Our members play an integral role in supporting the production of products essential to improving the quality of life of the public and protecting the planet. VMA full member companies manufacture high quality, trusted, valves, actuators, and controls; and our associate members distribute and service these products. Founded in 1938, the Valve Manufacturers Association of America is the only North American trade association that represents the interests of manufacturers, suppliers and distributors of valves, actuators, and controls.