Hewlett-Packard is a technology company that produces computers, printers, and other electronic devices. CANON and Epson are two of its main competitors in the industry. CANON is a Japanese multinational corporation specializing in the manufacture of imaging and optical products, such as cameras, camcorders, photocopiers, and computer printers. Epson is a Japanese electronics company that specializes in manufacturing computer printers, information and imaging related equipment, and other products.