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.

Michigan First Credit Union is a federally chartered credit union headquartered in Lathrup Village, Michigan, serving members in the Detroit metropolitan area. The institution provides traditional credit union services including savings accounts, loans, and financial products to its membership base.