Cisco Systems, Inc. is an American multinational corporation that designs and sells consumer electronics, networking and communications technology and services. Headquartered in San Jose, California, Cisco has more than 65,000 employees and annual revenue of US$40.0 billion as of 2010 annual report. Cisco's current portfolio of products and services is focused upon three market segments – Enterprise and Service Provider, Small Business and the Home. The solutions for each market are segmented into Architectures, which form the basis for how Cisco approaches each market.

• Corporate market: Enterprise networking and Service Providers
• Borderless networks: for their range of routers, switches, wireless systems, security systems, WAN acceleration, energy and building management systems and media aware networks.
• Collaboration: IP video and phones, Tele Presence, Health Presence, Unified Communications, Call Center systems, Enterprise social networks and Mobile applications.
• Data center and Virtualization: Unified Computing, Unified Fabric, Data Centre Switching, Storage Networking and Cloud services.
• IP NGN (Next Generation Networks): High-end routing and switching for fixed and mobile service provider networks, broadcast video contribution/distribution, entitlement and content delivery systems.

Small businesses:

• Routers and switches (including those for networks of smart meters)[37]
• Security and surveillance: IP cameras, data and network security solutions, etc.[38]
• Voice and conferencing solutions: VOIP phones and gateway-systems, WebEx, video conferencing
• Wireless: WiFi Access points
• Network storage systems