Alliant Credit Union is a member-owned financial cooperative headquartered in Chicago, Illinois. It was founded in 1935 and has grown to become one of the largest credit unions in the United States. Alliant Credit Union offers a range of financial products and services, including checking and savings accounts, credit cards, mortgages, and personal loans. The credit union is committed to providing its members with competitive rates, low fees, and exceptional customer service. Alliant Credit Union has over 500,000 members and manages more than $13 billion in assets.