Established in 1898, Dakota Supply Group is an employee-owned company that provides full-line electrical, communications and mechanical products to clients in North Dakota, South Dakota and Minnesota. It offers electrical control, sewage and water, pumping, hydronic and domestic hot water systems, as well as lighting, heating and distribution equipment. The company additionally provides transformers, cables, wires, motors, valves, shower doors, pumps, water coolers and heaters, sinks and pipe fittings. It also offers transmission, phone, splicing and construction equipment, key systems, and copper and fiber optic cables. The company provides processing, packaging and shipping services. Dakota Supply Group provides a range of products manufactured by Irwin Company, Lorain Power, Flexiduct, Alkco Lighting, Kidde Safety and Klein Tools. Its client base includes schools, hospitals, commercial buildings, industrial plants and homes. The company is a member of IMARK, which is a member-owned buying group. Headquartered in Fargo, N.D., Dakota Supply Group maintains one of its locations in Sioux Falls, S.D.