Granite Excavation, Inc. Granite Excavation, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Division 31 - Earthwork >> 31 00 00 Earthwork Granite Excavation, Inc. 23 Warm Lake HwyCascade, ID 83611 | map | directions Josh Davis (208) 382-4188 | fax: (208) 382-4189 Visit Site Connect With Us Residential and commercial excavation. Member Since: 2008