Founded in 1959, Generac Power Systems is one of the leading, independent manufacturers of engine-driven generator systems for industrial, commercial, residential, recreational vehicle and communication applications. It offers advanced product design, engineering and manufacturing solutions. The privately held company s product line includes modular power systems and portable generators. It also specializes in the design and manufacture of air-cooled engines, alternators, enclosures, control systems and transfer switches. Generac Power Systems manages manufacturing facilities in Wisconsin and Iowa. It sells products through various wholesale distributors, service dealers and national parts depots. The company has an inventory of replacement parts and maintenance items. It additionally provides online product registration options.