Xerox Corporation is an American Corporation, one of the world leaders in the field of printing and document management technologies, a pioneer of mass production of copiers.

The company was renamed Haloid Xerox in 1958 and Xerox Corporation in 1961. After the acquisition in August 1963, the company's Electro-Optical Systems, Inc. in Pasadena, California, optical laboratories were located there (Xerox Electro-Optical Systems later became part of Loral EOS).

The training of technicians for laboratory and engineering departments were conducted at the Xerox Training Center in Leesburg, Virginia. The headquarters of the company located in Norwalk, Connecticut, but the majority of staff continues to be in Rochester (new York), where the firm was founded in 1906