DGP Windsor Ltd, is engaged in manufacture of plastic processing machinery from three manufacturing facility located at Thane(Maharashtra), Vatva (Gujarat) and Chhatral(Gujarat).

The company was formally created and deployed as a legal entity as Windsor Engineering in May 1963 and the name was changed to R H Windsor in 1964. The name was again changed to Klockner Windsor in 1986 and then to the present name i.e. DGP Windsor India in 1994. The company broadened its footprint operations into into technical and commercial collaborations with R H Windsor, UK. In 1982, Klockner Werke, Germany, assumed full control of the collaborator company. In 1994, the Piramal group took control of the concern.

The company manufactures quality products and is a leading manufacturer of plastic processing machinery injection moulding machines, extrusion lines and blow moulding machines. Its injection moulding division of the company tied up with a Japanese company to manufacture state-of-the-art injection moulding machines and its blow moulding division is tieing up with a German company for its blow moulding machines. Its extrusion machinery division also has technology tie-ups with Kuhne, Germany for film plants and with Wavin Rollepaal, Netherlands, for pipe and tube extrusion plants.

The machinery manufactured by the company is used to manufacture plastic bottles, kerosene containers, plastic sheets, films, tapes, PVC pipes, woven sacks, shoes and also in the automobile industry.

During 1997-98, Digimicro 200 machines with better hydraulic and electronic features and Polypropylene Thermoforming machine were introduced during the year. The company has formally introduced new products in Injection and Extrusion machinery which is expected to contribute significantly to the business.