| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Dakota Oil & Gas Co | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2025 |
| 2 | Diversified Oil & Gas LLC | Jackson Center, PA 16133 | Oil & Gas Operator | Apr 2026 |
| 3 | Dorso LP | Wexford, PA 15090-8314 | Oil & Gas Operator | Dec 2024 |
| 4 | Dunn Joseph L | Oil & Gas Operator | Dec 2025 |