Support Activites, Water Supply, Sewage Treatment, Water & Sewer Lines, Oil & Gas Pipeline, Power/Communication, Highway/St Construct, Heavy/Civil Eng, and Site Preparation

Power, Communication, Lines

Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction, Land Subdivision, Highway, Street, and Bridge Construction

Industrial Building Construction, Commercial and Institutional Building Construction, Power and Communication Line and Related Structures Construction, 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, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures 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, Land Subdivision, Highway, Street, and Bridge Construction

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)

Highway, Street, and Bridge Construction, Softwood Veneer and Plywood Manufacturing, All Other Miscellaneous Wood Product Manufacturing, Farm Supplies Merchant Wholesalers, Landscaping Services

SCHMIDT CONSTRUCTION COMPANY

OLDCASTLE SW GROUP, INC.

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

Highway, Street, and Bridge Construction, All Other Specialty Trade Contractors, Other Services to Buildings and Dwellings

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

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

MARTIN CONSTRUCTION CO., INC.

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

Highway, Street, and Bridge Construction

Excavation

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