If I may suggest, depending ...
Published by Yoshimi Yoshida, Environmental Consultant at Yoshimi Yoshida Environmental Nutrition Consulting Service
If I may suggest, depending on what your focus is going to be, it is wise to look not just "water" alone company, but organizations that offer integrated grid service as energy demand issues are going to be on the table at any case - when dealing with water/water pumping - Integrated grid / smart grid organizations need to be in your scope. Also financing companies that help such grid and energy - water service become seamless.