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

MARTIN CONSTRUCTION CO., INC.

Power and Communication Line and Related Structures Construction, Electrical Contractors, All Other Specialty Trade Contractors

Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Poured Concrete Foundation and Structure Contractors

Highway, Street, and Bridge Construction

Land Subdivision

Land Subdivision

Excavation

Highway, Street, and Bridge Construction, Poured Concrete Foundation and Structure Contractors, Other Foundation, Structure, and Building Exterior Contractors

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

Other Marine Fishing, Soil Preparation, Planting, and Cultivating, Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures 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

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

Highway, Street, and Bridge Construction

Power and Communication Line and Related Structures Construction, Electrical Contractors, Other Building Equipment Contractors, Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers

Power and Communication Line and Related Structures Construction

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Poured Concrete Foundation and Structure Contractors, Glass and Glazing Contractors