Stratum One Communications

Stratum One Communications

Cisco Systems is a computer networking company founded in 1984. Each acquisition is for the respective company in its entirety, unless otherwise specified. The acquisition date listed is the date of the agreement between Cisco Systems and the subject of the acquisition. The value of each acquisition is listed in US dollars because Cisco Systems is headquartered in California, United States. If the value of an acquisition is not listed, then it is undisclosed.

Cisco did not acquire a company for the first seven years of its existence, but on September 24, 1993, Cisco acquired Crescendo Communications, a LAN switching company. Since then, acquisitions have constituted 50% of the company. The company's largest acquisition as of April 2008 is the purchase of Scientific-Atlanta, a manufacturer of cable television, telecommunications, and broadband equipment, for US$6.9 billion. The majority of companies acquired by Cisco are based in the United States. A total of 149 companies have been acquired as of March 2011. Most of the acquired companies are related to computer networking, including several LAN switching and Voice over Internet Protocol companies.