Alltru Credit Union is a member-owned, not-for-profit financial cooperative headquartered in Wentzville, Missouri, serving the St. Louis metropolitan area since 1968 (originally as McDonnell Douglas Credit Union, later 1st Financial Federal Credit Union until rebranding in 2020). The credit union operates multiple branches across St. Louis City, St. Louis County, and St. Charles County, with over 39,600 members and approximately $343.8 million in assets. Alltru is a federally insured institution and designated Community Development Financial Institution (CDFI).

Aloha Pacific Federal Credit Union is Hawaii’s third-largest credit union, headquartered in Honolulu. Originally chartered in 1936 as Honolulu City & County Employees Federal Credit Union, it has evolved into a not-for-profit institution serving a diverse membership across multiple Hawaiian islands and Nevada. The credit union operates 11 branches and has been federally insured by NCUA for over 85 years.

AltaOne Federal Credit Union is a federally chartered, member-owned financial cooperative headquartered in Ridgecrest, California, originally organized in 1947 as the NOTS Employees Federal Credit Union at China Lake. With over 57,000 members and more than $800 million in assets, it operates branches across Kern, Inyo, Mono, and northern San Bernardino counties. The credit union is certified as a Community Development Financial Institution by the U.S. Department of the Treasury.

Altra FCU is a federal credit union headquartered in Onalaska, Wisconsin. It serves members across multiple states with a focus on providing financial services to eligible individuals and organizations. The credit union operates under NCUA charter and regulation.

Altura Federal Credit Union is a credit union based in Riverside, California, serving members in the region. The institution operates as a federally chartered credit union regulated by the NCUA. Altura FCU provides standard credit union services including savings accounts, loans, and financial products to its membership base.

America’s Christian Credit Union is a federally insured state-chartered credit union headquartered in Glendora, California, with approximately $770 million in assets and 125,000 members as of September 2025. Founded in 1958 as Nazarene Ministers’ Credit Union, it has expanded its field of membership to serve churches, ministries, Christian schools, and individuals aligned with Wesleyan Christian doctrine nationwide. The credit union reinvests member deposits into church expansion, ministry financing, and Christian-owned businesses.

American 1 Credit Union is a federally chartered credit union headquartered in Jackson, Michigan. It serves members across Michigan and surrounding regions with a focus on personal and business financial services. The institution operates as a community-based financial cooperative providing deposit, lending, and investment products.

American Airlines Federal Credit Union is a credit union headquartered in Fort Worth, Texas, primarily serving employees and members of the airline industry. The institution operates as a federally chartered credit union with a focus on providing financial services to American Airlines employees and eligible family members.

American Eagle Financial Credit Union, Inc. is a federally chartered credit union headquartered in East Hartford, Connecticut. It serves members in the Connecticut area with traditional credit union services including savings, lending, and financial products.

American First Credit Union is a federally insured credit union established in 1952 in Brea, California, originally serving grocery store workers. The institution expanded its field of membership in the early 2000s and now serves individuals and small businesses across Orange, Riverside, and San Bernardino counties, plus 14 surrounding cities, with partnerships extending membership through over 100 companies and community groups.