Corporate credit unions are united on a cooperative basis in the Central Credit Union (US Central Credit Union). The economic basis of credit unions - finances of a household. The main objective of the credit union - to ensure financial stability of a household, to ensure the priority of their shareholders' financial interests. Credit unions of the open type are still controlled by their members, but at the same time provide services to people who are not its members (external customers). The main activities of credit unions, aimed at the organization of mutual aid and social support of citizens is not intended to profit. Shareholders in corporate organizations are basic credit unions, besides the same union can be a shareholder of several corporate organizations. Credit union as a consumer cooperative operates on the principles of equality of all its members. Today, the World Council of Credit Unions is represented as members four regional confederations and twelve national associations.