American Sugar Refining, Inc. is a large privately held cane sugar refining company, with a production capacity of 6.5 million tons of sugar. The company produces a full line of consumer, industrial, food service, and specialty sweetener products. In 2013, it adopted the corporate brand name ASR Group. Its ownership structure is based on a partnership which includes the Florida Crystals Corporation, part of FLO-SUN, a sugar empire of the Fanjul brothers whose origins go back to Spanish-Cuban sugar plantations of the early 19th century.