Southern Energy Credit Union, headquartered in Birmingham, Alabama, is the second-largest credit union in Alabama and the largest state-chartered credit union in the state. Founded in 1953 as APCO Employees Credit Union, it rebranded in 2025 following mergers with Powerco Federal Credit Union and Mutual Savings Credit Union. The institution serves over 90,000 members through 28 branches across Alabama, Georgia, and Mississippi, with over $3.5 billion in assets.

L&N Credit Union is a federally chartered credit union based in Birmingham, Alabama. It serves members primarily in the Birmingham area and surrounding regions. The credit union provides standard financial services including savings accounts, loans, and other member-focused products.

Listerhill Credit Union is a federally chartered credit union headquartered in Muscle Shoals, Alabama, serving members across northern Alabama and surrounding regions. The institution provides traditional credit union services including savings accounts, loans, and financial products to its membership base.

Guardian Credit Union of Alabama is a full-service financial institution headquartered in Prattville, Alabama, with 17 branches across 16 counties in central Alabama. Founded in 1958 to serve Alabama National Guard members and their families, it has grown through mergers to become a community-focused credit union serving a broad membership base.

Max Credit Union is a credit union based in Montgomery, Alabama. Limited publicly available information is available about this institution’s specific charter, assets, or service area.

Alabama State Employees Credit Union is a federally chartered credit union headquartered in Montgomery, Alabama, serving state employees and their families. The institution provides financial services including savings, checking, loans, and other member benefits to its membership base.

All In FCU is a federal credit union located in Daleville, Alabama. The institution serves members in the local community and surrounding areas. Limited public information is available about this smaller regional credit union.

Family Security Credit Union is a federally chartered credit union based in Decatur, Alabama. The institution serves members in the Decatur area and surrounding regions. It operates as a community-focused financial cooperative providing standard credit union services including savings, loans, and related financial products.

Family Savings Credit Union is a federally chartered credit union serving members in Rainbow City, Alabama and surrounding areas. The institution provides traditional credit union services including savings accounts, loans, and financial products to its membership base.

Avadian Credit Union is a federally chartered credit union headquartered in Hoover, Alabama, serving members across the state and beyond. The institution provides traditional banking services including savings accounts, loans, and financial products to its membership base. Avadian operates as a community-focused financial cooperative with a presence in Alabama’s central region.