GPT Infraprojects Limited, the flagship company was renamed to reflect the core areas of operation of the company in the execution of civil and infrastructure projects, after the merger of Tantia Concrete Products Limited and GPT Infrastructures Private Limited. With this merger, the combined entity has stronger project execution capabilities, a healthy financial base, and enviable growth prospects in all its areas of operation. GPT Infraprojects operates primarily from two divisions – the Sleeper Division and the Infrastructure Division. The infrastructure division of the Company is involved in a wide variety of civil construction projects for infrastructure works such as railways, roads, airports, irrigation, and urban infrastructure. The Sleepers Division is involved in the manufacture of concrete sleepers and transfer of concrete sleeper technology for railways systems in India and abroad. The Company has received ISO 9001:2000 certification. The Panagarh unit of the Company is approved by Research, Design and Standards Organisation (RDSO), Ministry of Railways, India.