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

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

JAMES NITZ CONSTRUCTION

Industrial Building Construction, Other Foundation, Structure, and Building Exterior Contractors, All Other Miscellaneous Manufacturing, Other Construction Material Merchant Wholesalers, Other Scientific and Technical Consulting Services

Industrial Building Construction, Commercial and Institutional Building Construction

DAN GELFAND WOODCARE

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

Plumbing, Heating, and Air-Conditioning Contractors, Other Building Equipment Contractors, Refrigeration Equipment and Supplies Merchant Wholesalers, Industrial Machinery and Equipment Merchant Wholesalers, Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Main

HINCKLEY LUMBER, INC.

KNIGHT MECHANICAL INC

ECOWATER CHC

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

VOXLAND ELECTRIC INC.

Residential Remodelers, Glass and Glazing Contractors, Roofing Contractors, Siding Contractors

New Multifamily Housing Construction (except Operative Builders), Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction, Poured Concrete Foundation and Structure Contractors

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

WEST BRANCH CONSTRUCTION CO.

Roofing Contractors