| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | D & B Gas Prod LLC | Kittanning, PA 16201-7123 | Oil & Gas Operator | Dec 2025 |
| 2 | Dannic Energy Corp | Indiana, PA 15701-1532 | Oil & Gas Operator | Dec 2025 |
| 3 | Developed Resources Inc | Oil & Gas Operator | Dec 2025 | |
| 4 | Diversified Oil & Gas LLC | Jackson Center, PA 16133 | Oil & Gas Operator | Apr 2026 |
| 5 | DL Resources Inc | Oil & Gas Operator | Dec 2025 |