MCI, Inc. was a telecommunications company. For a time, it was the second-largest long-distance telephone company in the United States, after AT&T. WorldCom grew largely by acquiring other telecommunications companies, including MCI Communications in 1998, and filed for bankruptcy in 2002 after an accounting scandal, in which several executives, including CEO Bernard Ebbers, were convicted of a scheme to inflate the company's assets. In January 2006, the company, by then renamed MCI, was acquired by Verizon Communications and was later integrated into Verizon Business.
Global Crossing Limited, was a telecommunications company that provided computer networking services and operated a tier 1 carrier. It maintained a large backbone network and offered peering, virtual private networks, leased lines, audio and video conferencing, long-distance telephone, managed services, dialup, colocation centres and VoIP. Its customer base ranged from individuals to large enterprises and other carriers, with emphasis on higher-margin layered services such as managed services and VoIP with leased lines. Its core network delivered services to more than 700 cities in more than 70 countries.
MCI Communications Corporation was a telecommunications company headquartered in Washington, D.C. that was at one point the second-largest long-distance provider in the United States.
John Werner Kluge was a German-American entrepreneur who became a television industry mogul in the United States. At one time he was the richest person in the U.S.
UUNET, founded in 1987, was one of the first and largest commercial Internet service providers and one of the early Tier 1 networks. It was based in Northern Virginia. Today, UUNET is an internal brand of Verizon Business.
NorthPoint Communications Group, Inc. was a competitive local exchange carrier focused on data transmission via digital subscriber lines. The company had relationships with Microsoft, Tandy Corporation, Intel, Verio, Cable & Wireless, Frontier Corporation, Concentric Network, ICG Communications, Enron, Network Plus, and Netopia. The company had investments from The Carlyle Group, Accel Partners, Benchmark, and Greylock Partners.
Metromedia was an American media company that owned radio and television stations in the United States from 1956 to 1986 and controlled Orion Pictures from 1988 to 1997. Metromedia was established in 1956 after the DuMont Television Network ceased operations and its owned-and-operated stations were spun off into a separate company. Metromedia sold its television stations to News Corporation in 1985, and spun off its radio stations into a separate company in 1986. Metromedia then acquired ownership stakes in various film studios, including controlling ownership in Orion. In 1997, Metromedia closed down and sold its media assets to Metro-Goldwyn-Mayer.
Charter Communications, Inc., is an American telecommunications and mass media company with services branded as Spectrum. With over 32 million customers in 41 states, it is the largest cable operator in the United States by subscribers, just ahead of Comcast, and the largest pay TV operator ahead of Comcast and AT&T. Charter is the fifth-largest telephone provider based on number of residential lines.
Hawaiian Telcom, Inc., is the incumbent local exchange carrier (ILEC) or dominant local telephone company, serving the state of Hawaii. In 2005, Hawaiian Telcom Holdco, Inc., was formed by The Carlyle Group, following its purchase of the Hawaiian Telcom Inc. assets of Verizon Communications. On July 2, 2018, Cincinnati Bell purchased Hawaiian Telcom Holdco, Inc. for $650 Million,
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 and more than 8,000 employees, as of October 2022. Gary Smith serves as president and chief executive officer (CEO).
Northwest Fiber, LLC, doing business as Ziply Fiber, is an American telecommunications company based in Kirkland, Washington. Ziply is a subsidiary of WaveDivision Capital, a private investment company, which is also Kirkland-based. The company started operations on May 1, 2020, when it completed its acquisition of Frontier Communications Northwest operations and assets for $1.4 billion; Frontier sold its Northwest operations after filing for bankruptcy protection in April 2020. Ziply Fiber's footprint covers the Pacific Northwest region, specifically the states of Washington, Oregon, Idaho and Montana. Its key offerings include fiber internet and phone for residential customers, Business Fiber Internet, and Ziply Voice services for small businesses; and a variety of internet, networking and voice solutions for enterprise customers. The company will also continue to support DSL and grandfathered TV customers. Ziply has stated that it plans on investing $500 million to improve its network and service throughout its footprint. This includes the goal of bringing fiber to nearly 85% of its network, which mainly encompasses rural communities. As of June 2020, approximately 30% have access to fiber.
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.
FairPoint Communications, Inc. was an American operator of communication services. FairPoint's services include local and long-distance phone service, data, Internet, broadband, television, business communications solutions and fiber services. Headquartered in Charlotte, North Carolina, it served 31 markets in 17 states, mostly in rural areas. FairPoint, along with Frontier Communications, had been at the forefront of acquiring Verizon landline operations.
Verizon Communications Inc., commonly known as Verizon, is an American multinational telecommunications conglomerate based at 1095 Avenue of the Americas in Midtown Manhattan, New York City. Verizon's capital stock is a component of the Dow Jones Industrial Average. It is the world's second-largest telecommunications company by revenue.
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 is a member of the Fortune 500 and has been on the S&P 600 index since being removed from the S&P 500 in March 2023.
360networks, Inc. was a Canadian-based wholesale telecommunications carrier. The company developed many long-haul fiber optic communications network routes throughout North America, many along railroad rights of way, consisting of both dark fiber and lit fiber. These long-haul routes included Chicago to New Orleans, Chicago to Denver, Chicago to Detroit, Chicago to New York, Seattle to Los Angeles, and Denver to San Francisco. In 2011, the company was acquired by Zayo Group.
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.
Viatel Inc., founded in the United States in 1991, was a Nasdaq-quoted technology company which operated fiber optic networks in several countries, including in the United Kingdom during the mid-1990s. Viatel Technology Group, a Dublin-based technology company focused primarily on the Irish market, was founded from some of the elements of Viatel Inc. following acquisition by Digiweb in 2013.
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 AB and Digital Colony Partners in a deal valued at $14.3 billion.
$472 million (2011)
