EX-21 5 ato20250930ex-21.htm EX-21
Exhibit 21
SUBSIDIARIES OF ATMOS ENERGY CORPORATION

Name |  | State of Incorporation |  | Percent of Ownership
ATMOS ENERGY HOLDINGS, INC. (wholly owned by Atmos Energy Corporation) |  | Delaware |  | 100%
ATMOS ENERGY KANSAS SECURITIZATION I, LLC (wholly owned by Atmos Energy Corporation) |  | Delaware |  | 100%
BLUE FLAME INSURANCE SERVICES, LTD (wholly owned by Atmos Energy Corporation) |  | Bermuda |  | 100%
ATMOS ENERGY LOUISIANA INDUSTRIAL GAS, LLC (a limited liability company) (wholly owned by Atmos Energy Holdings, Inc.) |  | Delaware |  | 100%
ATMOS ENERGY SERVICES, LLC (a limited liability company) (wholly owned by Atmos Energy Holdings, Inc.) |  | Delaware |  | 100%
EGASCO, LLC (a limited liability company) (wholly owned by Atmos Energy Holdings, Inc.) |  | Texas |  | 100%
ATMOS POWER SYSTEMS, INC. (wholly owned by Atmos Energy Holdings, Inc.) |  | Georgia |  | 100%
ATMOS PIPELINE AND STORAGE, LLC (a limited liability company) (wholly owned by Atmos Energy Holdings, Inc.) |  | Delaware |  | 100%
UCG STORAGE, INC. (wholly owned by Atmos Pipeline and Storage, LLC) |  | Delaware |  | 100%
WKG STORAGE, INC. (wholly owned by Atmos Pipeline and Storage, LLC) |  | Delaware |  | 100%
ATMOS EXPLORATION AND PRODUCTION, INC. (wholly owned by Atmos Pipeline and Storage, LLC) |  | Delaware |  | 100%
TRANS LOUISIANA GAS PIPELINE, INC. (wholly owned by Atmos Pipeline and Storage, LLC) |  | Louisiana |  | 100%
TRANS LOUISIANA GAS STORAGE, INC. (wholly owned by Atmos Pipeline and Storage, LLC) |  | Delaware |  | 100%
ATMOS GATHERING COMPANY, LLC (a limited liability company) (wholly owned by Atmos Pipeline and Storage, LLC) |  | Delaware |  | 100%
PHOENIX GAS GATHERING COMPANY (wholly owned by Atmos Gathering Company, LLC) |  | Delaware |  | 100%
FORT NECESSITY GAS STORAGE, LLC (a limited liability company) (wholly owned by Atmos Pipeline and Storage, LLC) |  | Delaware |  | 100%