DAEA TI Co., Ltd. engages in the development and provision of railway signal control systems. It operates through the following business divisions: Railway Signaling System, Railway Signals Engineering and Supervision, Modeling and Simulation, PMR System, Large Display Panel (LDP) System, Optical Transport Network (OTN) and Interior. The Railway Signaling System business includes centralized traffic center, communication-based train control, automatic train control, European rail traffic management system and European train control system. The Railway Signals Engineering and Supervision business provides the design and supervision services, which include planning, designing, constructing, operating, maintaining, consulting and supporting activities. The Modeling and Simulation business division consists of training facilities as well as train simulators. The PMR System business distributes terrestrial trunked radios. The LDP System business provides display products. The OTN business handles information transaction processing. The Interior business designs and constructs railroad traffic centers. The Railroad Vehicle involves in remodelling, designing and consulting railway vehicles. It was founded on September 12, 1995 and is headquartered in Bucheon-si, South Korea.