Oil-Dri Corp. of America develops, manufactures, and markets sorbent products. It operates through the Retail and Wholesale Products Group; and Business to Business Products Group segments. Read More The Retail and Wholesale Products Group segment includes mass merchandisers, wholesale clubs, drugstore chains, pet specialty retail outlets, dollar stores, retail grocery stores, distributors of industrial cleanup and automotive products, environmental service companies, and sports field product users. The Business to Business Products Group segment focuses on processors and refiners of edible oils, petroleum-based oils and biodiesel fuel; manufacturers of animal feed and agricultural chemicals; distributors of animal health and nutrition products; and marketers of consumer products. The company was founded by Nick Jaffee in 1941 and is headquartered in Chicago, IL.