Alliance Credit Union, headquartered in Fenton (MO) and covering St. Louis, St. Charles, Jefferson and Franklin Counties in Missouri, as well as St. Clair, Monroe, Madison and Jersey Counties in Illiniois.With more than 20,000 members and $260 million in assets, we are one of the fastest-growing Credit Unions in the area. Visit us to see why "Delivering Value, Enriching Lives" is more than just a tagline... it's in all that we do!