Alliance Credit Union is headquartered in Fenton and is the 12th largest credit union in the state of Missouri. It is also the 900th largest credit union in the nation. It was established in 1948 and as of March of 2025, it had grown to 75 employees and 21,596 members at 6 locations. Alliance Credit Union has an A health rating.
Membership in Alliance Credit Union is open to anyone who lives or works in the Missouri counties of Franklin, Jefferson St. Charles, or St. Louis, or the City of St. Louis; or the Illinois counties of Jersey, Madison, Monroe, or St. Clair. Employees and retirees of more than 30 Select Employer Groups are also eligible to join, as are members of seven labor organizations. Immediate family of current Alliance Credit Union members also qualify for membership.
See current membership details
