Simplot Phosphates

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Simplot Phosphates, a part of J.R. Simplot Company, specializes in the production of phosphate fertilizers. The company utilizes raw materials, such as phosphate ore, sulfur and ammonia in the production process. Simplot Phosphates maintains manufacturing locations in Idaho, California and Nevada. It also produces purified phosphoric acid and dry and liquid phosphate. The company manufactures sulfuric acid and ammonium sulfate and hydroxide. In addition, Simplot Phosphates produces nitric acid and liquid and urea ammonium nitrates. With annual sales of more than $4 billion, J.R. Simplot Company is one of the largest, privately held businesses in the United States.