HC2 Holdings, Inc. provides construction, marine services, energy, telecommunications, insurance, life sciences, broadcasting, and other services in the United States, the United Kingdom, and internationally. The company models, details, fabricates, and erects structural steel for commercial and industrial, and infrastructure construction projects, including building and office complexes, hotels and casinos, convention centers, sports arenas and stadiums, shopping malls, hospitals, dams, bridges, mines, and power plants. It also fabricates trusses and girders; and fabricates and erects water pipes, water storage tanks, pollution control scrubbers, tunnel liners, pressure vessels, strainers, filters, separators, and various customized products. In addition, the company offers subsea cable installation and maintenance services for the telecommunications sector; installation, maintenance, and repair services for fiber optic communication and power infrastructure to offshore oil and gas platforms; and installation services for inter-array power cables for use in offshore wind farms. Further, it distributes natural gas motor fuels; designs, builds, owns, acquires, operates, and maintains compressed natural gas fueling stations for transportation vehicles; and provides voice communication services for national telecommunications, mobile, prepaid, and voice over Internet protocol service operators, as well as wholesale carriers and Internet service providers. Additionally, the company offers long-term care, life, annuity, and other accident and health coverage; focuses on developing products for early osteoarthritis of the knee, as well as skin lightening technology; and operates over-the-air broadcasting stations and Azteca America, a Spanish-language broadcast network. The company was formerly known as PTGi Holding Inc. and changed its name to HC2 Holdings, Inc. in April 2014. HC2 Holdings, Inc. was founded in 1994 and is headquartered in New York, New York.