Chattem is an American, Chattanooga, Tennessee-based, producer and marketer of over-the-counter healthcare products, toiletries, dietary supplements, topical analgesics, and medicated skin care products. Originally named the Chattanooga Medicine Company, the company’s brand portfolio holds twenty-two brands including Allegra, Gold Bond, Flexall, IcyHot, Rolaids, Sun-In, Pamprin, Dexatrim, Aspercreme, and Selsun Blue. The company produces two-thirds of its products at its Chattanooga production facilities with the remaining produced by third-party producers. The company is a subsidiary of the French multinational pharmaceutical company Sanofi. The company’s brands are sold nationally through mass merchandiser, drug and food retailers. In 2005, 70% of the firm's sales were made through its top ten customers, which include Wal-Mart, Walgreens, and Kroger. Sales to Wal-Mart constituted 36% of Chattem’s total sales in 2005. Chattem supports these sales with a forty-five-person sales force and broadcast media advertising. Chattem has market penetration in the United States, Europe, Canada, Latin America, and the Caribbean.