Oil & Gas Companies in Neosho County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | L & L Oil Compan | | Oil Operator | Oct 1984 |
| 2 | L&M, Inc. | Vienna, WV 26105 | Oil & Gas Operator | Dec 2024 |
| 3 | Lacen Oil | | Oil Operator | Jan 2002 |
| 4 | Lancer Oil, Inc. | Piqua, KS 66761 | Oil Operator | May 2005 |
| 5 | Layton Oil Compa | | Oil & Gas Operator | Jul 1985 |
| 6 | Leedy Oil Produc | | Oil & Gas Operator | Dec 1995 |
| 7 | Leedy Oil Producers | | Oil Operator | Nov 2009 |
| 8 | Levi Oil Company | Wichita, KS 67218 | Oil & Gas Operator | Nov 1993 |
| 9 | Lobo Oil & Gas, LLC | Benedict, KS 66714 | Oil Operator | Jan 2019 |
| 10 | Lone Star Interests, Inc. | Chanute, KS 66720 | Oil Operator | Sep 2001 |
| 11 | Lorenz, Barton T. | Cherryvale, KS 67335 | Oil & Gas Operator | Jul 2013 |
| 12 | Loveland Energy LLC | Wichita, KS 67206 | Oil Operator | Dec 2009 |
| 13 | LR Energy, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Jun 2025 |
| 14 | Lucky Crude, LLC | Erie, KS 66733 | Oil Operator | Jun 2025 |
Production numbers shown above are only for Neosho County, KS and for the production period listed.