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.

Certified FCU is a federal credit union headquartered in El Monte, California. It serves members in the Los Angeles area and surrounding regions. The institution operates as a member-owned financial cooperative providing banking services to its membership base.

Financial Partners Credit Union is a federally chartered credit union based in Downey, California, serving members across Southern California. The institution provides a range of financial services including savings accounts, loans, and other consumer banking products. It operates as a community-focused financial cooperative.

Kinecta Federal Credit Union is a federally chartered credit union headquartered in Manhattan Beach, California, serving the greater Los Angeles area. It is one of the larger credit unions in Southern California with a focus on consumer and business banking services. Kinecta operates multiple branches and offers digital banking alongside traditional in-person services.