TeleCommunication Systems, Inc. engages in the development and application of wireless data communications technology in the United States and internationally. It focuses on text messaging and location-based services, including enhanced 9-1-1 (E9-1-1) for wireless carriers and voice over Internet protocol (VoIP) service providers, and secure satellite-based communication solutions for government customers. The company operates in two segments, Government and Commercial. The Government segment provides communication systems integration, information technology services, and software solutions to the U.S. Department of Defense and other government customers. It also owns and operates satellite teleport facilities; resells access to satellite airtime; and designs, furnishes, installs, and operates wireless and data network communication systems, including its SwiftLink deployable communication systems, which incorporate high speed, satellite, and Internet protocol technology used for security, defense, and law enforcement worldwide. The Commercial segment offers carrier software system products that enable wireless carriers to deliver short text messages, location information, Internet content, and other enhanced communication services to and from wireless phones. It also provides E9-1-1 services, commercial location-based services, and inter-carrier text message distribution services on a hosted, or service bureau basis. In addition, this segment offers Rand McNally Traffic, a wireless application on a subscription basis. As of December 31, 2008, the company provided hosted services under contracts with approximately 40 wireless carrier networks and VoIP service providers. It has strategic partnerships with Motorola and Alcatel-Lucent. The company was founded in 1987 and is headquartered in Annapolis, Maryland.