Clayton, Missouri

city in and county seat of St. Louis County, Missouri, United States

Energizer Holdings, Inc. is an American manufacturer and one of the world's largest manufacturers of batteries, headquartered in Clayton, Missouri. It produces batteries under the Energizer, Ray-O-Vac, Varta, and Eveready brand names and formerly owned several personal care businesses until it separated that side of the business into a new company called Edgewell Personal Care in 2015.

American chemical manufacturing company

Caleres Inc. is an American footwear company that owns and operates a variety of footwear brands. Its headquarters is located in Clayton, Missouri, a suburb of St. Louis. The company was founded in 1878 as Bryan, Brown & Company in St. Louis, though it underwent several name changes. The Hamilton-Brown Shoe Company was the largest manufacturer of shoes in America in the early 20th century, but it went bankrupt in June 1939.