Cisco - Company Overview - Cisco's own corporate information page, with financials, product listings, and acquisitions information. - http://newsroom.cisco.com/dlls/company_overview.html
TechWeb - Cisco company profile. - http://www.techweb.com/wire/finance/quotes/profile?symbol=CSCO
Hoover's Company Capsule - Cisco - Providing information, including a corporate description, financial information, key officers, competitors. - http://www.hoovers.com/co/capsule/4/0,2163,13494,00.html