1959 - Incorporated under the name Sharples Process Engineers(P) Ltd. with 100% shareholding of Sharples Corporation,USA.

1970 - Public Limited Company under the name Pennwalt India Limited with 49% shareholding of Pennwalt Corporation,USA.

1974 - Collaboration agreement with Sharples Stokes Div., Pennwalt Corporation,USA for the manufacture of Super-D-Canter Centrifuge in India.

1978 - Production of Super-D-Canter commenced at its modern manufacturing facility at Navi Mumbai(New Bombay)

1979 - Established R&D Facility recognised by the Department of Science and Technology,Government of India. Applications development is carried out to adapt Pennwalt products to the needs and demands of the Indian Chemical Industry. Also, process development is carried out to enable Pennwalt offer turn-key process plants centered around Company's separational equipment.

1985 - Entered into an arrangement with Feld & Hahn,Gmbh,Germany for the design and commissioning of Semi-Continuous Fat Splitting Plant,in India.

1987 - Collaboration agreement with Wallace & Tiernan Division, Pennwalt Corporation, USA, for the manufacture, installation and commisioning of Chlorinators and related equipment for water treatment and allied applications.Collaboration with M/S Bredel, Netherlands for the manufacture of Hose Pumps in India and for their supply and commissioning when imported from the Netherlands.

1988 - Fabrication, supply, installation and commissioning of Fatty Acid Distillation and Glycerine Distillation Plants in India, based upon the principle of the "Falling Film",under license from M/S Schmidding-Werke, Cologne, Germany.Imported and absorbed the technology of fabricating and applying anti-corrosive fluoropolymer(PVDF, ECTFE)lining on M.S.Chemical Process equipment. Now supported with technical assistance and supply of semi-finished products by M/S Alois Gruber, Austria.

1990 - Pennwalt Corporation disinvested its 49% shareholding in Pennwalt India Limited.