Iridium Communications Inc., a publicly owned American company headquartered in McLean, Virginia, United States, was founded in 2000. With approximately 940 employees, the company reported $871.7M in revenue as of 2025. It operates the Iridium satellite constellation, a system comprising 80 satellites, with 66 active and 14 functioning as in-orbit spares. These satellites are utilized for worldwide voice and data communication from handheld satellite phones, satellite messenger communication devices, and integrated transceivers, as well as for two-way satellite messaging services from supported conventional mobile phones. The nearly polar orbit and communication between satellites via inter-satellite links ensure global service availability.