CF Industries 

CF Industries Holdings, Inc. manufactures and sells hydrogen and nitrogen products for energy, fertilizer, emissions abatement, and other industrial activities worldwide. Its principal products include anhydrous ammonia, granular urea, urea ammonium nitrate, and ammonium nitrate products. The company also offers diesel exhaust fluid, urea liquor, nitric acid, and aqua ammonia products; and compound fertilizer products with nitrogen, phosphorus, and potassium. It primarily serves cooperatives, independent fertilizer distributors, traders, wholesalers, and industrial users. The company was founded in 1946 and is headquartered in Deerfield, Illinois.