HC2 Holdings, Inc. is a diversified holding company. The Company operates through eight segments: Construction, Marine Services, Energy, Telecommunications, Insurance, Life Sciences, Broadcasting and Other. Its subsidiaries include DBM Global Inc., which provides an integrated structural and steel construction services; Global Marine Group, a provider of engineering and underwater services on submarine cables; American Natural Energy Corp., a compressed natural gas fueling company; PTGi-International Carrier Services Inc., a provider of Internet-based protocol and time-division multiplexing access for the transport of long-distance voice minutes; Continental Insurance Group Ltd., a platform for its run-off long-term care and life and annuity business; Pansend Life Sciences, LLC, focused on supporting healthcare and biotechnology product development, and HC2 Broadcasting Holdings Inc., which is a strategic acquirer and operator of Over-The-Air broadcasting stations.