| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | NCL Natural Resources LLC | Spring, TX 77381-5261 | Oil & Gas Operator | Dec 2017 |
| 2 | Noble Oil Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1996 |
| 3 | Northeastern Energy | Warren, OH 44484 | Oil & Gas Operator | Dec 1991 |
| 4 | Northwood Energy Corp | Columbus, OH 43221 | Oil & Gas Operator | Jun 2025 |
| 5 | Nucomer Energy LLC | Erie, PA 16507 | Oil & Gas Operator | Jul 2025 |