Cisco

Cisco Systems is a global networking and cybersecurity company founded in 1984 by Leonard Bosack and Sandy Lerner at Stanford University. The company's portfolio spans enterprise networking (routers, switches, Meraki), cybersecurity (Duo, Umbrella, Secure Access), observability (AppDynamics, ThousandEyes), Webex collaboration, and Splunk data platform.

Cisco serves governments and Fortune 500 enterprises globally. The company acquired Splunk for $28 billion in 2024 to strengthen its security and observability offerings.

Cisco is listed on NASDAQ (CSCO). Chuck Robbins has served as CEO since 2015. Cisco reports over $55 billion in annual revenue.