The World Trade Organization (WTO), headquartered in Lake Lemmon, Geneva, Switzerland, is mainly responsible for managing the world economy and trade order.

Headquartered in Lausanne, Switzerland, the International Olympic Committee (IOC) is mainly responsible for leading the International Olympic Games and deciding related matters.

The European Union (EU) is headquartered in Brussels, Belgium.

North Atlantic Treaty Organization, abbreviated as NATO, headquarters: Brussels, main role: regional defense.

The Organization of Petroleum Exporting Countries (OPEC), headquartered in Vienna, mainly deals with western oil companies and maintains oil revenue.