Knife River Corporation – Northwest Knife River Corporation – Northwest Search | Advanced Search | New Members | Coupons and Discounts | All Categories Real Estate & Construction >> ROCK Knife River Corporation – Northwest 21880 SW Farmington Rd.Beaverton, OR 97007 | map | directions (503) 944-3500 Visit Site Member Since: 1995 Send a message to: Knife River Corporation – Northwest Your Name: Your Email: Subject: Message: (Date: 4/18/2024) If your business isn't here, contact us today to get listed!