Reebok - Reebok Reebok International Limited (NYSE: RBK) is an Anglo-American Fortune 500 company, subsidiary of Adidas AG, and producer of athletic footwear, apparel, and accessories. The name is the South African spelling of the word rhebok, a type of African antelope or gazelle. The company, founded in 1895, was originally called Mercury Sports, but was renamed as Reebok in 1960. The company s founders Joe and Jeff Foster found the name in a dictionary won in a race by Joe Foster as a boy.