Cisco

Extreme — Extreme designs and markets three switch families -- Alpine, BlackDiamond, and Summit -- using custom semiconductor components to address network switching needs from desktops to network cores.

Juniper/Netscreen

NetD— NetDevices Services Gateways are next generation products.  Their Services Gateways unify multiple services into a single, highly available platform, while vastly improving manageability. Services include Routing, Firewall, Switching, VPN, IDS/IPS, VoIP, as well as hosting critical applications like DNS, Radius, Caching, and many other 3rd Party Applications.

Sun — Sun Microsystems is a leading maker of UNIX-based servers used to power corporate computer networks and Web sites.

Foundry — Foundry provides high-performance switches and routers (including Layer 2, Layer 3, and Layer 4-7 equipment) to build local-, metro-, and wide-area networks

F5 — F5's products include server appliances and IP application switches that are used to manage and route network traffic used for tasks such as load balancing, availability assurance, and security assessment.

Nortel

Network Appliance — Network Appliance is a leading vendor of network-attached storage (NAS) systems designed for medium-sized to large enterprises; its filers can also be deployed in Fibre Channel and IP-based storage area network (SAN) configurations.

HP/Compaq

EMC — A leading provider of RAID storage systems, Banks, manufacturers, Internet service providers, retailers, and government agencies use EMC's systems to store and retrieve massive amounts of data.

Qlogic — Qlogic designs switches, controllers, host bus adapters (HBAs), and management software designed for storage area networks (SANs).

Intel

Supermicro — Supermicro manufactures motherboards based on Intel architecture, plus complete server systems based on Itanium, Pentium, and Xeon microprocessors as well as chassis enclosures for rack-mounted servers.

Fortinet — Founded by Ken Xie, who also founded NetScreen Technologies, Fortinet develops and markets ASIC-accelerated security appliances that integrate antivirus, firewall, content filtering, VPN, intrusion prevention (IPS), antispam and traffic shaping to detect and eliminate the most damaging, content-based threats from e-mail and Web traffic, such as viruses, worms, intrusions, inappropriate Web content, and more — in real time.

Trapeze — Trapeze builds switching systems used in wireless computer networks.

Aruba — Aruba Wireless Networks designs equipment used to build wireless LANs. Its products include switches, access points, and related software.

Cyclades — Cyclades products allow for remote access, monitoring, and traffic analysis of corporate networks.  With over 8,000 customers and 85% of Fortune 100 companies utilizing their products.

and more...