| Name | Address | Country | Phone | Website |
| Intl. Business Machines | New Orchard Rd., Armonk | NY | 914-499-1900 | http://www.ibm.com |
| Hewlett-Packard | 3000 Hanover St., Palo Alto | CA | 650-857-1501 | http://www.hp.com |
| Dell | 1 Dell Way, Round Rock | TX | 512-338-4400 | http://www.dell.com |
| NEC | 5-7-1 Shiba, Minato-ku Tokyo | Japan | 81-3-3454-1111 | http://www.nec.co.jp |
| Fujitsu | 1-5-2 Higashi-Shimbashi, Minato-ku Tokyo | Japan | 81-3-6252-2220 | http://www.fujitsu.com |
| Canon | 3-30-2 Shimomaruko, Ohta-ku Tokyo | Japan | 81-3-3758-2111 | http://www.canon.com |
| Ricoh | 1-15-5 Minami-Aoyama, Minato-ku Tokyo | Japan | 81-3-3758-2111 | http://www.ricoh.com/ |
| Xerox | 800 Long Ridge Rd., Stamford | CT | 203-968-3000 | http://www.xerox.com |
| Seiko Epson | 3-3-5 Owa, Suwa Suwa | Japan | 81-266-52-3131 | http://www.epson.com |
