Washington County, Oregon BUILDING MATERIALS Washington County, Oregon BUILDING MATERIALS Search | Advanced Search | New Members | Coupons and Discounts | All Categories Sort alphabetically by... Name City The Parr Company _ 5630 NE Century BlvdHillsboro, OR 97124 (503) 531-7277 Member Since: 2012 Learn More | Visit Site | Show on Map MSI _ 12220 SW Cimino StUnit 104Tualatin, OR 97062 503-822-8315 Member Since: 2025 Learn More | Visit Site | Show on Map If your business isn't here, contact us today to get listed!