Support Activities for Forestry, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders, Industrial Building Construction

Power and Communication Line and Related Structures Construction

Bituminous Coal and Lignite Surface Mining, Bituminous Coal Underground Mining, Anthracite Mining, Iron Ore Mining, Gold Ore Mining

Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction

Construction Sand and Gravel Mining, Support Activities for Oil and Gas Operations, Industrial Building Construction, Oil and Gas Pipeline and Related Structures Construction, Poured Concrete Foundation and Structure Contractors

Industrial Building Construction, Commercial and Institutional Building Construction, Highway, Street, and Bridge Construction, Masonry Contractors, Flooring Contractors

Land Subdivision

Crushed and Broken Limestone Mining and Quarrying, Other Crushed and Broken Stone Mining and Quarrying, Construction Sand and Gravel Mining, All Other Nonmetallic Mineral Mining, Water Supply and Irrigation Systems

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

Water and Sewer Line and Related Structures Construction, Land Subdivision, Highway, Street, and Bridge Construction, All Other Specialty Trade Contractors

237990

Hydroelectric Power Generation, Other Electric Power Generation, Other Heavy and Civil Engineering Construction

Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction

Commercial and Institutional Building Construction, Other Heavy and Civil Engineering Construction, Poured Concrete Foundation and Structure Contractors, Structural Steel and Precast Concrete Contractors

Construction Sand and Gravel Mining, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction

Highway, Street, and Bridge Construction

Highway, Street, and Bridge Construction, Roofing Contractors, Painting and Wall Covering Contractors