Iridium Communications Inc. provides mobile voice and data communications services through satellites 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; machine-to-machine services for sending and receiving data from fixed and mobile assets in remote locations to a central monitoring station; and other services, including inbound connections from the public switched telephone networks, short message services, subscriber identity module, activation, customer reactivation, and other peripheral services. The company also provides voice and data solutions comprising 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 voice, data, messaging, and paging services; and maintenance services for the department of defense's dedicated gateway. In addition, it provides satellite handsets, Wi-Fi accessories, voice and data modems, broadband data devices, and machine-to-machine data devices; and various accessories for its devices that include batteries, holsters, earbud headphones, portable auxiliary antennas, antenna adaptors, USB data cables, and charging units, as well as offers engineering and support services. The company sells its products and services to commercial end-users through service providers, value-added resellers, and value-added manufacturers. As of December 31, 2012, it had approximately 611,000 billable subscribers. The company was founded in 2000 and is headquartered in McLean, Virginia.