Knife River Corp

Located in Chico, Calif., Knife River Corporation is a subsidiary of the MDU Resources Group. It is a fully integrated, independently managed and operated construction materials and mining company. It uses large equipment, crushers, conveyors and loading equipment for mining and related construction materials production. It mines aggregates and markets crushed stone, sand, gravel and related construction materials, including ready-mixed concrete, cement, asphalt and other value-added products, as well as performing integrated construction services. It also manufactures and distributes liquid asphalt cement, as well as recycles used petroleum products. It provides materials and services to both the public and the private sectors. It has operations in nearly 10 states, including Alaska, California, Hawaii, Iowa, Idaho, Minnesota, Montana, Nebraska and Oregon.

Knife River Corporation, earlier known as Baldwin Contracting Company, is one of the leading aggregate producers in the United States. The company has more than 10 locations. It maintains a work force of over 5,000 employees. Established in 1917, Knife River Corporation provides various types of building materials, such as blocks, foundations, retaining walls and paver systems. The company offers asphalt, cement and ready-mix concrete. It provides engineering, pumping, emulsion distribution and petroleum recycling services. Knife River Corporation additionally offers airport construction, maintenance and leadership development solutions. The company is a subsidiary of the MDU Resources Group, which provides natural resource products.