China Telecommunications Corporation, known as its trading name China Telecom, is a Chinese state-owned telecommunication company. It is the largest fixed-line service and the third largest mobile telecommunication provider in China. It has three listed companies: China Telecom Corporation Limited, China Communications Services Corporation Limited and Besttone Holding Co., Ltd..
O2 (typeset as O2) is a global brand name owned by the Spanish telecommunications company Telefónica. The company uses the O2 brand for its subsidiaries in the United Kingdom and Germany. Since 2018, it is also used as an online-only flanker brand in Spain.
Cable & Wireless plc was a British telecommunications company. In the mid-1980s, it became the first company in the UK to offer an alternative telephone service to British Telecom. The company later offered cable TV to its customers, but it sold its cable assets to NTL in 2000. It remained a significant player in the UK telecoms market and in certain overseas markets, especially in the former British colonies of the Caribbean, where it was formerly the monopoly incumbent. It was also the main supplier of communication in the British South Atlantic, including Saint Helena and the Falkland Islands. It was listed on the London Stock Exchange and was a constituent of the FTSE 100 Index.
TIM S.p.A. is an Italian telecommunications company with headquarters in Rome, Milan, and Naples, which provides fixed telephony and DSL data services.
ADC Telecommunications was a communications company located in Eden Prairie, Minnesota, a southwest suburb of Minneapolis. It was acquired by TE Connectivity in December 2010 and ceased to exist as a separate entity. It vacated its Eden Prairie location in May 2011 and moved staff and resources to other locations. ADC products were sold by CommScope after it acquired the Broadband Network Solutions business unit from TE Connectivity in August 2015.
SK Group is a South Korean multinational manufacturing and services conglomerate headquartered in Seoul. A chaebol, SK Group is second largest such conglomerate by revenue in South Korea, after Samsung Group. Through a number of subsidiaries, it is engaged in various businesses, including manufacture of chemicals and petrochemicals, semiconductors, flash memory and miscellaneous information technology, as well providing telecommunications services worldwide among its other less notable ventures.
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.
Alascom, Inc., doing business as AT&T Alaska, is an Alaskan telecommunications company; specifically, an interexchange carrier (IXC). AT&T Alascom is currently a wholly owned subsidiary of AT&T Inc. AT&T Alascom, previously known as Alascom and many other names, was the first long-distance telephone company in Alaska. AT&T Alascom has extensive telecommunications infrastructure in Alaska, including three satellites, undersea and terrestrial cables containing optical fiber, and numerous earth stations.
Allstream is a business communications provider based in Mississauga, Ontario, Canada, that provides Internet Protocol (IP) connectivity, managed IP services, unified communications and voice services to its customers in the United States and Canada.
Innovate Corp. is an American public financial services company founded in 1994.
Ciena Corporation is an American networking systems and software company based in Hanover, Maryland. The company has been described by The Baltimore Sun as the "world's biggest player in optical connectivity". The company reported revenues of $3.63 billion for 2022. Ciena had over 8,000 employees, as of October 2022. Gary Smith serves as president and chief executive officer (CEO).
Spirent Communications plc is a British multinational telecommunications testing company headquartered in Crawley, West Sussex, in the United Kingdom. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.
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.
Electric Lightwave, was originally formed in 1988, by John Warta, John Rivenburgh, Earl Kamsky and Richard Furnival. The company was formed to compete with US West and GTE in the Pacific Northwest. Portland General Electric was an initial investor, then Citizens Utilities became the largest investor in 1990. ELI became the first company to compete locally in Oregon, Washington, Idaho, Utah, and one of the first in California and Arizona.
Sure, a trading brand of Batelco, is a telecommunications company in the Isle of Man, Jersey, Guernsey, the Falkland Islands, St. Helena, Ascension Island, and the British Indian Ocean Territory. Sure is the largest tri-island mobile operator across the Channel Islands and Isle of Man.
Primus Telecommunications Pty Ltd. is an Australian telecommunications company and wholly owned subsidiary of Vocus Communications that primarily focuses on fixed, mobile, and broadband services.
Greg Green is a Spokane-area based businessman and entrepreneur who got his start in the technology industry in the mid-1980s. He is the founder of Tel-West.
Vega Telecom Inc. is a Filipino telecommunications company jointly owned by Globe Telecom and PLDT. It was established as a holding company of San Miguel Corporation for its various telecommunications investments. In separate statements on May 30, 2016, Globe Telecom and PLDT each acquired half of Vega Telecom from San Miguel Corporation for P69.1 billion. The acquisition entailed P52.08 billion for 100% equity interest in Vega Telecom and the assumption of around P17.02 billion of liabilities. The deal was closed in May 30, 2017.
Zayo Group Holdings, Inc., or Zayo Group, is a privately held company headquartered in Boulder, Colorado, U.S. with European headquarters in London, England. The company provides communications infrastructure services, including fiber and bandwidth connectivity, colocation and cloud infrastructure. Zayo's primary customer segments include wireless carriers, national carriers, ISPs, enterprises and government agencies. Zayo Group was built largely through acquisitions; it took over thirty companies from 2007 to 2014, including AboveNet and 360networks. The company completed an initial public offering of stock raising $600 million in 2014. In 2020, Zayo Group was taken private by global investment firms EQT Partners and Digital Colony Partners in a deal valued at $14.3 billion.
Birch Communications was an American provider of IP-based communications, network broadband, cloud computing, and information technology services to small, mid-sized, enterprise and wholesale business customers in the United States, Canada and Puerto Rico. It was acquired by Fusion Connect in 2018 and integrated into the company. Founded in 1996 in the wake of the 1996 Telecommunications Act, several years later the company began acquiring other telecom companies in an effort to increase its network size and service offerings. Birch Communications raised $77.5 million in funding in 2011, and $110 million in funding in 2012 after it financed a new $90 million facility.
