC) contractors | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |
| HVAC (heating, ventilation and air-conditioning) contractors | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |
| Refrigeration system (e.g., commercial, industrial, scientific) installation | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |
| Air-conditioning system (except window) installation | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |
| Central air-conditioning equipment installation | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |
| Heat pump installation | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |
| Heating and cooling duct work installation | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |
| Heating equipment installation | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |
| Sheet metal duct work installation | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |
| Warm air heating system installation | 238220 | 235110 | Plumbing, Heating, and Air-Conditioning Contractors |