Oil & Gas Companies in Cowley County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | L & L Oil Compan | | Oil Operator | Oct 1984 |
| 2 | Lachenmayr Oil C | | Oil Operator | Sep 1996 |
| 3 | Landers & Musgrove | Okemah, OK 74859 | Oil & Gas Operator | Mar 2015 |
| 4 | Landowner | Honolulu, HI | Oil & Gas Operator | Dec 2008 |
| 5 | Lasmo Energy Cor | | Oil Operator | Feb 1990 |
| 6 | Lasso Energy LLC | Chase, KS 67524 | Oil & Gas Operator | Jun 2025 |
| 7 | Lawco Holdings LLC | Bentonville, AR 72712 | Oil Operator | Jun 2025 |
| 8 | Lawrence, Max | Cambridge, KS 67023 | Oil Operator | May 2025 |
| 9 | Lawson, A.C., Inc. | Derby, KS 67037 | Oil Operator | May 2025 |
| 10 | Lawson, Thelma | Geuda Springs, KS 67051 | Oil Operator | Dec 2009 |
| 11 | LDH Operating LLC | Wichita, KS 67278 | Oil Operator | May 2025 |
| 12 | Leake Keith D | Winfield, KS 67156-8871 | Oil Operator | Apr 2004 |
| 13 | Leake, Keith D.(Deceased) Estate | Derby, KS 67037 | Oil Operator | Mar 2003 |
| 14 | Loewen Operator, Inc. | Canton, KS 67428 | Oil & Gas Operator | Jun 2025 |
| 15 | Lotus Operating Company, L.L.C. | Wichita, KS 67204 | Oil & Gas Operator | Jun 2025 |
Production numbers shown above are only for Cowley County, KS and for the production period listed.