THAMMASORN

DOS is a well known Thai brand of environmentally-friendly products, including septic tanks and water storage tanks. We have been producing and selling more than 300,000 tanks under DOS brand a year and our products have over 1,000 channels of distributions (through modern trading agencies, shops and dealers) throughout Thailand. We have also been launching marketing campaigns to meet the needs of consumers and we have also been repaying the society via several social contribution programs... Thammasorn Group Co., Ltd. had been established in 1991 by Mr.Dhiti Towiwat and engineer companion group including environmentalist. The main objective is to run business in order to help and resolve environment problem in Thailand. Initially, our company has run business in the field of water and water treatment. Both of government section and private company has relied on our company to be one of the successful in some projects under Total Water Mana- gement Concept and product trademark Since..

Also known as: DOS MALAYSIA, Thammasorn Group Co.,Ltd.