CF Industries Holdings, Inc., together with its subsidiaries, engages in the manufacture and sale of hydrogen and nitrogen products for energy, fertilizer, emissions abatement, and other industrial activities in North America, Europe, and internationally. The company operates through Ammonia, Granular Urea, UAN, AN, and Other segments. 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. It primarily serves cooperatives, retailers, independent fertilizer distributors, traders, wholesalers, and industrial users. CF Industries Holdings, Inc. was founded in 1946 and is headquartered in Northbrook, Illinois.