Map for Summit Excavation, Inc. Map for Summit Excavation, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Division 48 - Electrical Power Generation >> 48 70 00 Electrical Power Generation Testing Summit Excavation, Inc. 1171 Addison Ave WTwin Falls, ID 83301 | directions Sam Schiffler (208) 420-7523