I. H. Mississippi Valley Credit Union is a federally chartered credit union located in Moline, Illinois, serving members in the Illinois-Iowa region. The institution operates as a community-based financial cooperative providing deposit and lending services to its membership.

Harvard Community Credit Union is a federally chartered credit union serving the Harvard, Illinois area. The institution provides financial services to members in and around McHenry County. It operates as a community-based financial cooperative.

Great Lakes Credit Union is a federally chartered credit union located in Bannockburn, Illinois, serving members in the Chicago metropolitan area and surrounding regions. The institution provides traditional banking services including savings accounts, loans, and other financial products to its membership base.

Empeople Credit Union is a federally chartered credit union serving the Moline, Illinois area and surrounding communities. The institution provides financial services including savings, checking, loans, and other member-focused products. It operates as a community-based credit union with a focus on serving local members.

DuPage County Employees Credit Union is a federally chartered credit union headquartered in Wheaton, Illinois, serving employees of DuPage County government and related organizations. The credit union provides financial services including savings, checking, and lending products to its membership base.

SIU Credit Union is a federally chartered credit union serving Southern Illinois University and the Carbondale, Illinois community. It provides financial services including savings accounts, loans, and other banking products to its membership. The credit union is located in Carbondale and operates as a member-owned financial cooperative.

Selfreliance FCU is a federally chartered credit union based in Chicago, Illinois, serving members primarily from Ukrainian and Eastern European communities. The institution focuses on providing financial services to individuals with ties to these communities and their families. It operates as a community-based credit union with a long history of serving its membership base in the Chicago area.

Vibrant Credit Union is a federally chartered credit union based in Moline, Illinois, serving members in the Quad Cities region and surrounding areas. The institution provides standard credit union services including savings accounts, loans, and financial products to its membership base.

University of Illinois Community Credit Union is a federally chartered credit union serving the Champaign, Illinois area with a primary focus on the University of Illinois community and surrounding region. The credit union provides financial services including savings accounts, loans, and other banking products to eligible members.

State Farm Federal Credit Union is headquartered in Bloomington, Illinois and serves employees of State Farm Insurance and their families. It is one of the largest credit unions in the United States by assets. The credit union offers a full range of financial services including savings accounts, loans, and investment products.