| 238220 |
Chimney liner installation |
| 238220 |
Commercial freezer installation |
| 238220 |
Commercial refrigeration system installation |
| 238220 |
Cooling tower installation |
| 238220 |
Drain, waste and vent system installation |
| 238220 |
Drinking fountain installation |
| 238220 |
Dry heating equipment installation |
| 238220 |
Duct work (e.g., cooling, dust collection, exhaust, heating, ventilation) installation |
| 238220 |
Dust collecting and bag house equipment installation |
| 238220 |
Exhaust system (e.g., kitchens, industrial work areas) installation |