Intrado, Inc. provides emergency-telephony solutions that manage and deliver information for telecommunications providers in the United States. It supports 9-1-1 emergency response infrastructure for wireline, wireless, and voice over Internet protocol networks by offering integrated data and telecommunications solutions. The company also manages the data that enables 9-1-1 emergency calls to be routed to the appropriate public safety agency with information about the caller’s identification, callback number, and location. It provides wireless E9-1-1 Phase I, Phase II, and hosted position determination entity services to wireless carriers. In addition, the company licenses its software to carriers to manage the delivery of emergency data management services. The company manages approximately 104 million wireline subscriber data records, as well as supports 130 million wireline records under customer management with its licensed software. Its customers include incumbent local exchange carriers; competitive local exchange carriers; voice over Internet protocol providers; interexchange carriers; wireless service providers; and various state, local, and federal government agencies. The company was co-founded by George Heinrichs and Stephen M. Meer in 1979. It was formerly known as Systems Concepts of Colorado, Inc. and changed its name to SCC Communications Corp. in 1993. Further, the company changed its name to Intrado, Inc. in 2001. Intrado is headquartered in Longmont, Colorado. As of April 4, 2006, Intrado Inc. is a subsidiary of West Corp.