About
Ameren appears at No. 755 in the 2026 Global 2000, a multi-factor ranking based on sales, profits, assets and market value. The company is headquartered in St. Louis, Missouri, United States and operates primarily in utilities. Reported figures used for the ranking include $8.9B in sales, $1.5B in profit, $49.8B in assets and a market value of $29.4B.