Oil & Gas Companies in Wilson County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | L & L Oil Compan | | Oil Operator | Oct 1984 |
| 2 | L D O Incorporat | | Oil Operator | Jul 1988 |
| 3 | L V Gas Incorpor | | Oil & Gas Operator | Mar 1991 |
| 4 | L&M, Inc. | Vienna, WV 26105 | Oil & Gas Operator | Dec 2024 |
| 5 | Lakeshore Operating, LLC | Wichita, KS 67203 | Oil & Gas Operator | Oct 2025 |
| 6 | Landowner | Honolulu, HI | Oil & Gas Operator | Dec 2008 |
| 7 | Laymon, Michael | Yates Center, KS 66783 | Oil Operator | Jun 2025 |
| 8 | Layne Energy Operating, LLC | Kansas City, KS 66106 | Oil & Gas Operator | Feb 2025 |
| 9 | Lee Donna Oil Co | | Oil & Gas Operator | Dec 1996 |
| 10 | Leedy Oil Produc | | Oil & Gas Operator | Dec 1995 |
| 11 | Leis, John E. | Yates Center, KS 66783 | Oil Operator | Jun 2025 |
| 12 | Leis, VIctor J. | Paola, KS 66071 | Oil & Gas Operator | Jun 2025 |
| 13 | Levi Oil Company | Wichita, KS 67218 | Oil & Gas Operator | Nov 1993 |
| 14 | Little Joe'S Oil Company | | Oil Operator | Jul 2020 |
| 15 | Lockhart Oil LLC | Neosho Falls, KS 66758 | Oil Operator | May 2025 |
| 16 | Longton Explorat | | Oil & Gas Operator | Jul 1993 |
| 17 | Longton Explorations | | Oil & Gas Operator | Dec 2024 |
| 18 | Lorenz, James D. | Parsons, KS 67357 | Oil & Gas Operator | May 2014 |
| 19 | LR Energy, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Jun 2025 |
| 20 | Ludco Incorporat | | Gas Operator | Mar 1990 |
Production numbers shown above are only for Wilson County, KS and for the production period listed.