Certificadoras:

• BUREAU VERITAS CERTIFICATION

• DET NORSKE VERITAS

Associações e Normatizadoras:

• FLUID SEALING ASSOCIATION – FSA

• JAPANESE STANDARDS ASSOCIATION – JIS

• THE BRITISH STANDARDS INSTITUTION- BSI

• AMERICAN PETROLEUM INSTITUTE – API

• DEUTSCHES INSTITUT FÜR NORMUNG – DIN

• INTERNATIONAL ORGANIZATION FOR STANDARDIZATION – ISO

• ASSOCIAÇÃO BRASILEIRA DE NORMAS TECNICAS – ABNT