Knife River Corporation, Mountain West Knife River Corporation, Mountain West Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Other >> General Contractors >> Highway Contractor Knife River Corporation, Mountain West 5450 W Gowen RdBoise, ID 83709 | View on Google Maps Josh Smith (208) 362-6152 Visit Site Connect With Us Mass excavation, grading, utilities, site development, asphalt paving, concrete Redi-Mix supplier, general engineering, rock trenching, heavy highway construction, and design build. Member Since: 1998 Send a message to: Knife River Corporation, Mountain West Your Name: Your Email: Subject: Message: (Date: 8/10/2025)