Intelsat, Ltd. is a communications satellite services provider.
Originally formed as International Telecommunications Satellite Organization (INTELSAT), it was—from 1964 to 2001—an intergovernmental consortium owning and managing a constellation of communications satellites providing international broadcast services.
As of March 2011, Intelsat operates a fleet of 52 communications satellites, which is the world's largest fleet of commercial satellites.
Read more about Intelsat: History, Current Operation, Renaming, In-space Refueling Demonstration Project, Launch Vehicle