AMEREN ILLINOIS COMPANY
Summary
AMEREN ILLINOIS COMPANY is registered in the United States. Its legal form is Business Corporation (corp.). According to GLEIF, its ultimate parent is AMEREN CORPORATION (United States), which is also its direct parent. That group has 2 subsidiaries with LEIs in 1 country, 2 of them in the United States. The LEI was first issued on 16 Nov 2012 and the record was last updated on 29 Dec 2025; the next renewal is due by 29 Dec 2026. GLEIF's ISIN mapping lists 48 ISINs for this LEI. AssetCensus found 1 data-quality note for this entity (see below).
Written from GLEIF data using fixed, reviewed sentence templates.
Data-quality notes (AssetCensus analysis)
- The ultimate-parent link rests on accounts for the period ending 31 Dec 2023, more than 24 months before this data release. The group may have changed since.
Company details
| Legal form | Business Corporation (corp.) |
|---|---|
| Register | · Register website |
| Registration number | 17166468 |
| Registration authority | Business Services (Office of the Secretary of State) |
| Jurisdiction | United States (US-IL) |
| Registered address | C/O THE CORPORATION COMPANY, 600 S 2ND ST, 62704-2550 SPRINGFIELD, United States |
| Headquarters address | 10 RICHARD MARK WAY, 62234 COLLINSVILLE, United States |
| Category | company or other legal entity |
| Status | active |
| Founded (per GLEIF) | 1 Sep 1923 |
| LEI | RC71E2BZ6UOMFPDJSE79 |
| LEI status | active |
| LEI first issued | 16 Nov 2012 |
| LEI record last updated | 29 Dec 2025 |
| Next LEI renewal | 29 Dec 2026 |
| Corroboration of the LEI record | fully corroborated |
Group membership
Relationship to the parent
| Direct parent | Ultimate parent | |
|---|---|---|
| Parent | AMEREN CORPORATION | AMEREN CORPORATION |
| Accounting period | 1 Jan 2023 to 31 Dec 2023 | 1 Jan 2023 to 31 Dec 2023 |
| Evidence | other official documents | other official documents |
| Corroboration | supplied by the entity only | supplied by the entity only |
| Relationship start | 23 Nov 2012 | 23 Nov 2012 |
| Recorded at GLEIF since | 19 Nov 2012 | 19 Nov 2012 |
| Last updated | 29 Dec 2025 | 29 Dec 2025 |
| Record status | current | current |
Other subsidiaries of the same direct parent (1)
- UNION ELECTRIC COMPANY United States
ISINs mapped to this LEI (48)
US02361D2099 · US02361D3089 · US02361D4079 · US02361D5068 · US02361D6058 · US02361D7049 · US02361D8039 · US02361D8377 · US02361D8450 · US02361D8526
48 in the GLEIF–ANNA mapping file; first 10 shown. The file covers ISINs issued since the mapping started, not all securities.
Other names
- CENTRAL ILLINOIS PUBLIC SERVICE COMPANY · previous name