equipment rental, highway, sand, sandbagging, dike work, trucking, hauling, gravel, excavation, sitework, riprap, topsoil

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

New Multifamily Housing Construction (except Operative Builders), Industrial Building Construction, 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

FFE installation, relocation, design, space planning, panel lifting, cleaning, reconditioning, project management.

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), Residential Remodelers, Water and Sewer Line and Related Structures Construction, Site Preparation Contractors

NORTHSTAR MATERIALS, INC. DBA KNIFE RIVER MATERIALS

Water and Sewer Line and Related Structures Construction, Site Preparation Contractors, All Other Specialty Trade Contractors

Power and Communication Line and Related Structures Construction, Plumbing, Heating, and Air-Conditioning Contractors, Semiconductor and Related Device Manufacturing, Other Electronic Parts and Equipment Merchant Wholesalers, Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers

Water Supply and Irrigation Systems, Other Heavy and Civil Engineering Construction, Landscaping Services, Other Services to Buildings and Dwellings

Highway, Street, and Bridge Construction, Site Preparation Contractors, General Freight Trucking, Local, Specialized Freight (except Used Goods) Trucking, Local

T D & I CABLE MAINTENANCE, INC.

MELSHA CONSTRUCTION INC.

Steam and Air-Conditioning Supply, Power and Communication Line and Related Structures Construction, Plumbing, Heating, and Air-Conditioning Contractors

Highway, Street, and Bridge Construction, All Other Specialty Trade Contractors

Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, All Other Specialty Trade Contractors

GT SEEDING, LLC

Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Site Preparation Contractors, All Other Specialty Trade Contractors

WAGNER COMPANY INC.