Every water company. Evidenced.

Energy and environment engineering group whose water and waste solutions division delivers industrial water treatment, ZLD systems and recycle plants across India and export markets.

German pump and pump-system maker for water management, building services and industry; a pioneer in high-efficiency smart pumps with major manufacturing across Europe, Asia and the Americas.

Heat transfer, separation and fluid-handling group whose water and waste portfolio includes decanter centrifuges for sludge dewatering, membrane systems and evaporation for ZLD.

Industrial water specialist known globally for zero liquid discharge, high-recovery desalination and water reuse for energy, semiconductor and heavy industry.

Environmental-water investor and operator focused on municipal wastewater treatment, reuse, and sponge-city and river-restoration projects across Chinese provinces.

Membrane-system integrator, specialty chemicals and O&M provider for municipal and industrial customers across North America, taken private in 2024.

Ultrafiltration specialist and one of China's best-known PVC-alloy hollow-fibre UF membrane makers, serving municipal drinking water, building water and point-of-use markets.

China's largest domestic reverse-osmosis membrane manufacturer, supplying RO and NF elements for household, industrial and municipal applications at home and abroad.

Materials group producing hollow-fibre membranes and water-treatment solutions alongside its industrial materials portfolio; active in Korean municipal membrane plants.