PTGi Holding, Inc. (PTGi) is a communication service provider that offers voice, VOIP, broadband and data center services. The company’s services include residential, small and medium business, large enterprise and government services, and carrier solutions. PTGi provides residential services such as high-speed broadband, local home telephone, VoIP, calling, long distance and cellular services. Its small and medium business services include hosted PBX and SIP, ethernet connectivity, broadband DSL, infrastructure virtualization, managed services, cloud computing, disaster recovery, server co-location and web site hosting. The company offers large enterprise and government services such as data center, managed voice and data services and metropolitan high capacity fiber services. PTGi is headquartered in Herndon, Virginia, the US.