Oil & Gas Companies in McPherson County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | L. D. Drilling, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Jun 2025 |
| 2 | Ladd Petroleum C | | Oil & Gas Operator | Sep 1989 |
| 3 | Law Production, Inc. | McPherson, KS 67460 | Oil Operator | Nov 2007 |
| 4 | Lawrence & Bush | Lawton, OK 73507 | Oil Operator | Dec 1995 |
| 5 | Lawrence & Bush, Inc. | Pampa, TX 79065 | Oil Operator | Oct 1998 |
| 6 | Legacy Petroleum LLC | Tulsa, OK 74135 | Oil & Gas Operator | Apr 2025 |
| 7 | Lewis Energy LLC | Tulsa, OK 74159 | Oil Operator | Jun 2025 |
| 8 | Lewis Oil & Gas Of Galva, Inc. | Galva, KS 67443 | Oil Operator | Jun 2025 |
| 9 | Litan, David | Wichita, KS 67218 | Oil Operator | Jun 1990 |
| 10 | Little Chief Energy Corporation | Independence, KS 67301 | Oil Operator | Jun 2025 |
| 11 | Loewen E K | | Oil Operator | Mar 1986 |
| 12 | Loewen Operator | | Oil & Gas Operator | Mar 1995 |
| 13 | Loewen Operator, Inc. | Canton, KS 67428 | Oil & Gas Operator | Jun 2025 |
Production numbers shown above are only for McPherson County, KS and for the production period listed.