1500 |
General Building Contractors |
1520 |
Residential Building Construction |
1521 |
Single-Family Housing Construction |
1522 |
Residential Construction, NEC |
1530 |
Operative Builders |
1531 |
Operative Builders |
1540 |
Nonresidential Building Construction |
1541 |
Industrial Buildings and Warehouses |
1542 |
Nonresidential Construction, NEC |
1600 |
Heavy Construction, Ex. Building |
1610 |
Highway and Street Construction |
1611 |
Highway and Street Construction |
1620 |
Heavy Construction, Except Highway |
1622 |
Bridge, Tunnel, and Elevated Highway |
1623 |
Water, Sewer, and Utility Lines |
1629 |
Heavy Construction, NEC |
1700 |
Special Trade Contractors |
1710 |
Plumbing, Heating, Air-Conditioning |
1711 |
Plumbing, Heating, Air-Conditioning |
1720 |
Painting and Paper Hanging |
1721 |
Painting and Paper Hanging |
1730 |
Electrical Work |
1731 |
Electrical Work |
1740 |
Masonry, Stonework, and Plastering |
1741 |
Masonry and Other Stone Work |
1742 |
Plastering, Drywall, and Insulation |
1743 |
Terrazzo, Tile, Marble, Mosaic Work |
1750 |
Carpentry and Floor Work |
1751 |
Carpentry Work |
1752 |
Floor Laying and Floor Work, NEC |
1760 |
Roofing, Siding, and Sheet Metal Work |
1761 |
Roofing, Siding, and Sheet Metal Work |
1770 |
Concrete Work |
1771 |
Concrete Work |
1780 |
Water Well Drilling |
1781 |
Water Well Drilling |
1790 |
Misc. Special Trade Contractors |
1791 |
Structural Steel Erection |
1793 |
Glass and Glazing Work |
1794 |
Excavation Work |
1795 |
Wrecking and Demolition Work |
1796 |
Installing Building Equipment, NEC |
1799 |
Special Trade Contractors, NEC |