homepage:
http://www.hp.com/

support:
http://www.hp.com/cposupport/eschome.html
http://contact.external.hp.com/email/
http://www.hp.com/country/us/eng/support.htm
http://thenew.hp.com/country/us/eng/contact_us.html?mtxs=corp&mtxb=3&mtxl=3

download:
http://welcome.hp.com/country/us/eng/software_drivers.htm

Most Common Manufacturers

1. Hewlett Packard (HP)
2. Toshiba
3. Sony Electronics
4. LG Electronics
5. NEC
6. Samsung
7. Phillips
8. Plextor
9. LiteOn Technology
10. Verbatim
11. Compaq
12. Hitachi
13. Acer
14. Creative Labs
15. Mitsumi Electronics
16. Philips Consumer Electronics
17. Matsushita (Matshita Panasonic)
18. TEAC America
19. Benq
20. Iomega
21. CEQuadrat
22. Cendyne Inc
23. National Semiconductor