Knife River is one of the top 10 aggregate, ready-mix and sand and gravel 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’s infrastructure. 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. Our core business lines include aggregate, asphalt, ready-mix concrete, liquid asphalt and cement.

Northwest Contracting is an honest, dependable, diverse company known for providing quality work. Our dedication to building business relationships is based on quality, performance, trust, and respect. Our in-house capabilities and design-build approach have served clients in commercial, manufacturing, industrial, mini-storage, and community markets. This extensive experience makes Northwest Contracting efficient and reliable. Since 1983, we have been committed to listening to our clients and providing the service that best meets their needs. We combine creative design with quality products in concrete, conventional steel, masonry, pre-engineered Butler steel, or wood buildings, providing you with a full-service design-build general contractor.

Boring pipelines