| Naics index | Naics index description |
|---|---|
| 236220 | Hatchery construction |
| 236220 | Health and athletic club construction |
| 236220 | Hospital construction |
| 236220 | Hotel construction |
| 236220 | Ice rink, indoor, construction |
| 236220 | Indoor swimming pool construction |
| 236220 | Institutional building construction |
| 236220 | Institutional building construction for-sale builders |
| 236220 | Institutional building construction general contractors |
| 236220 | Jail construction |