In 1908. the spread of credit unions has reached the United States. In 1935 President Roosevelt signed the state Charter on credit unions, which became a law. Cooperation between credit unions, how they would not have been named, took place always, from the moment when the movement moved outside one credit union. 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). Until the mid-XX century, credit unions in the United States had little assets that did not exceed, as a rule, 100 thousand dollars The main activities of credit unions, aimed at the organization of mutual aid and social support of citizens is not intended to profit. Taking a decision to join a credit union, citizens create an organization through which they participate in the shared savings by mutual crediting and joint (collective) use of personal savings. Important specifics of creating a credit union - an initiative order of organization: people do not receive any instructions, orders or regulations, the unification into a credit union occurs by their will and decision. Unlike banks credit unions limit their activities to a closed circle of people.