Historically, credit unions were preceded by widespread development of credit cooperation in many countries of Europe and America. Credit unions encourage savings of citizens, setting compensation payments (interest) on savings and provide from these savings loans to their members. Among the U.S. credit unions, there are three groups that differ in terms of assets, shareholders, and business services. Since the early 80's started the process of consolidation of credit unions, leading to a decrease in their number with a simultaneous increase in the total number of members. Credit unions encourage the proper use of shareholders savings, developing social programs (education, health, recreation, housing, etc.). Credit Union - one of the most attractive financial institutions for the public being a non-profit alternative to banks. A potential new member of a credit union must submit a recommendation of shareholders in which the referee becomes a warrant of a future member of the credit union.