MSS - Manufacturers Standardization Society of the Valve and Fittings Industry

MSS is a non-profit technical association organized for the development and improvement of industry, national, and international codes and standards related to the valve and fittings industry. The primary purpose of MSS - Manufacturers Standardization Society of the Valve and Fittings Industry - is to provide its members the means to develop engineering standard practices for the use and benefit of the industry and users of its products.