Ameren Illinois Company (AILIM)
OTCMKTS · Delayed Price · Currency is USD · Preferred Stock
79.00
-0.75 (-0.94%)
At close: Feb 23, 2026

Ameren Illinois Company Company Description

Ameren Illinois Company, doing business as Ameren Illinois, engages in the rate-regulated electric generation, transmission, and distribution business in Illinois.

It also engages in the natural gas distribution business. Ameren Illinois Company was formerly known as Central Illinois Public Service Company and changed its name to Ameren Illinois Company in October 2010.

The company was founded in 1902 and is headquartered in Collinsville, Illinois. Ameren Illinois Company operates as a subsidiary of Ameren Corporation.

Ameren Illinois Company
CountryUnited States
Founded1902
IndustryElectric and Other Services Combined
Employees3,108

Contact Details

Address:
10 Richard Mark Way
Collinsville, Illinois 62234
United States
Phone(618) 343-8150
Websiteameren.com

Stock Details

Ticker SymbolAILIM
ExchangeOTCMKTS
Stock TypePreferred Stock
Fiscal YearJanuary - December
Reporting CurrencyUSD
ISIN NumberUS4520926043
SIC Code4931