AILLP Ameren Illinois Co
OTC marketsActive
AILLP is the ticker symbol of Ameren Illinois Co, which is quoted on OTC markets.
AILLP at a glance
- Symbol
- AILLP
- 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.
AILLP 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 AILLP?
AILLP is the ticker symbol of Ameren Illinois Co on OTC markets.
Is AILLP still trading?
Yes. AILLP appears in the SEC company ticker list as of Sep 2026.
Which exchange is AILLP listed on?
AILLP is quoted on OTC markets.
Nearby symbols
AILIO Ameren Illinois CoAILIP Ameren Illinois CoAILLI Ameren Illinois CoAILLM Ameren Illinois CoAILLN Ameren Illinois CoAILLO Ameren Illinois CoAIM AIM ImmunoTech Inc.AIMC Altra Industrial Motion Corp.AIMD Ainos, Inc.AIN Albany International CorporationAINV Apollo Investment CorporationAIOK AI OKTO Corp.