Business Overview
Businesses Overview
TTW Public Company Limited (TTW) operates the production and distribution of tap water
to the Provincial Waterworks Authority (PWA) in the vicinity of West Bangkok, covering the areas of two provinces, namely, Nakhon Pathom Province in three districts, i.e., Amphoe Nakhon Chai Si, Amphoe Sam Phran, and Amphoe Phutthamonthon, and Samut Sakhon Province in two districts, i.e., Amphoe Krathumbaen and Amphoe Mueang Samut Sakhon.

Nakhon Pathom Province
Pathum Thani Province
Chonburi Province
Samut Sakhon Province
Phra Nakhon Si Ayutthaya Province
Rayong Province
TTW has executed the Water Purchase Agreement with the Provincial Waterworks Authority (PWA) for a period of 30 years on a Build-Own-Operate (BOO) basis
and TTW was granted a concession for the tap water business operation to use water from the Tha Chin River for producing tap water by the Ministry of Natural Resources and Environment. TTW also invested in subsidiaries companies related to tap water management business for PWA, including the provision of services for the management of tap water production and wastewater treatment in Industrial Estate, together with holding shares in common stocks of Holding Company that operates the business of production and distribution of electricity from various kinds of energy both domestically and internationally.



