Windsor Machines Ltd. engages in the manufacture and sale of injection moulding, pipe extrusion, and blown films machineries. It operates through the Extrusion Machinery and Injection Moulding Machinery segment. The Extrusion Machinery segment includes pipe extrusion and blown film lines. The Injection Moulding Machinery segment comprises of toggle injection moulding and hydro-mechanical injection moulding machines. The company was founded on May 4, 1963 and is headquartered in Ahmedabad, India.