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,

The Carlyle Group Inc. is a multinational private equity, alternative asset management and financial services corporation based in the United States with $376 billion of assets under management. It specializes in private equity, real assets, and private credit. It is one of the largest mega-funds in the world. In 2015, Carlyle was the world's largest private equity firm by capital raised over the previous five years, according to the PEI 300 index. In the 2023 ranking however, it had slipped to fifth place.