Feb 05, 2019 · For more than twenty years, Topper Industrial (www.topperindustrial.com) has been and continues to be a leading manufacturer of material handling equipment.Topper provides lean material handling solutions to the supply chain.Topper Industrial is able to engineer and design Industrial Carts (Mother / Daughter Cart Systems, Quad Steer Carts or Tracking Carts, Specialized Delivery Carts, Transfer