Alliant Credit Union is a member-owned financial cooperative headquartered in Chicago, Illinois. Alliant services employees, retirees, and members of qualifying organizations and their family members; any member of the Foster Care to Success; and individuals who live or work in a qualifying community and their family members. Founded in 1935, Alliant is the ninth largest credit union by asset size in the United States with $14 billion USD in assets, and serves more than 600,000 members nationwide.