Driver Manager - Duncan, OK Day & Ross, Inc.Driver Manager - Duncan, OKDuncan, OKp>Responsible for preventative maintenance, pre-inspection maintenance, diagnostics and repairs on the company's fleet of trucks in accordance with the applicable level of training and apprenticeship. From a single truckload of potatoes in the 1950s to a fleet of thousands, Day & Ross has grown to become one of the largest transportation and logistics providers in North America.