| 1 | N & K Oil & Gas Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 1998 |
| 2 | N & N Oil | Somerset, OH 43783 | Oil & Gas Operator | Dec 2014 |
| 3 | N Eastern Oh O&G Exp Inc | Cleveland, OH 44106 | Oil & Gas Operator | Dec 1999 |
| 4 | National Energy Exp Inc | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 5 | Natland Energy Corp | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 1996 |
| 6 | NCL Natural Resources LLC | Spring, TX 77381-5261 | Oil & Gas Operator | Dec 2017 |
| 7 | Neos Energy LLC | Columbus, OH 43220-0265 | Oil & Gas Operator | Dec 2024 |
| 8 | Nethers Brothers LLC | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 9 | Nethers Gary L | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 10 | Nethers Oil And Gas LLC | Newark, OH 43055 | Oil Operator | Dec 2024 |
| 11 | Newstar Energy USA Inc | Thornville, OH 43076 | Oil & Gas Operator | Aug 2004 |
| 12 | NGM Noble LTD | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 13 | Ngo Development Corp. | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 14 | Nieset Lawrence & Christopher | Helena, OH 43435 | Oil Operator | Dec 2024 |
| 15 | Noble Gas Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 1997 |
| 16 | Noble Oil Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1996 |
| 17 | Noble Petroleum LLC | Lower Salem, OH 45745-9648 | Oil & Gas Operator | Dec 2024 |
| 18 | North Amer Oil Exp Inc | Trenton, OH 45067 | Oil Operator | Dec 2024 |
| 19 | North Amer Petroleum Inc | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2000 |
| 20 | North American Petroleum Inc | Scottsdale, AZ 85262 | Oil & Gas Operator | Dec 2024 |
| 21 | North American Prod Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 1998 |
| 22 | North Coast Petroleum Inc | Hiram, OH 44234 | Oil & Gas Operator | Dec 1993 |
| 23 | North East Fuel Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2015 |
| 24 | North Ridge Energy Inc | Rome, OH 44085-9713 | Oil & Gas Operator | Dec 2024 |
| 25 | Northeastern Energy | Warren, OH 44484 | Oil & Gas Operator | Dec 1991 |
| 26 | Northern Processors Inc | The Woodlands, TX 77387-9385 | Oil & Gas Operator | Sep 2010 |
| 27 | Northwood Energy Corp | Columbus, OH 43221 | Oil & Gas Operator | Jun 2025 |
| 28 | Nucomer Energy LLC | Erie, PA 16507 | Oil & Gas Operator | Jul 2025 |
| 29 | Nuttco Oil & Gas | Corning, OH 43730 | Oil & Gas Operator | Dec 2010 |
| 30 | Nytis Exploration Company LLC | Lexington, KY 40509 | Oil & Gas Operator | Dec 2021 |