AOL (American On Line)

Website: http://www.corp.aol.com/contact.html

COMPUSERVE

Website: http://www.compuserve.com/content/cs_cust.asp?floc=mb
Phone: 1-800-848-8990

EUDORA

Website: http://www.eudora.com/techsupport/tutorials/
E-mail: eudora-custserv@eudora.com
Phone: 1-800-238-3672
Fax: 1-858-658-2100

HOTMAIL

Website: http://www.hotmail.com
E-mail: support@hotmail.com  
Trouble shooting outages with hotmail: 1-650-964-7200

MICROSOFT

Website: http://support.microsoft.com/directory/
Phone: 1-425-635-7222 (Windows 98/2000) 
Phone: 1-425-635-7000 (Windows 95)
Phone: 1-425-635-7123 (Internet Explorer)
Phone: 1-425-637-9308 (Microsoft Programs)

NETSCAPE

Website: http://help.netscape.com/faqs/download.html
E-mail: info@netscape.com
Phone: 1-650-937-2555
Mac Help: http://help.netscape.com/

YAHOO

Phone: 1-800-MY-YAHOO