Iridium Communications Inc. provides mobile voice and data communications services through satellite to businesses, the U.S. and foreign governments, non-governmental organizations, and consumers worldwide. It offers postpaid mobile voice and data satellite communications services; prepaid mobile voice satellite communications services; broadband data services; push-to-talk services; and machine-to-machine services for sending and receiving data from fixed and mobile assets in remote locations to a central monitoring station. The company also provides other services, such as inbound connections from the public switched telephone network, short message services, subscriber identity module, activation, customer reactivation, and other peripheral services. In addition, it offers voice and data solutions, including personnel tracking devices; asset tracking devices for equipment, vehicles, and aircraft; aircraft and submarine communications applications; specialized communications solutions for high-value individuals; mobile communications and data devices for the military and intelligence community, such as secure satellite handsets, as well as offers netted voice, messaging, and paging services; and maintenance services for the department of defense's dedicated gateway. Further, the company provides satellite handsets, personal connectivity devices, voice and data modems, broadband data devices, and machine-to-machine data devices; various accessories for its devices that include batteries, holsters, earbud headphones, portable auxiliary antennas, antenna adaptors, USB data cables, charging units, and others; and engineering and support services. The company sells its products and services to commercial end users through wholesale distribution network, service providers, and value-added resellers and manufacturers. As of December 31, 2016, it had approximately 850,000 billable subscribers. The company was founded in 2000 and is headquartered in McLean, Virginia.