Ipsilon Networks

Argon Networks

The company manufactures high-performance routing and switching hardware for internet service providers and telecommunications transport networks.

Sycamore Networks

This company manufactures optical networking equipment and software that enables telecommunications service providers to manage bandwidth and high-speed data traffic.

Amber Networks

Amber Networks develops carrier-class fault-tolerant routing platforms for telecommunications service providers to integrate voice and data traffic onto optical internet networks.

Copper Mountain Network

This company supplies digital subscriber line communications hardware and software to telecommunications service providers for high-speed data and voice delivery using existing copper infrastructure.

Acclaim Communications

This company develops semiconductor components and local area network switching products for high-speed digital communications equipment manufacturers.

Cascade Communications

This company develops wide area network switching products for public carriers and private network providers to integrate data, voice, and video traffic.

SiByte

This company develops high-performance, low-power microprocessors for networking and communications infrastructure equipment used by internet service providers and network device manufacturers.

Acme Packet

This company provides session border controllers and networking hardware to telecommunications service providers and large enterprises to enable secure internet protocol communications.