Knife River, is one of the top 10 aggregate, ready-mix sand, gravel and crushed stone producers in the nation. At peak construction season we employ more than 5,000 men and women who have been widely recognized for their superior customer service. We are sitting on a foundation of more than 1.1 billion tons of aggregate and provide a wide variety of products and services necessary for building America. We specialize in these areas:- Asphalt- Aggregate- Concrete and cement- Paving- Construction. Since purchasing the first aggregate company in 1992, Knife River has become one of the fastest-growing aggregate and construction companies in the central, southern and western United States. We have acquired nearly 70 companies located in 14 states and are licensed to perform work in many more. Yet despite our continued growth and success, we still remain dedicated to exceptional customer service and high-quality materials. Let us know how we can serve you. For everything you need to get the job done, call Knife River today!