Knife River, 3423 Marlin Hwy, Waco, TX 76705, US

Founded in 1917, Knife River Corporation is one of the leading aggregate producers in the United States. It provides aggregate, asphalt, building materials and ready-mix concrete to public and private sector clients. The company also offers cement, precast concrete, crushed stone and rebar. Knife River Corporation operates in more than 15 states in the central, western and southern United States. It maintains a staff of over 7,000 employees. The company provides aggregate placement, asphalt paving, site development and grading, concrete pumping, and emulsion distribution and lay down services. It also offers petroleum recycling, engineering, marine construction and contaminated soil remediation services. Headquartered in Bismarck, N.D., Knife River Corporation is a part of MDU Resources Group, which provides natural resource products and related services for the energy and transportation infrastructure industries. The company maintains one of its locations in Waco, Texas.