Telecommunications companies

T-Mobile USA is a company that provides wireless and telecom solutions.

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

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

KT is a provider of telecommunication and convergence services.

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

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

Nielsen Holdings is an information, data, and market measurement company.

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

Frontier Communications Parent (formerly known as Frontier Communications Corporation) is a company that provides telecommunications services.

Turkcell Iletisim Hizmetleri is a provider of mobile telecommunication services for consumer, corporate, and wholesale customers.

Liberty Global is a cable company providing video, broadband internet, fixed-line telephony, mobile, and other communications services to residential customers and businesses.

Crown Castle is a provider of shared communications infrastructure.