Enviro Infra Engineers Ltd. engages in the business of designing, construction, operation and maintenance of water and wastewater treatment plants (WWTPs) and water supply scheme projects (WSSPs) for government authorities. The WWTPs include sewage treatment plants, sewerage schemes, and common effluent treatment plants while WSSPs include water treatment plants along with pumping stations and laying of pipelines for supply of water. The company was founded by R. K. Jain on June 19, 2009 and is headquartered in New Delhi, India.