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

Excavation

Highway, Street, and Bridge Construction

Highway, Street, and Bridge Construction

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

Construction Sand and Gravel Mining, New Single-Family Housing Construction (except Operative Builders), Industrial Building Construction, Commercial and Institutional Building Construction, Highway, Street, and Bridge Construction

Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction

Highway, Street, and Bridge Construction, Electrical Contractors, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Sign Manufacturing, Other Commercial Equipment Merchant Wholesalers

Water and Sewer Line and Related Structures Construction, Land Subdivision, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Site Preparation Contractors

Highway, Street, and Bridge Construction

Highway, Street, and Bridge Construction

Guardrail

Commercial and Institutional Building Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Structural Steel and Precast Concrete Contractors, Masonry Contractors

All Other Grain Farming, Hay Farming, Beef Cattle Ranching and Farming, Hog and Pig Farming, Water and Sewer Line and Related Structures Construction

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

Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction

Water Supply and Irrigation Systems, Sewage Treatment Facilities, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction

Highway, Street, and Bridge Construction

Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Poured Concrete Foundation and Structure Contractors, Site Preparation Contractors

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

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, 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, Site Preparation Contractors

Commercial and Institutional Building Construction, Highway, Street, and Bridge Construction, Plumbing, Heating, and Air-Conditioning Contractors, Site Preparation Contractors, All Other Specialty Trade Contractors

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

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Highway, Street, and Bridge Construction