With roots reaching back to 1928, Klein Palmer designs and makes pneumatic conveying and sand-handling equipment for foundries, chemical and mineral processors, and rail operators. The Springfield, Ohio company became a specialist in moving abrasive materials with compressed air and is particularly known for low-velocity systems that reduce pipe wear and dust, including equipment for filling traction sand in light rail vehicles and locomotives. Its products are used worldwide by customers including General Motors, Caterpillar, and major municipalities.