Corporate credit unions are united on a cooperative basis in the Central Credit Union (US Central Credit Union). Credit unions attract people in the first place by the opportunity to get cash loan (credit) - quickly and relatively inexpensively. Credit union promotes the effective conservation of personal funds of its members, giving them the loans from the funds of the credit union, as well as the sharing of savings in education, housing, health care and other programs of social support and social development of its members. First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. To reduce the risk of default on loans members of the credit union shall the joint guarantee. Shareholders in corporate organizations are basic credit unions, besides the same union can be a shareholder of several corporate organizations. Credit unions are financial institutions, financial cooperatives of citizens, and in this capacity they are above all associations of people, not unification of capitals, which is typical, for example, for public companies. The specifics of credit unions and, in some sense, their uniqueness lies in the fact that they work not for profit and do not appropriate profit. Corporate alliances are intermediaries between credit unions and financial markets.