Communications companies of the United States

Airimba Wireless is a Richardson, Texas based company that provides high-speed wireless Internet services in the southern United States. A product of two companies, Clear Sky Networks and Wi-Fi Texas, and assembled by venture capital firms, Airimba offers service in various North Carolina cities, as well as in and Clemson, South Carolina, Austin, Texas, Gainesville, Florida, and Athens, Georgia. ...more on Wikipedia about "Airimba Wireless"

Ameritech (American Information Technologies) is a U.S. telecommunications company that arose out of the 1984 AT&T divestiture. Ameritech was one of seven RBOCs, or Regional Bell Operating Companies divested. ...more on Wikipedia about "Ameritech"

AT&T Inc. , based in San Antonio, Texas, is the largest provider of both local and long distance telephone services and wireless service (through its Cingular joint venture with BellSouth) in the United States. The modern company was formed by SBC Communications' purchase of its former parent company, AT&T Corp., in 2005. As a part of the merger, SBC shed its name and took on the iconic AT&T moniker (originally American Telephone and Telegraph) and the famed T stock-trading symbol (for "Telephone"). ...more on Wikipedia about "AT&T"

AT&T Alascom is an Alaskan telecommunications company; specifically, an interexchange carrier (IXC). AT&T Alascom is currently a wholly-owned subsidiary of AT&T. 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 fiber-optic cable, and numerous earth stations. ...more on Wikipedia about "AT&T Alascom"

AT&T Computer Systems is the generic name for AT&T's unsuccesful attempt to compete in the computer business. In return for divesting the local Bell Operating Companies ( Baby Bells), AT&T was allowed to have an unregulated division to sell computer hardware and software. ...more on Wikipedia about "AT&T Computer Systems"

Automatic Electric Company was a telephone equipment supplier for independent phone companies similar in many ways to the Bell System's Western Electric. ...more on Wikipedia about "Automatic Electric Company"

Avaya Inc. designs, builds and manages communications networks for more than one million businesses worldwide, including more than 90 percent of the FORTUNE 500®. Avaya specializes in business telecommunication solutions, including VoIP, Contact Center and Mobile voice and data technology. ...more on Wikipedia about "Avaya"

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The Bell Telephone Company of Pennsylvania, or Bell of Pennsylvania, is the former name of the Bell Operating Company serving Pennsylvania. In 1984, the Bell System Divestiture split Bell of Pennsylvania off into a Regional Holding Company, along with the 20 other BOCs AT&T had a majority stake in. On January 1, 1984, Bell of Pennsylvania became part of Bell Atlantic. ...more on Wikipedia about "Bell of Pennsylvania"

BellSouth Corporation is a U.S. telecommunications company based in Atlanta, Georgia. BellSouth was one of the seven original Regional Bell Operating Companies after the U.S. Department of Justice forced the American Telephone and Telegraph Company to divest itself of its regional telephone companies on January 1, 1984. It is also the only " Baby Bell" or Regional Bell Operating Company ( Cincinnati Bell was an independent Bell System franchise) that still uses the Bell symbol in its logo. ...more on Wikipedia about "BellSouth"

Bright House Networks is a cable company owned by Advance/Newhouse, a private company headquarted in Syracuse, New York. This cable service currently serves cable in Indianapolis, Orlando, Tampa Bay, Birmingham, west suburban Detroit and Bakersfield. Most of its business is concentrated in Central Florida, where Bright House is the dominant cable system in the Tampa Bay and Orlando TV markets. ...more on Wikipedia about "Bright House Networks"

C&P Telephone was a d/b/a name for four of AT&T's, and after January 1, 1984, Bell Atlantic's Bell Operating Companies. ...more on Wikipedia about "C&P Telephone"

Cellular South is the largest privately held wireless provider in the United States and is licensed to provide wireless service to a total population of more than five million people on its network, which includes the Memphis Metropolitan Area, throughout all of Mississippi, along Coastal Alabama and the Florida Panhandle through Destin/Seaside. ...more on Wikipedia about "Cellular South"

Choice One Communications is a Rochester, New York-based CLEC providing Telecommunications services to commercial entities. The company was founded in 1998 as an "alternative to the incumbent local phone carriers". As of 2005 the company operates in 12 states and 29 markets and claims over 100,000 customers. Mostly in the NE and upper mid-west, the company provides a variety of simple-to-complex local, long distance and internet services. They are known for a promotion called .Free, which provides free high-speed Internet service to small businesses. ...more on Wikipedia about "Choice One Communications"

Cincinnati Bell is the dominant telephone company for Cincinnati, Ohio and its nearby suburbs in Ohio, Indiana and Kentucky. The parent company is named Cincinnati Bell Inc. The ILEC (original phone company) subsidiary uses the name Cincinnati Bell Telephone, and other subsidiaries handle services such as payphones, long distance ( IXC operations), and mobile phone (cellular) services. ...more on Wikipedia about "Cincinnati Bell" Must see www.shortopedia.com

