SDS Tug & Barge started as a natural extension of SDS Lumber Company’s Bingen, WA sawmill operations, providing a key transportation link between sawmill residual supplies and key residual customers both up and down the Columbia River.  SDS has expanded from a sole service provider for SDS Lumber Company to hosting a truck reload facility at Bingen, WA in addtion to contract towing for other customers along the Columbia River.