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

Other Heavy and Civil Engineering Construction, Poured Concrete Foundation and Structure Contractors, Engineering Services

Hydroelectric Power Generation, Water Supply and Irrigation Systems, Sewage Treatment Facilities, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders)

Support Activities for Forestry, Other Heavy and Civil Engineering Construction, Surgical Appliance and Supplies Manufacturing, Other Commercial Equipment Merchant Wholesalers, Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

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

Water and Sewer Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Poured Concrete Foundation and Structure Contractors, Plumbing, Heating, and Air-Conditioning Contractors, Drywall and Insulation Contractors

CIVIL CONSTRUCTION AND MINING BUSINESS UNIT

New Single-Family Housing Construction (except Operative Builders), Residential Remodelers, Commercial and Institutional Building Construction, Other Heavy and Civil Engineering Construction, Other Foundation, Structure, and Building Exterior Contractors

PINKARD CONSTRUCTION CO

Other Crushed and Broken Stone Mining and Quarrying, Construction Sand and Gravel Mining, Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction

Water Supply and Irrigation Systems, Steam and Air-Conditioning Supply, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction

SKANSKA USA CIVIL WEST ROCKY MOUNTAIN DISTRICT INC.

Drilling Oil and Gas Wells, Support Activities for Oil and Gas Operations, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction

Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction, Other Heavy and Civil Engineering Construction, Framing Contractors

Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Other Heavy and Civil Engineering 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, Site Preparation Contractors

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

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

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