Summit Excavation, Inc. 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 | map | directions Sam Schiffler (208) 420-7523 Summit Excavation is a heavy construction company specializing in dirtwork, underground, lined ponds, and hydroelectric project work. Member Since: 2020