Oil & Gas Companies in Marion County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 101 | Montgomery Production & Operating LLC | Herington, KS 67449 | Oil & Gas Operator | Sep 2025 |
| 102 | Moore, Brent L. | McPherson, KS 67460 | Oil Operator | Dec 1996 |
| 103 | MP Oil Operations | | Gas Operator | Dec 2004 |
| 104 | Nash Oil & Gas, Inc. | Newton, KS 67114 | Oil & Gas Operator | Sep 2025 |
| 105 | Noah, Calvin | Valley Center, KS 67147 | Oil Operator | Oct 2010 |
| 106 | NPF Energy Corporation | Boise, ID 83708 | Oil & Gas Operator | Sep 2025 |
| 107 | Oil Producers, Inc. Of Kansas | Wichita, KS 67206 | Oil & Gas Operator | Feb 2026 |
| 108 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Feb 2026 |
| 109 | Palomino Petroleum Inc | Newton, KS 67114 | Oil & Gas Operator | Sep 2025 |
| 110 | Panhandle Petrol | | Oil Operator | Jun 1987 |
| 111 | Pendleton Land & | | Oil Operator | Aug 1985 |
| 112 | Petro River Operating, LLC | New York City, NY 10017 | Oil & Gas Operator | Jul 2011 |
| 113 | Phoenix Oil Comp | | Oil Operator | Nov 1988 |
| 114 | Porter Oil | Peabody, KS 66866 | Oil Operator | Oct 2000 |
| 115 | Prairie Oil Inco | | Oil Operator | Jan 1986 |
| 116 | Pritz Maurice G | | Oil Operator | Oct 1990 |
| 117 | Pyro Energy Corp | Kingwood, TX 77339-2102 | Oil & Gas Operator | Mar 1998 |
| 118 | R & R Oil Compan | | Oil & Gas Operator | Jan 1987 |
| 119 | Randon Production Co. | Marion, KS 66861 | Oil & Gas Operator | Jul 2025 |
| 120 | Range Oil Co., Inc. | Wichita, KS 67278 | Oil & Gas Operator | Jan 2020 |
| 121 | Range Oil Compan | | Oil & Gas Operator | Nov 1995 |
| 122 | Reed, George A. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2009 |
| 123 | Renegade Resources Corp. | Reno, NV 89511 | Oil & Gas Operator | Jul 2024 |
| 124 | Samson Resources | | Oil Operator | Jan 1994 |
| 125 | Schulz Oil & Gas, Inc. | Canton, KS 67428 | Oil & Gas Operator | Dec 2024 |
| 126 | Schulz Roger A | | Oil & Gas Operator | Dec 1996 |
| 127 | Scott'S Production, LLC | Roxbury, KS 67476 | Oil Operator | Sep 2025 |
| 128 | Shawmar Oil & Gas Co., Inc. | Sunnyvale, TX 75182 | Oil & Gas Operator | Dec 2023 |
| 129 | Shawmar Oil Comp | | Oil & Gas Operator | Feb 1995 |
| 130 | Silhan, Terry | Marion, KS 66861 | Oil & Gas Operator | Dec 2009 |
| 131 | Slawson Donald C | Wichita, KS 67202 | Oil & Gas Operator | Apr 2025 |
| 132 | Sonoma Resources LLC | Andover, KS 67002 | Oil & Gas Operator | Sep 2025 |
| 133 | Steiner Oil And Gas | Lincolnville, KS 66858 | Oil Operator | Jan 1999 |
| 134 | Strait F W Incor | | Oil Operator | Jan 1992 |
| 135 | Te-Pe Oil & Gas | | Oil & Gas Operator | Sep 2025 |
| 136 | Teichgraeber Oil | | Oil Operator | Nov 1995 |
| 137 | Thompson, Don W | Herington, KS 67449 | Oil Operator | Jul 2003 |
| 138 | Trans Pacific Oil Corporation | Wichita, KS 67202 | Oil & Gas Operator | Dec 2025 |
| 139 | Trek Aec, LLC | Wichita, KS 67202 | Oil & Gas Operator | Sep 2025 |
| 140 | Voigt O & G Comp | | Oil & Gas Operator | Nov 1993 |
| 141 | White, Robert F. | Wichita, KS 67220 | Oil & Gas Operator | Feb 2007 |
| 142 | Wiedemann K T TR | | Oil Operator | Jul 1992 |
| 143 | Wildcat Resc Inc | | Oil & Gas Operator | Nov 1992 |
| 144 | Wildcat Resources | | Oil & Gas Operator | Jun 2016 |
| 145 | Wilton Petroleum | | Oil & Gas Operator | Jun 1985 |
| 146 | Wilton Petroleum, Inc. | Canton, KS 67428 | Oil & Gas Operator | Sep 2025 |
Production numbers shown above are only for Marion County, KS and for the production period listed.