Brand New Bottle Water Purification Company.
However, this is when you are selling at the price of Ksh 10. There are instances where you can make much more. For example, if you sell your water at 20sh you double that amount. The secret is to find a suitable location where there is a good population of potential clients.
NOTE: This is just for dispenser water. You can also bottle your brand & supply it to nearby Shops to make extra money.