| Naics index | Naics index description |
|---|---|
| 237990 | Embankment construction |
| 237990 | Farm drainage tile installation |
| 237990 | Flood control project construction |
| 237990 | Floodway canal and ditch construction |
| 237990 | Gabion construction |
| 237990 | Golf course construction |
| 237990 | Harbor construction |
| 237990 | Helical pier (i.e., marine or pneumatic structures) construction |
| 237990 | Horizontal drilling (e.g., underground cable, pipeline, sewer installation) |
| 237990 | Hydroelectric generating facility construction |