Hoppel Fabrication Specialties, Inc. turns customer ideas into custom metal-fabricated equipment, vehicles and prototypes from its Louisville, Ohio shop. The company combines conceptual design and field-tested prototyping with welding and final manufacturing, and says it has been awarded more than 27 patents for proprietary inventions. Its purpose-built facility includes organized fabrication space, outdoor testing and staging areas, and a dedicated wash-and-delivery building.