GNC Power has been buying, selling and rebuilding commercial generators for 25 years. Global presence. Diesel and natural gas generators. New, used and refurbished generators. All makes (Cat, Cummins, Detroit, Generac, Waukesha, many more). All sizes 100 KW to 2000 KW and beyond. Industrial, commercial, drilling, marine, mining, telecom and construction applications. Generator ends, engines, transfer switches, enclosures, circuit breakers and more. Purchase decommissioned equipment. Proudly American owned and operated.