Thai Tap Water Supply
 Thai Tap Water Supply Public Company Limited (TTW) is tap water producer and distributor in Nakhon Pathom and Samut Sakorn area for the Provincial Waterworks Authority (PWA) to replace the tap water production from the PWA's groundwater wells and to increase the tap water production volume to sufficiently accommodate the consumers's demand so as to help alleviate the land subsidence problems and saltwater penetration in accordance with the government's policy. Pathum Thani Water Co. Ltd.