Water Supply and Irrigation Systems, Sewage Treatment Facilities, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction

Poured Concrete Foundation and Structure Contractors, Site Preparation Contractors

New Single-Family Housing Construction (except Operative Builders), Residential Remodelers, Power and Communication Line and Related Structures Construction, Poured Concrete Foundation and Structure Contractors, Framing Contractors

Industrial Building Construction, Commercial and Institutional Building Construction, Other Heavy and Civil Engineering Construction, Site Preparation Contractors, Marine Cargo Handling

Construction Sand and Gravel Mining, Water Supply and Irrigation Systems, Sewage Treatment Facilities, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders)

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, Other Heavy and Civil Engineering Construction

Residential Remodelers, Painting and Wall Covering Contractors, Site Preparation Contractors, All Other Specialty Trade Contractors, Landscaping Services

MACTEC RK&K JOINT VENTURE

Land Subdivision, Highway, Street, and Bridge Construction, Framing Contractors, Masonry Contractors, Roofing Contractors

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), Electrical Contractors, Site Preparation Contractors

Construction Sand and Gravel Mining, Water Supply and Irrigation Systems, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Land Subdivision

Logging, Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Site Preparation Contractors

Water Supply and Irrigation Systems, Sewage Treatment Facilities, Water and Sewer Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Site Preparation Contractors

Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Site Preparation Contractors

Site Preparation Contractors

Logging, New Single-Family Housing Construction (except Operative Builders), Residential Remodelers, Commercial and Institutional Building Construction, Highway, Street, and Bridge Construction

Industrial Building Construction, Commercial and Institutional Building 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

Site Preparation Contractors, General Freight Trucking, Long-Distance, Truckload, General Freight Trucking, Long-Distance, Less Than Truckload, Specialized Freight (except Used Goods) Trucking, Local

Site Preparation Contractors