GPT Infraprojects 

GPT Infraprojects Limited, through its subsidiaries, is actively involved in executing a broad spectrum of civil engineering and infrastructure projects, operating both domestically in India and internationally. The company's business activities are structured into two distinct segments: Infrastructure and Concrete Sleepers. The Infrastructure division undertakes the construction and refurbishment of critical assets, encompassing transportation networks such as roads, bridges, flyovers, highways, and airports. It also develops and maintains irrigation and railway systems, as well as power, urban transit, and industrial infrastructure, including civil aviation facilities, railway sidings, merry-go-round railways, industrial parks, and factories. The Concrete Sleepers segment focuses on manufacturing and supplying monoblock and pre-stressed concrete sleepers. These sleepers are utilized in various track applications, including broad, cape, and dual gauges, in addition to line sleepers, bridge deck sleepers, and components for level crossings and switch expansion joints. The company, founded in 1980, maintains its corporate headquarters in Kolkata, India.