Mobile & Telecommunications companies

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

T-Mobile USA provides wireless solutions.

Verizon Communications (formerly Bell Atlantic) is a company providing communications, information, and entertainment products and services.

Cisco is a global company that designs and sells a broad range of technologies across networking, security, collaboration, applications, and the cloud.

Sprint is a company providing wireless and wireline communications products and services for consumers, businesses, government subscribers, and resellers.

Dish Network is a satellite service provider that offers satellite television, audio programming, and interactive television services.

PLDT (formerly known as Philippine Long Distance Telephone) is a telecommunications and digital services provider.

Level 3 Parent (formerly Level 3 Communications) is an international communications company developing IP transit networks.

Juniper Networks is a company that designs, develops, and sells networking products and services.

CommScope is a provider of connectivity solutions for communication networks.

SK Telecom is a company that specializes in the areas of mobile communications, media, security, commerce, and mobility.

RingCentral is a provider of cloud computing based phone systems to help small businesses manage mobile, fax, and email communications.