1st MidAmerica Credit Union is a not-for-profit financial cooperative headquartered in Bethalto, Illinois, founded in 1934 as the Western Cartridge Company Employees Credit Union. It serves over 63,000 members across 10 branches in Illinois and Missouri, offering mortgages, auto loans, checking accounts, and investment services. The credit union is the 14th largest in Illinois and operates under an Illinois state charter.

Advia Credit Union is a state-chartered, federally insured credit union headquartered in Kalamazoo, Michigan, serving over 200,000 members across Michigan, Wisconsin, and Illinois. With 28 full-service branches and access to over 35,000 CO-OP and Alliance One fee-free ATMs, it offers checking, savings, auto loans, mortgages, and digital banking services. The institution ranks in the top 3% of credit unions nationally by financial soundness and asset size, with over $2 billion in assets.

Alliant Credit Union is a federally chartered credit union headquartered in Chicago, Illinois. It is one of the largest credit unions in the United States by assets and membership. Alliant operates as an online-focused institution serving members nationwide with competitive rates on savings and lending products.

American Airlines Federal Credit Union is a credit union headquartered in Fort Worth, Texas, primarily serving employees and members of the airline industry. The institution operates as a federally chartered credit union with a focus on providing financial services to American Airlines employees and eligible family members.

Ascentra Credit Union is a federally chartered credit union headquartered in Bettendorf, Iowa, serving members across multiple states. The institution provides a full range of financial services including deposit accounts, lending, and investment products to its membership base.

Baxter Credit Union is a financial institution located in Vernon Hills, Illinois, serving members in the Chicago metropolitan area. The credit union provides traditional banking services including savings accounts, loans, and other financial products to its membership base.

Citizens Equity First Credit Union is a federally chartered credit union based in Peoria, Illinois. It serves members in the central Illinois region with a focus on providing financial services to its membership base. The institution operates as a member-owned cooperative financial institution.

Connexus Credit Union is a financial institution headquartered in Wausau, Wisconsin. It serves members across Wisconsin and surrounding regions. The credit union provides traditional banking services including savings accounts, loans, and other financial products to its membership base.

Corporate America Family Credit Union is a federally chartered credit union located in Elgin, Illinois. It serves members in the Chicago metropolitan area and surrounding regions. The credit union provides standard financial services including savings accounts, loans, and other member-focused products.

Covantage Credit Union is a federally chartered credit union headquartered in Antigo, Wisconsin, serving members across Wisconsin and surrounding regions. The institution provides traditional banking services including savings, checking, loans, and other financial products to its membership base.