ABNT - Associação Brasileira de Normas Técnicas

ABEMI - Associação Brasileira de Montagem Industrial

AMN - Asociación Mercosur de Normalizaciión

ANSI - American National Standards Institute

API - American Petroleum Institute

ASME - American Society of Mechanical Engineers

ASTM International

CEN - Comité Européen de Normalisation

IPT - Instituto de Pesquisas Tecnológicas

ISA - Instrument Society of America

ISO - International Organization for Standardization

MSS - Manufactures Standardization Society

NEMA - National Electrical Manufacturers Association

IEEE - Institute of Electrical and Eletronic Engineers

ANS - American Nuclear Society

NFPA - National Fire Protection Association

IEC - Internation Electrotechnical Commision