| | | 2371 | Utility System
Construction | | | | | Heavy and Civil
Engineering Construction 237 | Construction 23 |
| | | 2372 | Land Subdivision | | | | | Heavy and Civil
Engineering Construction 237 | Construction 23 |
| | | 2373 | Highway, Street, and
Bridge Construction | | | | | Heavy and Civil
Engineering Construction 237 | Construction 23 |
| | | 2379 | Other Heavy and Civil
Engineering Construction | | | | | Heavy and Civil
Engineering Construction 237 | Construction 23 |