| [236115] New Single-Family Housing Construction (except Operative Builders) |
| [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 |
| [237130] Power and Communication Line and Related Structures Construction |
| [237310] Highway, Street, and Bridge Construction |
| [237990] Other Heavy and Civil Engineering Construction |
| [238110] Poured Concrete Foundation and Structure Contractors |
| [238120] Structural Steel and Precast Concrete Contractors |
| [238140] Masonry Contractors |
| [238190] Other Foundation, Structure, and Building Exterior Contractors |
| [238350] Finish Carpentry Contractors |
| [238910] Site Preparation Contractors |
| [238990] All Other Specialty Trade Contractors |
| [423320] Brick, Stone, and Related Construction Material Merchant Wholesalers |
| [423390] Other Construction Material Merchant Wholesalers |
| [423520] Coal and Other Mineral and Ore Merchant Wholesalers |
| [423610] Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers |
| [423810] Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers |
| [424690] Other Chemical and Allied Products Merchant Wholesalers |