Welcome to Sheehan Mack Sales & Equipment
Since 1955, Sheehan Mack Sales & Equipment, Inc. has been selling construction equipment and trucks in South Dakota at three
locations. These three locations are staffed with highly trained and experienced personnel. The parts and service department
are stocked and ready to give fast and efficient service. The office and administrative staff is always available and ready to
assist. We strive to serve our customers with a well-coordinated team effort.