Alliance Credit Union, headquartered in Fenton (MO) and covering St. Louis, St. Charles, Jefferson and Franklin Counties in M ... issouri, 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! read more