Primary Electrical Contractor/General Consrtuction contactor and Sales and Services

Other Commercial and Service Industry Machinery Manufacturing, Heating Equipment (except Warm Air Furnaces) Manufacturing, Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers

Steam and Air-Conditioning Supply, Plumbing, Heating, and Air-Conditioning Contractors, Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen, Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Main

GRAND FORKS

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen, Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen

BISMARCK

FARGO

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen, Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers, Refrigeration Equipment and Supplies Merchant Wholesalers