HC2 Holdings Inc, formerly PTGi Holding, Inc. is a holding company of operating subsidiaries primarily in the United States and the United Kingdom. The Company is an international wholesale service provider to fixed and mobile network operators across the world. HC2 owns and operates its global network of next-generation IP soft switches and media gateways. The Company has five reportable operating segments based on management�s organization of the enterprise such as, telecommunications which includes (International Carrier Services) ICS, life Sciences which includes Genovel Orthopedics, Inc. (Genovel) involved with the development of products to treat osteoarthritis of the knee, manufacturing which includes Schuff, marine Services which includes GMSL, and Utilities which includes ANG. The Company�s subsidiaries include Schuff International Inc., Global Marine Systems Limited, PTGi International Carrier Services, Inc., ANG Holding, Inc., and Genovel Orthopedics, Inc.