| Naics index | Naics index description |
|---|---|
| 238220 | Water heater installation |
| 238220 | Water meter installation |
| 238220 | Water softener installation |
| 238220 | Water system balancing and testing contractors |
| 238220 | Waterless fire suppression system installation |
| 238220 | Waterless fire suppression system installation and repair |
| 238290 | Rubber door installation |
| 238290 | Antenna, household-type, installation |
| 238290 | ATMs (automated teller machines) installation |
| 238290 | Automated and revolving door installation |