EX-21 4 nfg-9302025xexhibit21.htm EX-21

Exhibit 21 |  |
Subsidiaries of National Fuel Gas Company
As of September 30, 2025
|  | State or Other
|  | Jurisdiction of Incorporation
Legal Name |  | or Organization
National Fuel Gas Distribution Corporation |  | New York
National Fuel Gas Supply Corporation |  | Pennsylvania
Seneca Resources Company, LLC |  | Pennsylvania
Empire Pipeline, Inc. |  | New York
National Fuel Gas Midstream Company, LLC |  | Pennsylvania
NFG Midstream Covington, LLC |  | Pennsylvania
NFG Midstream Trout Run, LLC |  | Pennsylvania
NFG Midstream Processing, LLC |  | Pennsylvania
NFG Midstream Tionesta, LLC |  | Pennsylvania
NFG Midstream Clermont, LLC |  | Pennsylvania
Highland Field Services, LLC |  | Pennsylvania
Pennsylvania Gas Holdings Corporation |  | Pennsylvania