| Naics index | Naics index description |
|---|---|
| 237310 | Surfacing, highway, road, street, bridge or airport runway |
| 237310 | Tarring roads |
| 237310 | Traffic lane painting |
| 237310 | Trestle construction |
| 237990 | Anchored earth retention contractors |
| 237990 | Athletic field (except stadium) construction |
| 237990 | Avalanche, rockslide, mudslide, or roadside protection construction |
| 237990 | Breakwater construction |
| 237990 | Bridle path construction |
| 237990 | Bulkhead wall or embankment construction |