The Nippon Telegraph and Telephone Corporation (NTT) is a Japanese telecommunications holding company headquartered in Tokyo, Japan. Ranked 55th in Fortune Global 500, NTT is the fourth largest telecommunications company in the world in terms of revenue, as well as the third largest publicly traded company in Japan after Toyota and Sony, as of June 2022. In 2023, the company was ranked 56th in the Forbes Global 2000.
Bell Canada is a Canadian telecommunications company headquartered at 1 Carrefour Alexander-Graham-Bell in the borough of Verdun, Quebec, in Canada. It is an ILEC in the provinces of Ontario and Quebec; as such, it was a founding member of the Stentor Alliance. It is also a CLEC for enterprise customers in the western provinces.
BCE Inc., an abbreviation of its former name Bell Canada Enterprises Inc., is a publicly traded Canadian holding company for Bell Canada, which includes telecommunications providers and various mass media assets under its subsidiary Bell Media Inc. Founded through a corporate reorganization in 1983, when Bell Canada, Northern Telecom, and other related companies all became subsidiaries of Bell Canada Enterprises Inc., it is one of Canada's largest corporations. The company is headquartered at 1 Carrefour Alexander-Graham-Bell in the Verdun borough of Montreal, Quebec, Canada.
SK Telecom Co., Ltd., abbreviated as SKT is a South Korean wireless telecommunications operator and former film distributor and is part of the SK Group, one of the country's largest chaebols. It leads the local market with 50.5 percent share as of 2008. SK Telecom is the largest wireless carrier in South Korea, with 27.019 million subscribers as of Q4 2017.
WESCO International, Inc. is an American publicly traded Fortune 500 holding company for Wesco Distribution, a multinational electrical distribution and services company based in Pittsburgh, Pennsylvania.
Globe Telecom, Inc., commonly shortened as Globe, is a major provider of telecommunications services in the Philippines. The company operates the largest mobile network in the Philippines and one of the largest fixed-line and broadband networks. As of November 2023, Globe has 54.7 million subscribers, making it the second largest network in terms of subscriber base.
United States Cellular Corporation is an American mobile network operator. Its stock is publicly traded, but Telephone and Data Systems Inc. owns a controlling stake. The company was formed in 1983 and is headquartered in Chicago, Illinois. UScellular is the fifth-largest wireless carrier in the United States, with 4,656,000 subscribers in 426 markets in 21 states as of the 2nd quarter of 2023.
PLDT, Inc., formerly known as the Philippine Long Distance Telephone Company, is a Philippine telecommunications, internet and digital service company.
Consolidated Communications Holdings, Inc., doing business as Consolidated Communications, is an American broadband and business communications provider headquartered in Mattoon, Illinois. The company provides data, internet, voice, managed and hosted, cloud and IT services to business customers, and internet, TV, phone, and home security services to residential customers. With 36,000 fiber route miles, it is a top ten fiber provider in the U.S., serving customers in 23 states.
Bayan Telecommunications Inc. (BayanTel) is a telecommunications company headquartered in Quezon City, Philippines serving areas in Metro Manila, Bicol and local exchange service areas in the Visayas and Mindanao regions combined, cover a population of over 25 million, nearly 33% of the population of the Philippines. BayanTel now operates as a subsidiary of Globe Telecom.
Millicom International Cellular SA is a Luxembourgish fixed line and mobile telecommunications services provider operating in Latin America operating under the Tigo brand. Its main shareholder is Xavier Niel, a French billionaire who owns 29.14% of the company.
Frontier Communications Parent, Inc. is an American telecommunications company. Known as Citizens Utilities Company until 2000, Citizens Communications Company until 2008, and Frontier Communications Corporation until 2020, as a communications provider with a fiber-optic network and cloud-based services, Frontier offers broadband internet, digital television, and computer technical support to residential and business customers in 25 states. In some areas it also offers home phone services.
Windstream Holdings, Inc., also doing business as Windstream Communications or Windstream, is a provider of voice and data network communications, and managed services, to businesses in the United States. The company also offers residential broadband, phone and digital streaming TV services to consumers within its coverage area. It is the ninth largest residential telephone provider in the country with service covering more than 8.1 million people in 21 states.
Chunghwa Telecom Company, Ltd. is the largest integrated telecom service provider in Taiwan, and the incumbent local exchange carrier of PSTN, Mobile, and broadband services in the country.
Lumen Technologies, Inc. is an American telecommunications company headquartered in Monroe, Louisiana, that offers communications, network services, security, cloud solutions, voice, and managed services. The company has been on the S&P 600 index since being removed from the S&P 500 in March 2023.
Powertel Inc. was a mobile network operator headquartered in West Point, Georgia, United States that provided analog cellular and digital PCS mobile communications services in the Southeastern United States. Powertel traces its roots to the May 1989 incorporation in Georgia of Interstate Cellular, Inc., a wholly owned subsidiary of ITC Holding Company, Inc. Interstate Cellular was formed to acquire cellular telephone licenses and construct and operate cellular telephone systems.
Gilat Satellite Networks Ltd. is an Israeli public company. Gilat is a global leading provider of satellite-based broadband communications technology, its main expertise being the development, manufacture, and marketing of ground-based satellite systems for global communication on satellites.
GTT Communications, Inc. (GTT), formerly Global Telecom and Technology, is a multinational telecommunications company and managed network and security service provider headquartered in Arlington, Virginia. GTT operates a Tier 1 IP network and provides Internet; wide area networking, SD-WAN; network security, managed services; and voice and video transport services.
TDS Telecom is an American telecommunications company with headquarters in Madison, Wisconsin. It is a wholly owned subsidiary of Telephone and Data Systems Inc, and is the seventh-largest local exchange carrier in the U.S. TDS Telecom offers telephone, broadband Internet and television services to customers in 30 states and more than 900 rural and suburban communities, though it also serves some urban metropolitan communities. It also sells businesses communications services, including VoIP phone service, dedicated broadband Internet and hosted-managed services. With headquarters in Madison, TDS Telecom operates TDS Broadband LLC, and BendBroadband, and TDS Metrocom, LLC. Combined, the company employs nearly 3,300 people. In 2019, TDS Telecom and parent company TDS Inc. celebrated 50 years in business.
G3 Telecom is a telecommunications company based in Toronto. Established in 1999, it is a facilities-based telecommunications reseller registered with the Canadian Radio-television and Telecommunications Commission and U.S. Federal Communications Commission and serves customers in both countries with over 3 million calls processed monthly. It offers long distance, Voice over IP (VoIP) home phone, and an alternative international roaming service which is being offered under the sub-brand G3 Wireless. G3 Telecom is registered with the Better Business Bureau where it currently maintains an A+ rating.
$5.104 billion USD (2016) [1]