The term 'Office Machine Giant' refers to the company XEROX, which is a multinational document management corporation that was founded in 1906. XEROX is best known for its development of xerography, a dry photocopying technique, and its iconic copiers. The company has since expanded its product line to include printers, scanners, and other office equipment. XEROX has become a leader in the office machine industry, and its products are used in businesses and homes around the world.