Potash Corporation of Saskatchewan Inc. (PCS) is an integrated fertilizer and related industrial and feed products company. It is a producer of potash, phosphates and nitrogen producer. PCS owns and operates five potash mines in Saskatchewan and one in New Brunswick. It also holds mineral rights at the Esterhazy mine in Saskatchewan where potash is produced under a mining and processing agreement with a third party. Its phosphate operations include the manufacture and sale of solid and liquid phosphate fertilizers, animal feed supplements and industrial acid, which is used in food products and industrial processes. Its nitrogen operations include the production of nitrogen fertilizers and nitrogen feed and industrial products, including ammonia, urea, nitrogen solutions, ammonium nitrate and nitric acid. It has nitrogen facilities in Georgia, Louisiana, Ohio and Trinidad. As of December 31, 2011, it held 22% ownership interest in Sinofert Holdings Limited (Sinofert).