Idaho Materials & Construction Idaho Materials & Construction Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Division 31 - Earthwork >> 31 00 00 Earthwork Idaho Materials & Construction 924 N Sugar StNampa, ID 83687 | map | directions Tim Brown (208) 466-5001 Visit Site Connect With Us Specializing in heavy highway, public and private site development, asphalt paving, trucking, and gravel operations. Member Since: 1979