CF Industries Holdings, Inc. engages in the manufacture and distribution of nitrogen fertilizer. The firm owns and operates nitrogen plants and serves agricultural and industrial customers through its distribution system. It operates through following segments: Ammonia, Granular Urea, UAN, AN, and Other. The Ammonia segment produces anhydrous ammonia. The Granular Urea segment offers granular urea. The UAN segment creates urea ammonium nitrate solution. The AN segment makes ammonium nitrate. The Other segment includes diesel exhaust fluid, nitric acid, urea liquor, and aqua ammonia. The company was founded in 1946 and is headquartered in Deerfield, IL.