Highway, Street, and Bridge Construction

Finish Carpentry Contractors

New Multifamily Housing Construction (except Operative Builders), Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction, Land Subdivision, Poured Concrete Foundation and Structure Contractors

Site Preparation Contractors

New Single-Family Housing Construction (except Operative Builders)

Water and Sewer Line and Related Structures Construction

Drywall and Insulation Contractors

Plumbing, Heating, and Air-Conditioning Contractors

Finish Carpentry Contractors, Other Building Finishing Contractors, Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers

Electrical Contractors

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders, Residential Remodelers, Industrial Building Construction

All Other Specialty Trade Contractors

Highway, Street, and Bridge Construction

Electrical Contractors

Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Site Preparation Contractors, All Other Specialty Trade Contractors

Water and Sewer Line and Related Structures Construction, Site Preparation Contractors, Construction Machinery Manufacturing

Corn Farming, Hay Farming, Cattle Feedlots, Other Crushed and Broken Stone Mining and Quarrying, All Other Nonmetallic Mineral Mining

Water Supply and Irrigation Systems, Sewage Treatment Facilities, New Single-Family Housing Construction (except Operative Builders), New Housing Operative Builders, Industrial Building Construction

Electrical Contractors