Spectrum Brands Holdings, Inc. is an American diversified company headquartered in Middleton, Wisconsin. It was established in 2005 as the successor to Rayovac Corporation. It is one of the Fortune 500 companies, and among the largest of its kind.

Middleton is a city in Dane County, Wisconsin, United States, and a suburb of the state capital, Madison. Middleton's motto is "The Good Neighbor City." The population was 21,827 at the 2020 census.