PTGi Holding, Inc.
PTGi Holding, Inc. provides integrated telecommunications services. It is an integrated facilities-based communications services provider offering a portfolio of international and domestic voice, wireless, Internet, and Voice over Internet Protocol services to customers located primarily in Canada and the U.S. It owns and operates its own global network of next-generation IP soft switches and media gateways. The company also provides residential and business services through its subsidiaries. PTGi Holding was founded in 1994 and is headquartered in Herndon, VA.