Spang Power Electronics designs and manufactures a broad range of products for industrial control applications. The company has been in operation for more than 40 years. It is one of the divisions of Spang. It provides silicon-controlled rectifier power controllers; automation control systems; dry-type transformers; and alternating- and direct-current power systems, drives and drive systems. It focuses on incorporating advanced microprocessor-based technology into custom-designed digital drives. The company designs alternating- and direct-current drive systems for process control of equipment used in the manufacturing and processing of metals, plastics, paper, fibers and films. It serves the metals, automotive, glass, mining, transportation, fibers, heating and chemical industries. Spang Power Electronics, headquartered in Mentor, Ohio, operates engineering and manufacturing facilities in Sandy Lake, Pa.