Mobile & telecommunications companies

AT&T

AT&T is a provider of telecommunications, media, entertainment and technology services for consumers, content creators, distributors, and advertisers.

Twilio

Twilio is a company that provides a cloud communications platform helping developers build, scale, and operate real-time communications within software applications.

Nokia

Nokia Corporation is a company engaged in network and technology business.

Verizon

Verizon Communications (formerly Bell Atlantic) is a broadband and telecommunications company operating 4G LTE network, 3G network, and information services.

T-Mobile USA

T-Mobile USA provides wireless solutions.

Charter Communications

Charter Communications is a television, internet and voice company.

Rogers Communications

Rogers Communications is a communications and media company engaged in wireless voice and data communications services.

Juniper Networks

Juniper Networks designs, develops and sells networking products and services.

Windstream

Windstream Communications provides voice and data network communications, and managed services to businesses in the United States.

Polycom

Polycom is a multinational corporation that develops video, voice and content collaboration and communication technology.

F5 Networks

F5 Networks develops, markets, and sells application delivery networking products.

Harmonic

Harmonic Inc. is a technology company that develops and markets video routing, server, and storage products for companies that produce, process, and distribute video content for television and the Internet.