Windoors International Limited has been manufacturing doors since the mid-1960s. Its fire-rated range covers metal, wooden and glazed fire doors, fire exit doors, and fire and electric shaft doors, designed to compartmentalise buildings and contain the spread of fire. It also makes acoustic and commercial doors, cleanroom systems, and prefabricated buildings and portable cabins, and it runs a factory at Kasane near Bhiwandi. It is licensed by the Directorate of Maharashtra Fire Services as a passive protection agency (licence 2025/P-72).