Corporate credit unions are united on a cooperative basis in the Central Credit Union (US Central Credit Union). In recent decades, many credit unions began to resort to such form of service as Credit union services are available only to its shareholders. Credit unions are competitors of savings institutions, adding interest on deposits of members. This applies to the shares, as well as to additional funds transferred to the account in the credit union. The main activities of credit unions, aimed at the organization of mutual aid and social support of citizens is not intended to profit. Credit unions base their activities on savings of shareholders, their shares and savings contributions, which make up the fund of mutual financial assistance - a source of cash loans to shareholders. Credit Union - one of the most attractive financial institutions for the public being a non-profit alternative to banks. Worldwide credit union movement is represented by regional confederations and national organizations within the World Council of Credit Unions. Corporate alliances are intermediaries between credit unions and financial markets.