| 15 |
General Building Contractors |
|
152 |
Residential Building
Construction |
|
|
1521 |
Single-family housing construction |
|
|
1522 |
Residential construction, nec |
|
153 |
Operative Builders |
|
|
1531 |
Operative builders |
|
|
154 |
Nonresidential Building Construction |
|
|
1541 |
Industrial buildings and warehouses |
|
|
1542 |
Nonresidential construction, nec |
