Ameren Corporation is an American power company created December 31, 1997, by the merger of St. Louis, Missouri's Union Electric Company and the neighboring Central Illinois Public Service Company of Springfield, Illinois. It is now a holding... Wikipedia
President: Martin J Lyons
Founded: December 31, 1997
Headquarters: St. Louis, MO
Parent organizations: Union Electric Company, CENTRAL ILLINOIS LIGHT CO, CILCORP INC, and more