| | | | 2361 | Residential Building
Construction | 4 | | | Residential Building
Construction 2361 | Construction of Buildings 236 | Construction 23 |
| | | | 23611 | Residential Building
Construction | 5 | | Residential Building
Construction 23611 | Residential Building
Construction 2361 | Construction of Buildings 236 | Construction 23 |
| | | | 2362 | Nonresidential Building
Construction | 4 | | | Nonresidential Building
Construction 2362 | Construction of Buildings 236 | Construction 23 |
| | | | 23621 | Industrial Building
Construction | 5 | | Industrial Building
Construction 23621 | Nonresidential Building
Construction 2362 | Construction of Buildings 236 | Construction 23 |
| | | | 23622 | Commercial and
Institutional Building
Construction | 5 | | Commercial and
Institutional Building
Construction 23622 | Nonresidential Building
Construction 2362 | Construction of Buildings 236 | Construction 23 |
| | | | 237 | Heavy and Civil
Engineering Construction | 3 | | | | Heavy and Civil
Engineering Construction 237 | Construction 23 |
| | | | 2371 | Utility System
Construction | 4 | | | Utility System
Construction 2371 | Heavy and Civil
Engineering Construction 237 | Construction 23 |
| | | | 23711 | Water and Sewer Line and
Related Structures
Construction | 5 | | Water and Sewer Line and
Related Structures
Construction 23711 | Utility System
Construction 2371 | Heavy and Civil
Engineering Construction 237 | Construction 23 |
| | | | 23712 | Oil and Gas Pipeline and
Related Structures
Construction | 5 | | Oil and Gas Pipeline and
Related Structures
Construction 23712 | Utility System
Construction 2371 | Heavy and Civil
Engineering Construction 237 | Construction 23 |
| | | | 23713 | Power and Communication
Line and Related
Structures Construction | 5 | | Power and Communication
Line and Related
Structures Construction 23713 | Utility System
Construction 2371 | Heavy and Civil
Engineering Construction 237 | Construction 23 |