Crown Castle International Corp. is an American corporation which provides infrastructure for broadcasting and mobile telephony. It operates in the United States, Puerto Rico and Australia. It provides mobile telephone coverage to 92% of the Australian population and 68 of the top 100 markets in the US on behalf of service providers such as 3, AT&T Wireless, Cingular, mmO2, Nextel, Orange, Sprint PCS, T-Mobile, Verizon, and Vodafone. It is based in Houston, Texas. ...more on Wikipedia about "Crown Castle"

Frontier Telephone is a telephone company that provides service to a fair portion of Rochester NY, New York and surrounding areas, mainly the 585 NPA and 974 LATA. They are owned by Citizen Communications, and are not connected to Bell or AT&T. They were formerly known as Rochester Tel, and often telephone equipment in the Rochester area still bears that name. Recently, Frontier has begun providing DSL internet access, to compete with Time Warner Cable's Road Runner broadband. Frontier also provides VoiceMail and other business services. They have a calling card service, which can be accessed at 800-TEN-CARD . ...more on Wikipedia about "Frontier Telephone"

Global Crossing Ltd. is a major telecommunications company that provides computer networking services worldwide. It maintains a large backbone and offers transit and peering links, VPN and VoIP, mainly to large enterprise customers and other carriers as it is a tier 1 carrier. The company is legally domiciled in Bermuda for tax purposes, although its administrative headquarters are in New Jersey. ...more on Wikipedia about "Global Crossing"

Hawaiian Telcom is the incumbent local exchange carrier (ILEC) or dominant local telephone company, serving the state of Hawaii. It was formed in 2005 by The Carlyle Group, following its purchase of the Hawaii assets of Verizon Communications (known as "Verizon Hawaii, and previously GTE Hawaiian Tel, Hawaiian Telephone Company"). ...more on Wikipedia about "Hawaiian Telcom"

Their headquarters are at 225 West Randolph St., Chicago, IL. After the 1984 Bell System Divestiture, Illinois Bell became a part of Ameritech, one of the 7 original Regional Bell Operating Companies. The Illinois Bell name continued to be used until January 1993, when Ameritech dropped all of their individual Bell Operating Company names in favor of using their corporate name, Ameritech, for marketing purposes. In 2002, SBC dropped the Ameritech name in favor of "SBC" as a national brand. Illinois Bell, for regulatory business, is known as Illinois Bell Telephone Company d/b/a SBC Illinois. ...more on Wikipedia about "Illinois Bell"

Indiana Bell Telephone Company, Inc. is the Bell Operating Company serving Indiana. After the 1984 Bell System Divestiture, Indiana Bell became a part of Ameritech, one of the 7 original Regional Bell Operating Companies. The Indiana Bell name continued to be used until January 1993, when they dropped all of their individual Bell Operating Company names in favor of using their corporate name, Ameritech, for marketing purposes. In 2002, 3 years after Ameritech was acquired by SBC Communications, SBC rebranded all of its companies "SBC" for use as a national brand. Indiana Bell still exists as Indiana Bell Telephone Company, Inc. d/b/a SBC Indiana. ...more on Wikipedia about "Indiana Bell"

IP Unity is a VoIP based enhanced carrier grade products and services company. Major products include Mereon 6000 Media Server hardware and application software products Unified Messaging and Conferencing products. ...more on Wikipedia about "IP Unity"

MCI, Inc. is a former American telecommunications company that was headquartered in Ashburn, Virginia. The corporation was the result of the merger of WorldCom (formerly known as LDDS) and MCI Communications, and used the name MCI WorldCom followed by WorldCom before taking its final name on April 14, 2003 as part of the corporation's emergence from bankruptcy. The company formerly traded on NASDAQ under the symbols "WCOM" (pre-bankruptcy) and "MCIP" (post-bankruptcy). ...more on Wikipedia about "MCI"

Michigan Bell was one of the 22 Local Exchange Carriers that were part of the AT&T Bell System. In 1984 it became a part of Ameritech and by the early 90's the Michigan Bell name was phased out in favor of Ameritech. As its name suggests, it provided local telephone service to most of Michigan. ...more on Wikipedia about "Michigan Bell"

New Jersey Bell is the former d/b/a name of the New Jersey Bell Telephone Company, a Bell Operating Company serving the U.S. state of New Jersey. In 1984, the Bell System Divestiture split New Jersey Bell off into a RBOC, along with the 21 other BOCs AT&T had a majority stake in. On January 1, 1984, New Jersey Bell became part of Bell Atlantic. ...more on Wikipedia about "New Jersey Bell"

Ntelos is a telecommunications company based in Waynesboro, Virginia. Ntelos is a provider of PCS telephone services to customers in the mid-Atlantic region, as well as a provider of local telephone service and Internet access. ...more on Wikipedia about "Ntelos"

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