| INSTITUTIONS AND ORGANIZATIONS | |
| for standardization | |
| AFNOR | Association
Francaise de Normalisation (French Association of Standardization) |
| ANSI | American National Standards Institute |
| API | American Petroleum Institute |
| ASME | American Society of Mechanical Engineers |
| ASNT | American Society for Non-Destructive Testing |
| ASTM | American Society for Testing and Materials |
| AWS | American Welding Society |
| BSI | British Standards Institution |
| CEIR | Commision Europeenne de
l'Industrie de Rubinetterie |
| CEN | Commission Europeenne
de Normalisation (European Commitee for Standardization) |
| DIN | Deutsches
Institut für Normung (German Institute of Standardization and Certification) |
| ISA | Instrumentation, System and Automation Society |
| ISO | International Organization for Standardization |
| JIS | Japanese Industrial Standards |
| JSA | Japanese Standard Association |
| MSS | Manufacturers Standardization Society of the Valve and Fittings Industry |
| NACE | National Association of Corrosion Engineers |
| UNI | Ente Nazionale
Italiano diUnificazione (Italian Institute of Standardization) |