Ameren Illinois Company PFD 4.26%

OTC: AILIO · Utilities · Regulated Electric

PublicHQ Collinsville, IL · MadisonCIK 0000018654Reports USD

#1 of 135 Utilities companies by revenue

EA Score

——

FH —DQ —GM —SS 61

v0.1 · 5/100 weight · pillars only

↑ market scale, Altman-Z · ↓ filing timeliness, listing tenure

Methodology →

Revenue TTM

$5.8B

Rev growth YoY (TTM)

+58.4%

Net income (FY)

—

Employees

3,108

as of 2026-08-28

Market cap

$30.6B

as of 2026-08-28

Financials — latest annual

SEC EDGAR · USD-normalized

ConceptUSDNativeFY

No filed financials — private or non-XBRL filer.

Revenue by segment

Filed disclosures · FY2025

By product

Electricity87%

Natural Gas13%

By geography

Not disclosed.

The read

What is Ameren Illinois Company PFD 4.26%’s financial profile?

Ameren Illinois Company PFD 4.26% has no structured financials on file — private or non-XBRL filer.

Key facts

CEOMartin J. Lyons Jr.

SectorUtilities

IndustryRegulated Electric

HeadquartersCollinsville, IL

ExchangeOTC: AILIO

Employees3,108

IPO date2012-11-09

Latest filings

8-K2026-08-24 8-K2025-03-03 8-K2024-12-20 8-K2024-06-27 8-K2024-06-21 8-K2023-12-18 8-K2023-11-21 8-K2023-05-31

Financials: SEC EDGAR (XBRL), USD-normalized per IAS 21 · TTM/quarterly + segments: FMP from filed disclosures · Filings: EDGAR submissions. County headcount and EA Score are in progress — see docs/DATA_GAPS.md.