KNIFE RIVER MIDWEST, LLC

TPR ENTERPRISES, LLC

GREAT PLAINS DIVISION

Construction Sand and Gravel Mining, Potash, Soda, and Borate Mineral Mining, Site Preparation Contractors, Coal and Other Mineral and Ore Merchant Wholesalers

All Other Grain Farming, Hay Farming, All Other Miscellaneous Crop Farming, Beef Cattle Ranching and Farming, Dairy Cattle and Milk Production

Support Activities for Oil and Gas Operations, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders, Industrial Building Construction

Dimension Stone Mining and Quarrying

Support Activities for Oil and Gas Operations, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Highway, Street, and Bridge Construction, Painting and Wall Covering Contractors

All Other Grain Farming, Orange Groves, Citrus (except Orange) Groves, Apple Orchards, Grape Vineyards

Drilling Oil and Gas Wells, Water Supply and Irrigation Systems

Construction Sand and Gravel Mining, Steel Foundries (except Investment), Machine Shops, All Other Miscellaneous Fabricated Metal Product Manufacturing, Construction Machinery Manufacturing

Crushed and Broken Limestone Mining and Quarrying, Highway, Street, and Bridge Construction, Poured Concrete Foundation and Structure Contractors, Masonry Contractors, Other Foundation, Structure, and Building Exterior Contractors

Construction Sand and Gravel Mining, Site Preparation Contractors

Support Activities for Oil and Gas Operations, Oil and Gas Pipeline and Related Structures Construction, Motor Vehicle Supplies and New Parts Merchant Wholesalers, Metal Service Centers and Other Metal Merchant Wholesalers, Other Specialized Design Services

Dimension Stone Mining and Quarrying

Support Activities for Oil and Gas Operations, Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction

Support Activities for Metal Mining

Drilling Oil and Gas Wells, Support Activities for Oil and Gas Operations, Support Activities for Coal Mining, Support Activities for Metal Mining, New Single-Family Housing Construction (except Operative Builders)

Support Activities for Oil and Gas Operations, All Other Specialty Trade Contractors, All Other Support Activities for Transportation, Environmental Consulting Services, Hazardous Waste Collection

Drilling Oil and Gas Wells, Support Activities for Oil and Gas Operations, Support Activities for Coal Mining, Support Activities for Metal Mining, Support Activities for Nonmetallic Minerals (except Fuels) Mining