Membership in the credit union is voluntary and is open to all citizens bound by with joint work or residence, who wished to create a credit union to use its services and are willing to take on relevant commitments and responsibilities. Like any financial institution, credit unions have the financial resources. Activity of the credit union consists of organizing mutual financial assistance by meeting the needs of its members in the services of saving and obtaining loans. First Credit Union was savings unprofitable institution, or rather credit cooperative, providing services to its members. Typically new members of the credit union become citizens having suretyship or recommendations from their friends - members of the credit union. The relationship of shareholders with credit union are not client-based, they are co-operative, based on different principles and standards, in particular, on the principles of the law of obligations. Shareholders in corporate organizations are basic credit unions, besides the same union can be a shareholder of several corporate organizations. U.S. credit unions have another significant difference from the credit cooperatives of farmers: the first have major proportion of short-term loans, the second - long and mostly in real estate. Corporate alliances are intermediaries between credit unions and financial markets.