Hydroair Tectonics (PCD) Ltd established in 1986, is a pioneer in the field of environmental engineering and marine intake and outfall systems. The company provides total pollution control solutions to several industries like dairies, sugar mills, distilleries, textile mills, and breweries. Hydroair is specialized in executing projects right from concept to commissioning on turnkey basis. Hydroair has executed over 150 environmental engineering projects for various industrial sectors.

Chairman & Managing Director, Mr. H. B. Singh, a highly qualified and internationally renowned technocrat with over 30 years of experience in the field. Guided by him a team of well qualified and highly experienced engineers and associated staff members steer the company’s projects. Mr H.B. Singh has done M.Tech from IIT Kanpur with Advanced Course from EPA, U.S.A

Director, Mrs. R. K. Singh, is a P. G. in Mathematics with 20 years experience in teaching Mathematics at IIT, Powai, Mumbai. She steers the company's Finance and Administrative Divisions