GPT Infraprojects Ltd is an infrastructure company engaged in the manufacturing of concrete sleepers and allied. It also fabricates steel bridges. The segments that it operates include Concrete Sleepers and Allied, which consists of the manufacturing of concrete sleepers, a supply of plant and machinery and components for the manufacturing of concrete sleepers, and Infrastructure, which consists of the execution of construction contracts and other infrastructure activities. It manufactures a range of monoblock and pre-stressed concrete (PSC) sleepers for varied track applications, such as Line sleepers, Bridge deck sleepers, and level crossing and switches expansion joint and Others. It can offer a range of solutions for road and railway infrastructure. It primarily operates in India.