Fossil Fuel Electric Power Generation, Nuclear Electric Power Generation, Electric Power Distribution, Highway, Street, and Bridge Construction, Urethane and Other Foam Product (except Polystyrene) Manufacturing

Natural Gas Distribution, Steam and Air-Conditioning Supply, Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction

Other Electric Power Generation, Electrical Contractors

Steam and Air-Conditioning Supply, New Single-Family Housing Construction (except Operative Builders), Residential Remodelers, Masonry Contractors, Glass and Glazing Contractors

Natural Gas Distribution, Sewage Treatment Facilities, Porcelain Electrical Supply Manufacturing

Electric Power Distribution, Residential Remodelers, Power and Communication Line and Related Structures Construction, Electrical Contractors, Painting and Wall Covering Contractors

Other Electric Power Generation, Hazardous Waste Treatment and Disposal

All Other Metal Ore Mining, Other Electric Power Generation, Inorganic Dye and Pigment Manufacturing, All Other Miscellaneous Chemical Product and Preparation Manufacturing, Iron and Steel Mills

Electric Bulk Power Transmission and Control, Electric Power Distribution, Natural Gas Distribution, Surveying and Mapping (except Geophysical) Services, Environmental Consulting Services

Natural Gas Distribution, Water Supply and Irrigation Systems, Sewage Treatment Facilities, Steam and Air-Conditioning Supply, New Single-Family Housing Construction (except Operative Builders)

Construction Sand and Gravel Mining, Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction

Fossil Fuel Electric Power Generation, Other Electric Power Generation, Residential Remodelers, Roofing Contractors, Electrical Contractors

Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction

Steam and Air-Conditioning Supply

Other Electric Power Generation, New Multifamily Housing Construction (except Operative Builders), Power and Communication Line and Related Structures Construction, Land Subdivision, Lessors of Residential Buildings and Dwellings

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

Natural Gas Distribution, Water Supply and Irrigation Systems, Sewage Treatment Facilities, Steam and Air-Conditioning Supply, Water and Sewer Line and Related Structures Construction

Crude Petroleum and Natural Gas Extraction, Natural Gas Liquid Extraction, Drilling Oil and Gas Wells, Support Activities for Oil and Gas Operations, Steam and Air-Conditioning Supply