Knife River Corporation, Mountain West Knife River Corporation, Mountain West Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Other >> Division 32 - Exterior Improvements >> 32 12 00 Flexible Paving Knife River Corporation, Mountain West 5450 W Gowen RdBoise, ID 83709 | map | directions Josh Smith (833) 464-2667 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