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We're Ameren Corporation (AEE), a St. Louis-based, Fortune 500 company that powers the quality of life for millions of people throughout Illinois and Missouri. Ameren Illinois provides electric distribution and transmission service, as well as natural gas distribution service, while Ameren Missouri provides vertically integrated electric service, with generating capacity of over 10,200 megawatts, and natural gas distribution service. Combined, we serve 2.4 million electric and more than 900,000 natural gas customers in a 64,000 square mile area. We're the largest electric utility in Missouri and the second largest in Illinois, and we're among the nation's largest investor-owned electric or gas utility.

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Ticker AEE
Revenue $6.4 billion
Employees 6,725 (5,484 on RocketReach)
Founded 1902
Address 1901 Chouteau Avenue One Ameren Plaza, St. Louis, Missouri 63108, US
Phone (314) 621-3222
Fax (314) 554-2401
JavaScript, HTML, PHP +296 more (view full list)
Category Utilities, Electricity, Oil & Gas, Consumer Electronics, Power Generation, Energy, Utilities & Waste Treatment, Hardware, Operations, Electrical Distribution, Electric, Energy, Gas, Oil and Gas, Construction and Maintenance, Natural Resources, Solar, Sustainability
Competitors Alliant Energy, MidAmerican Energy Company, Public Service Company of New Mexico (PNM), Puget Sound Energy, Wisconsin Public Service
SIC 493, 49
NAICS 2212, 221, 22121, 22

Ameren Questions

The Ameren annual revenue was $6.4 billion in 2023.

Mark Birk is the President and Chairman of Ameren.

5,484 people are employed at Ameren.

Ameren is based in St. Louis, Missouri.

The NAICS codes for Ameren are [2212, 221, 22121, 22].

The SIC codes for Ameren are [493, 49].

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