S. Chandra Sekaran

Hindustan Dorr-Oliver Ltd. engages in the business of providing engineering and turnkey solutions, technology and engineering, procurement, and construction (EPC) installations in liquid solid separation applications in industry segments like mineral processing and beneficiation, pulp and paper processing, fertilizer and chemicals, and environmental management. It operates through the EPC and Trading segments. The Trading segment includes manufacturing and other activities. The company was founded in 1974 and is headquartered in Mumbai, India.

Part of GMM Pfaudler Ltd., HDO Technologies Ltd. provides engineering services and manufactures pressure vessels, heat exchangers, storage tanks & separation equipment. The company is based in Mumbai, India. The company was founded in 2006. HDO Technologies was acquired by GMM Pfaudler Ltd. from Hindustan Dorr-Oliver Ltd. on April 23, 2021 for $8.07 million.

Part of Hindustan Dorr-Oliver Ltd., HDO (UK) Ltd. functions as an investment holding British company. The company is based in Sheffield, UK.