ABNT Associaçao Brasileira de Normas Técnicas

ANSI American National Standards Institute

API American Petroleum Institute

ASTM American Society for Testing and Materials

AWWA American Water Works Association

CEN European Comittee for Standardization

DIN Deutsches Institut für Normung

DODSSP - Department of Defense Single Stock Point for Mil Specs and Standards

IAPMO International Association of Plumbing and Mechanical Officials

IECC International Electrotechnical Commission

ISO International Organization for Standardization

JSA Japanese Standards Association

KSA Korean Standards Association

MSS Manufacturers Standardization Society

ON Österreichische Normungsinstitut

SAI Standards Australia International

UL Underwriters Laboratories