A Regional Bell Operating Company (RBOC) was a corporate entity created as result of the antitrust lawsuit by the U.S. Department of Justice against the American Telephone and Telegraph Company (AT&T) in 1974 and settled in the Modification of Final Judgment on January 8, 1982.
BellSouth, LLC was an American telecommunications holding 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 & Telegraph Company to divest itself of its regional telephone companies on January 1, 1984.
Alltel was a landline, wireless and general telecommunications services provider, primarily based in the United States. Before its wireless division was acquired by Verizon Wireless and AT&T, Alltel provided cellular service to 34 states and had approximately 13 million subscribers. As a regulatory condition of the acquisition by Verizon, a small portion of Alltel was spun off and continued to operate under the same name in six states, mostly in rural areas. Following the merger, Alltel remained the ninth largest wireless telecommunications company in the United States, with approximately 800,000 customers. On January 22, 2013, AT&T announced they were acquiring what remained of Alltel from Atlantic Tele-Network for $780 million in cash.
Nevada Power Company (NPC) was a Las Vegas-based company that produced, distributed, and sold electricity in the southern part of the state of Nevada. In 2005, it had over 700,000 electric customers in parts of three Nevada counties — a service area of more than 4,000 square miles (10,000 km2). In 1998, Nevada Power merged with Nevada's other major utility, Sierra Pacific Resources. It continued as a subsidiary of Sierra Pacific until 2005, when the company changed its name to NV Energy.
Sprint Corporation was an American telecommunications company. Before being acquired by T-Mobile US on April 1, 2020, it was the fourth-largest mobile network operator in the United States, serving 54.3 million customers as of June 30, 2019. The company also offered wireless voice, messaging, and broadband services through its various subsidiaries under the Boost Mobile and Open Mobile brands and wholesale access to its wireless networks to mobile virtual network operators.
Embarq Corporation was the largest independent local exchange carrier in the United States, serving customers in 18 states and providing local, long-distance, high-speed data and wireless services to residential and business customers. It had been formerly the local telephone division (LTD) of Sprint Nextel until 2006, when it was spun off as an independent company. Embarq produced more than $6 billion in revenues annually, and had approximately 18,000 employees. It was based in Overland Park, Kansas.
Dex One Corporation was an American marketing company providing online, mobile and print search marketing via their DexKnows.com website, print yellow pages directories and pay-per-click ad networks in the U.S.
Centel Corporation was an American telecommunications company, with primary interests in providing basic telephone service, cellular phone service and cable television service.
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 was a member of the Fortune 500 and the S&P 500 index from 1999 until 2023. Its communications services include local and long-distance voice, broadband, Multi-Protocol Label Switching (MPLS), private line, Ethernet, hosting, data integration, video, network, public access, Voice over Internet Protocol (VoIP), information technology, and other ancillary services. Lumen also serves global enterprise customers across North America, Latin America, EMEA, and Asia Pacific.
Brightspeed of Missouri, LLC is a telephone operating company owned by Brightspeed that provides local telephone service in Missouri. The cities served by the company include Branson and Columbia.
Embarq Missouri, Inc. was a telephone operating company providing local telephone services in Kansas and Missouri owned by BrightSpeed.
CenturyLink of Florida, Inc. is a telephone operating company providing local telephone services in Florida owned by Lumen Technologies.
Brightspeed of Eastern Kansas, Inc. is one of several Brightspeed companies providing local telephone service in Kansas. Kansas towns that Brightspeed of Eastern Kansas serves include Sterling, Lebo, Gardner, and Nortonville.
Central Telephone Company of Virginia is a telephone company owned by CenturyLink that provides a local telephone service within the commonwealth of Virginia, USA.
Brightspeed of Kansas, Inc., formerly United Telephone Company of Kansas, is one of several Brightspeed subsidiaries providing local telephone service in Kansas. Kansas towns that Brightspeed of Kansas serves include Junction City, Burlington, Hillsboro, Sterling and Garnett.
Brightspeed of Northcentral Ohio, Inc., is a telephone operating company owned by Brightspeed that provides local telephone service in Ohio, including Amherst, Lorain, and Vermillion.
Spectra Communications Group, LLC is a U.S. telephone operating company owned by CenturyLink that provides local telephone service in Missouri.
Brightspeed of Texas, Inc. is a telephone operating company owned by Connect Holding that provides local telephone and internet service in Texas. The company serves communities in Texas such as Killeen, Copperas Cove, Athens, Gatesville, Harker Heights, Humble, Hutto, Kingwood, Porter, San Marcos, Stephenville, and Tyler.
