Established in 1956, DEMA is a family owned business which designs and manufactures high-quality dispensing and fluid control products. Based in St. Louis, Missouri USA, DEMA also has manufacturing and warehouse facilities in Zeewolde, Netherlands and Sydney, Australia and a Representative Office in Shanghai, China.

DEMA has been a leading supplier of chemical dispensing equipment and solenoid valves for over 45 years. Our chemical dispensing products are used to safely and accuray blend chemicals and water for a variety of applications, including housekeeping, food service, food processing, dishwash, laundry and car wash. DEMA’s range of solenoid valves are used in many industries, including car wash, beverage and chemical dispensing, agriculture, misting, reverse osmosis and high pressure cleaning machines