Cisco

Networking Infrastructure · Cybersecurity · Collaboration Software · Observability

Cisco Systems supplies infrastructure and software used by enterprises, public institutions, service providers and cloud operators to connect, secure and monitor digital operations. Its portfolio spans switches, routers, wireless and data-center networking; security; Webex collaboration; computing; and observability offerings including Splunk, AppDynamics and ThousandEyes.

Cisco earns revenue from product sales—including hardware, software and subscription offerings—and from services such as technical support and professional services. In FY2026, networking was its largest product category; total revenue was US$63.325 billion, comprising US$48.295 billion from products and US$15.030 billion from services.