Enviro Infra Engineers Limited, founded in 2009, is engaged in designing, constructing, operating, and maintaining Water and Waste-Water Treatment Plants (WWTPs) and Water Supply Projects (WSSPs) for government agencies across India. The company builds STPs, CETPs, Sewerage Schemes, WTPs, pumping stations, and pipelines, mainly through EPC and HAM tender-based projects floated by state governments and Urban Local Bodies. With an in-house team of 180 engineers, supported by external experts, Enviro Infra Engineers has completed 28 WWTP and WSSP projects in the last seven years, including 22 major projects of 10 MLD or above, as of June 30, 2024.