On the Record · Atmos Energy
Atmos Energy subsidiaries, as it lists them
The subsidiaries Atmos Energy lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| ATMOS ENERGY HOLDINGS, INC. | Delaware |
| ATMOS ENERGY KANSAS SECURITIZATION I, LLC | Delaware |
| BLUE FLAME INSURANCE SERVICES, LTD | Bermuda |
| ATMOS ENERGY LOUISIANA INDUSTRIAL GAS, LLC | Delaware |
| ATMOS ENERGY SERVICES, LLC | Delaware |
| EGASCO, LLC | Texas |
| ATMOS POWER SYSTEMS, INC. | Georgia |
| ATMOS PIPELINE AND STORAGE, LLC | Delaware |
| UCG STORAGE, INC. | Delaware |
| WKG STORAGE, INC. | Delaware |
| ATMOS EXPLORATION AND PRODUCTION, INC. | Delaware |
| TRANS LOUISIANA GAS PIPELINE, INC. | Louisiana |
| TRANS LOUISIANA GAS STORAGE, INC. | Delaware |
| ATMOS GATHERING COMPANY, LLC | Delaware |
| PHOENIX GAS GATHERING COMPANY | Delaware |
| FORT NECESSITY GAS STORAGE, LLC | Delaware |
From Exhibit 21 of the 10-K for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from Atmos Energy’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2025-11-14. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.