Trench Plate® Rental Co (TPR), “First In Service” since 1979. The firm provides Excavation Shoring products and services, as well as temporary traffic control. Steel and Aluminum Boxes; Hydraulic Shoring; Slide Rail Shoring Systems; Shoring Beams; Pipe Plugs; Competent Person and Flagger Training and thousands of other products. For more information on equipment, location and training, visit our web site at www.tprco.com.