Telecommunications companies

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

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

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.

Charter Communications is a broadband connectivity company and cable operator that offers its services to consumers and businesses under the branding of Spectrum.

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.

Tesco is a grocery and general merchandise retailer providing retail banking and insurance services.

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

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

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