Alliant Credit Union is a state-chartered credit union based in Chicago, Illinois founded in 1935. Membership eligibility in Alliant Credit Union includes current or retired employees of partnering U.S. businesses and organizations and residents or workers in specific communities near the Corporate Headquarters in Chicago. Alliant Credit Union offers consumer checking and savings accounts, certificates of deposit, individual retirement accounts, health savings accounts, credit cards, consumer loans, mortgages, trusts, retirement, investment and insurance services.