AILIH Ameren Illinois Co
OTC marketsActive
AILIH is the ticker symbol of Ameren Illinois Co, which is quoted on OTC markets.
AILIH at a glance
- Symbol
- AILIH
- Company / issuer
- Ameren Illinois Co
- Exchange
- OTC markets
- Status
- Actively traded
Ameren Illinois Co company profile
- Industry (SIC)
- Electric & Other Services Combined
- Headquarters
- Collinsville, IL
- Incorporated in
- IL
- Fiscal year end
- December 31
- Latest annual report
- 10-K filed 2026-02-18
- Latest interim report
- 10-Q filed 2026-08-03
- SEC CIK
- 18654
Former company names
- Central Illinois Public Service Co (until 2010)
Source: SEC EDGAR filer data.
AILIH price chart
Interactive chart provided by TradingView (loads third-party scripts).
Other symbols for Ameren Illinois Co
Frequently asked questions
What company has the ticker symbol AILIH?
AILIH is the ticker symbol of Ameren Illinois Co on OTC markets.
Is AILIH still trading?
Yes. AILIH appears in the SEC company ticker list as of Sep 2026.
Which exchange is AILIH listed on?
AILIH is quoted on OTC markets.
Nearby symbols
AIIA-RI AI Infrastructure Acquisition Corp.AIIA-UN AI Infrastructure Acquisition Corp.AIIO Robo.ai Inc.AIIR Air Global PLCAIJTY Jianpu Technology Inc.AIKCF Aica Kogyo Co LimitedAILIM Ameren Illinois CoAILIN Ameren Illinois CoAILIO Ameren Illinois CoAILIP Ameren Illinois CoAILLI Ameren Illinois CoAILLM Ameren Illinois Co