| Naics index | Naics index description |
|---|---|
| 237990 | Ice rink (except indoor) construction |
| 237990 | Jetty construction |
| 237990 | Land drainage contractors |
| 237990 | Levee construction |
| 237990 | Light rail system construction |
| 237990 | Lock and waterway construction |
| 237990 | Marine construction |
| 237990 | Microtunneling contractors |
| 237990 | Missile facility construction |
| 237990 | Monorail construction |