Cray Inc. is an American supercomputer manufacturer headquartered in Seattle, Washington. It also manufactures systems for data storage and analytics. Several Cray supercomputer systems are listed in the TOP500, which ranks the most powerful supercomputers in the world. The number of Cray systems on the list varies from year to year. Cray manufactures its products in Chippewa Falls, Wisconsin, where its founder, Seymour Cray, was born and raised. The company also has offices in St. Paul, Minnesota (the site of its original headquarters under Seymour Cray), and numerous other sales, service, engineering, and R&D locations around the world. The companys predecessor, Cray Research, Inc. (CRI), was founded in 1972 by computer designer Seymour Cray. Seymour Cray went on to form the spin-off Cray Computer Corporation (CCC), in 1989, which went bankrupt in 1995, while Cray Research was bought by SGI the next year. Cray Inc. was formed in 2000 when Tera Computer Company purchased the Cray Research Inc. business from SGI and adopted the name of its acquisition.