| Naics index | Naics index description |
|---|---|
| 238210 | Installation of photovoltaic panels |
| 238210 | Intercommunication (intercom) system installation |
| 238210 | Lighting system installation |
| 238210 | Low voltage electrical work |
| 238210 | Private driveway or parking area lighting contractors |
| 238210 | Public address system installation |
| 238210 | Railroad signaling equipment installation |
| 238210 | Security and fire system, installation only |
| 238210 | Smoke detection system, installation only |
| 238210 | Snow melting cable, electric, installation |