TOKYO - Japan's trading houses see water as their next big investment target as industrialization and rapid urbanization in emerging economies boost demand for clean water.
Following are the world's top-5 water service companies.
1. Veolia Environnement SA (France) 139
2. Suez SA (France) 120
3. RWE AG (Germany) 38
4. Aguas Barcelonas (Spain) 30
5. United Utilities Plc (UK) 24
* No. of customers for drinking water services in millions
Source: Marubeni Corp
(Reporting by Yuko Inoue, Editing by Ian Geoghegan)