NORTHERN ILLINOIS GAS COMPANY
Summary
NORTHERN ILLINOIS GAS COMPANY is registered in the United States. Its legal form is Business Corporation (corp.). According to GLEIF, its ultimate parent is THE SOUTHERN COMPANY (United States), and its direct parent is Southern Company Gas (United States). That group has 26 subsidiaries with LEIs in 1 country, 26 of them in the United States. The LEI was first issued on 5 Dec 2012 and the record was last updated on 1 May 2026; the next renewal is due by 13 May 2027. GLEIF's ISIN mapping lists 8 ISINs for this LEI.
Written from GLEIF data using fixed, reviewed sentence templates.
Data-quality notes (AssetCensus analysis)
No data-quality notes for this entity in this data release.
Company details
| Legal form | Business Corporation (corp.) |
|---|---|
| Register | · Register website |
| Registration number | 50814173 |
| Registration authority | Business Services (Office of the Secretary of State) |
| Jurisdiction | United States (US-IL) |
| Registered address | C/O ILLINOIS CORPORATION SERVICE COMPANY, 801 ADLAI STEVENSON DRIVE, 62703 SPRINGFIELD, United States |
| Headquarters address | 1844 W. Ferry Rd., 60563-9600 Naperville, United States |
| Category | company or other legal entity |
| Status | active |
| Founded (per GLEIF) | 12 Jan 1976 |
| LEI | 549300H5GUKWH3CAB355 |
| LEI status | active |
| LEI first issued | 5 Dec 2012 |
| LEI record last updated | 1 May 2026 |
| Next LEI renewal | 13 May 2027 |
| Corroboration of the LEI record | fully corroborated |
Group membership
Relationship to the parent
| Direct parent | Ultimate parent | |
|---|---|---|
| Parent | Southern Company Gas | THE SOUTHERN COMPANY |
| Accounting period | 1 Jan 2025 to 31 Dec 2025 | 1 Jan 2025 to 31 Dec 2025 |
| Evidence | other official documents | other official documents |
| Corroboration | supplied by the entity only | supplied by the entity only |
| Relationship start | 20 Jun 2017 | 20 Jun 2017 |
| Recorded at GLEIF since | 5 Dec 2012 | 5 Dec 2012 |
| Last updated | 1 May 2026 | 1 May 2026 |
| Record status | current | current |
Other subsidiaries of the same direct parent (7)
- CENTRAL VALLEY GAS STORAGE, L.L.C. United States lapsed
- GOLDEN TRIANGLE STORAGE, LLC United States lapsed
- JEFFERSON ISLAND STORAGE & HUB L.L.C. United States lapsed
- NICOR ENERCHANGE, L.L.C. United States lapsed
- SOUTHERN COMPANY GAS CAPITAL CORPORATION United States
- SOUTHSTAR ENERGY SERVICES LLC United States
- VIRGINIA NATURAL GAS, INC. United States
ISINs mapped to this LEI (8)
US6540861076 · US6540862066 · US6540864047 · US6540865036 · US665228BP63 · US665228BZ46 · US665228CB68 · US665228CC42
8 in the GLEIF–ANNA mapping file. The file covers ISINs issued since the mapping started, not all securities.