American Crystal Sugar Company is an agricultural cooperative specializing in the production of sugar and related agri-products. The company was founded in 1899 and is headquartered in Moorhead, Minnesota. American Crystal Sugar Company is one of the largest sugar beet processors in the United States, producing over 15% of the country's sugar. The company operates sugar beet processing plants in Minnesota, North Dakota, and Iowa. American Crystal Sugar Company also produces and sells beet pulp, molasses, and other related products.