Keesler Federal Credit Union is a federally chartered credit union headquartered in Biloxi, Mississippi, founded in 1947 to serve military personnel at Keesler Air Force Base. It is the largest credit union based in Mississippi with over $5 billion in assets and approximately 365,000–395,000 members, operating more than 50 branches across Mississippi, Louisiana, Alabama, and the United Kingdom.

Mutual FCU is a federally chartered credit union located in Vicksburg, Mississippi. The institution serves members in the Vicksburg area and surrounding regions. Limited public information is available about this credit union’s specific operations and history.