| [236116] New Multifamily Housing Construction (except Operative Builders) |
| [236117] New Housing Operative Builders |
| [236118] Residential Remodelers |
| [236210] Industrial Building Construction |
| [236220] Commercial and Institutional Building Construction |
| [237110] Water and Sewer Line and Related Structures Construction |
| [237120] Oil and Gas Pipeline and Related Structures Construction |
| [238110] Poured Concrete Foundation and Structure Contractors |
| [238120] Structural Steel and Precast Concrete Contractors |
| [238130] Framing Contractors |
| [238140] Masonry Contractors |
| [238150] Glass and Glazing Contractors |
| [238160] Roofing Contractors |
| [238170] Siding Contractors |
| [238190] Other Foundation, Structure, and Building Exterior Contractors |
| [238210] Electrical Contractors |
| [238220] Plumbing, Heating, and Air-Conditioning Contractors |
| [238910] Site Preparation Contractors |
