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

Crushed and Broken Limestone Mining and Quarrying, Crushed and Broken Granite Mining and Quarrying, Other Crushed and Broken Stone Mining and Quarrying, Construction Sand and Gravel Mining, Support Activities for Metal Mining

Industrial Building Construction, Structural Steel and Precast Concrete Contractors, All Other Specialty Trade Contractors

Water Supply and Irrigation Systems, New Housing Operative Builders, Residential Remodelers, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction

Hydroelectric Power Generation, Fossil Fuel Electric Power Generation, Nuclear Electric Power Generation, Electric Bulk Power Transmission and Control, Electric Power Distribution

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Land Subdivision

Poured Concrete Foundation and Structure Contractors, Structural Steel and Precast Concrete Contractors, Framing Contractors, Roofing Contractors, Siding Contractors