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.