Generac Holdings Inc. manufactures power generation equipment and other engine-powered products serving residential, commercial, oil, gas, and other industrial markets. Offerings include standby generators, portable and mobile generators for a variety of applications, lighting, heating, pumps, and outdoor power equipment. Generac offers a wide range of products from stationary generators to much larger multimegawatt systems. Generac was founded in 1959 and is headquartered in Waukesha, WI.