Burroughs Corporation

Burroughs Corporation
Formerly	American Arithmometer Company (1886–1904); Burroughs Adding Machine Company (1904–1953);
Industry	Business equipment; Adding machines; Mainframe computers;
Founded	1886
Founder	William Seward Burroughs I
Defunct	1986
Fate	Merged with the Sperry Corporation
Successor	Unisys
Headquarters	St. Louis, Missouri, U.S.

The Burroughs Corporation was a major American manufacturer of business equipment. The company was founded in 1886 as the American Arithmometer Company by William Seward Burroughs. In 1986, it merged with Sperry UNIVAC to form Unisys. The company's history paralleled many of the major developments in computing. At its start, it produced mechanical adding machines, and later moved into programmable ledgers and then computers. It was one of the largest producers of mainframe computers in the world, also producing related equipment including typewriters and printers.