This is a list of international trade organizations, the largest being the World Trade Organization.
List of trade organizations
Name Symbol No. of members HeadquartersWorld Trade Organization164Geneva, SwitzerlandEuropean Union27Brussels, BelgiumOrganisation of Petroleum exporting countries (OPEC)14Vienna, Austria South Asian Association for Regional Co-operation (SAARC)8Kathmandu, NepalAssociation of South East Asian Nations (ASEAN)10 Jakarta, IndonesiaAsia-Pacific Economic Cooperation (APEC)21SingaporeBRICS (Brazil, Russia, India, China and South Africa)5Shanghai, China