| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | L & M Petroleum Co | Reno, OH 45773 | Oil & Gas Operator | Dec 1987 |
| 2 | Landprovest Inc | Cambridge, OH 43725-858-858 | Oil & Gas Operator | Dec 1993 |
| 3 | Leader Equities Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 4 | Logan Clay Prod Company | Logan, OH 43138 | Oil & Gas Operator | Dec 2005 |
| 5 | Ludco Inc | Caledonia, OH 43314 | Oil & Gas Operator | Dec 1986 |
| 6 | Ludwig Cleo R | Caledonia, OH 43314 | Oil & Gas Operator | Dec 1987 |
| 7 | Luoil Inc | Corning, OH 43730 | Oil & Gas Operator | Dec 2023 |