Plumbing, Heating, and Air-Conditioning Contractors, Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Main

Highway, Street, and Bridge Construction

Other Building Finishing Contractors

Excavation

Construction Sand and Gravel Mining, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction

New Multifamily Housing Construction (except Operative Builders), Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction

Other Foundation, Structure, and Building Exterior Contractors

Poured Concrete Foundation and Structure Contractors

Framing Contractors, Finish Carpentry Contractors

Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction, Framing Contractors, Roofing Contractors

Hydroelectric Power Generation, Water Supply and Irrigation Systems, Sewage Treatment Facilities, Industrial Building Construction, Water and Sewer Line and Related Structures Construction

Support Activities for Nonmetallic Minerals (except Fuels) Mining, Plumbing, Heating, and Air-Conditioning Contractors, Plate Work Manufacturing, Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers, Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals)

Fur-Bearing Animal and Rabbit Production, Logging, Hunting and Trapping, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders)

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction

Commercial and Institutional Building Construction

Other Foundation, Structure, and Building Exterior Contractors, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Aluminum Sheet, Plate, and Foil Manufacturing, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Plate Work Manufacturing

Support Activities for Metal Mining, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Site Preparation Contractors

All Other Specialty Trade Contractors, Audio and Video Equipment Manufacturing, Landscaping Services, Consumer Electronics Repair and Maintenance

Highway, Street, and Bridge Construction, Poured Concrete Foundation and Structure Contractors, Site Preparation Contractors, All Other Specialty Trade Contractors, Specialized Freight (except Used Goods) Trucking, Local