SG Water USA, located in Nashua, NH, is a High Purity Water Treatment Company providing Sales, Service and Distribution in the "Americas" for our parent company, SG Water Treatment & Regeneration, headquartered in Barsbuttel, Germany. SG Water has been manufacturing products for the purification of Water for over 25 years. As specialists in Pure Water, we serve the biotechnology, pharmaceutical, medical, semi-conductor and industrial/power markets.