| 1 | Dannic Energy Corp | Indiana, PA 15701-1532 | Oil & Gas Operator | Dec 2025 |
| 2 | Daughenbaugh, James And Meshelle | Gerry, NY 14740 | Gas Operator | Dec 2025 |
| 3 | Davidson, William A, & Jennifer I. | Westfield, NY 14787 | Gas Operator | Dec 2025 |
| 4 | Decker, James K. & Tiffany J. | Jamestown, NY 14701 | Oil & Gas Operator | Dec 2025 |
| 5 | Demambro, Gene Brian | Mayville, NY 14757 | Gas Operator | Dec 2025 |
| 6 | Densmore, Winfield F. Densmore, Debra L. | Lakewood, NY 14750 | Gas Operator | Dec 2025 |
| 7 | Deuble, Adam And Misty Pennington | Jamestown, NY 14701 | Gas Operator | Dec 2025 |
| 8 | Didomenico, Thomas J | Jamestown, NY 14701 | Gas Operator | Dec 2025 |
| 9 | Dunkirk City School District | Dunkirk, NY 14048 | Gas Operator | Dec 2025 |
| 10 | Dunnewold Farms LLC | Clymer, NY 14724 | Gas Operator | Dec 2025 |