Cerent

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.

Cadant

The company supplies high-speed networking products and cable modem termination systems to telecommunications carriers for providing internet and multimedia services to mass markets.

Celero Communications

This company develops coherent digital signal processors for optical connectivity to support artificial intelligence infrastructure for data centre operators and cloud providers.

Infinera

This company manufactures optical networking equipment and semiconductors for telecommunications service providers, internet content providers, and enterprise network operators.

Cascade Communications

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

Sedona Systems

This company develops network automation software for communication service providers to manage multi-vendor IP and optical transport layers through a single platform.

Ipsilon Networks

This company develops internet protocol switching hardware and software to provide high-speed routing services for telecommunications and data network operators.