CF Industries Holdings, Inc., through its subsidiary, CF Industries, Inc., manufactures and distributes nitrogen and phosphate fertilizer products, serving agricultural and industrial customers worldwide. It operates in two segments, Nitrogen and Phosphate. The Nitrogen segment principally offers ammonia, granular urea, urea ammonium nitrate solution, urea liquor, diesel exhaust fluid, and aqua ammonia. The Phosphate segment primarily offers diammonium phosphate and monoammonium phosphate. The company also owns 50% interests in the GrowHow UK Limited, a nitrogen products producer in the United Kingdom; Point Lisas Nitrogen Limited, an ammonia producer; and KEYTRADE AG, a global fertilizer trading company. CF Industries Holdings