Map for Coffman Excavation, Inc. Map for Coffman Excavation, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Division 31 - Earthwork >> 31 20 00 Earth Moving Coffman Excavation, Inc. 13014 Clackamas River DrOregon City, OR 97045 | directions Conor Toney (503) 656-7000 Visit Site