Credit Union One is a federally chartered credit union headquartered in Ferndale, Michigan, serving members across Michigan and surrounding regions. The institution provides traditional banking services including savings accounts, loans, and financial products to its membership base.

DFCU Financial is a credit union headquartered in Dearborn, Michigan, serving the Detroit metropolitan area and surrounding regions. The institution operates as a full-service financial cooperative offering deposit, lending, and investment services to its membership.

Lake Michigan Credit Union is a federally insured state-chartered credit union headquartered in Caledonia, Michigan, chartered in 1933. With approximately $16.9 billion in assets and over 530,000 members, it operates 39 branches across Michigan and is the largest credit union in West Michigan. Originally founded as a financial institution for teachers, it now serves the general public.

Lake Trust Credit Union is a community-based, not-for-profit financial cooperative headquartered in Brighton, Michigan, with over 175,000 members and more than $2.5 billion in assets. It operates branches across more than 20 Michigan cities and is regulated by the National Credit Union Administration (NCUA). Lake Trust became a certified Community Development Financial Institution (CDFI) in 2017 and ranks in the top 1% of credit unions nationwide.

Michigan Educational Credit Union is a federally chartered credit union headquartered in Plymouth, Michigan. It serves members primarily in the education sector and surrounding communities. The institution operates as a member-owned financial cooperative providing banking services to its eligible membership base.

Michigan Schools and Government Credit Union is a federally chartered credit union headquartered in Clinton Township, Michigan. It serves educators, school employees, government workers, and their families across Michigan. The credit union provides comprehensive financial services including savings accounts, loans, and investment products to its membership base.

Unify Financial Federal Credit Union is a nationwide credit union headquartered in Allen, Texas, with over 260,000 members and approximately $4.3 billion in assets as of 2025. Founded in 1948, it operates branches across multiple states including California, Nevada, Arizona, and Arkansas. As of November 1, 2025, Unify merged with CommunityAmerica Credit Union to form a combined institution.

University of Michigan Credit Union is a federally chartered credit union based in Ann Arbor, Michigan, serving the University of Michigan community and surrounding areas. It is one of the largest credit unions in Michigan and offers a full range of financial services including savings, checking, lending, and investment products. The credit union has multiple branch locations and maintains a strong presence in the Washtenaw County region.