MSSHQ
https://msshq.org/
https://maps.app.goo.gl/yzEwVpQmRsSFgNMAA
The Manufacturers Standardization Society (MSS) of the Valve and Fittings Industry develops and maintains technical standards for valves, pipe fittings, and related components. As a leading industry authority, MSS promotes safety, reliability, and interoperability through consensus-based standards used worldwide by manufacturers, engineers, and regulators in piping systems.