Concord Enviro Systems Limited engages in the design, manufacture, installation, operation, and maintenance of industrial water and wastewater treatment, and reuse and zero liquid discharge systems and plants. It offers effluent treatment plants, anaerobic digestors, membrane bio-reactors, and sewage treatment plants; and membrane-based systems, such as ultra-filtration, nano-filtration, reverse osmosis, and desalination systems, as well as waste heat evaporators. The company also provides consumables and spare parts, including membranes, plants chemicals, and consumables; and compressed biogas plants installation services. It serves customers in pharmaceuticals, chemicals, food and beverage, leachate, textiles, defense, agrochemicals and fertilizers, oil and gas, tannery, and power industries, as well as government agencies in Asia, North Africa, Latin America, and Europe. The company was founded in 1992 and is based in Mumbai, India.