GPT Infraprojects Limited is an India-based company, which is engaged in construction activities for infrastructure projects. It specializes in turnkey construction projects for railway bridges, riverine bridges on deep-pile or pile foundations, heavy-duty concrete pavements for airports and elevated metro, and light rail systems. Its segments include Infrastructure and Concrete Sleeper. The Infrastructure segment consists of the execution of construction contracts and other infrastructure activities. The Concrete Sleepers segment consists of manufacturing concrete sleepers. Its concrete sleeper operations are spread across four countries, namely India, South Africa, Namibia, and Ghana. It is engaged in the construction of private railway sidings for power and steel plants, industrial infrastructure, high-voltage sub-stations, water pumping stations, and critical foundations for power transmission.