| 101 | Kruckenberg & SC | | Oil & Gas Operator | Sep 1993 |
| 102 | Kytex, Inc. | Wichita, KS 67230 | Oil Operator | Dec 2019 |
| 103 | L & B Oil | Longton, KS 67352 | Oil Operator | Dec 2019 |
| 104 | L. D. Drilling, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Feb 2026 |
| 105 | Lario Oil & Gas Company | Odessa, TX 79762 | Oil & Gas Operator | Jun 2026 |
| 106 | Larson Operating Company | Olmitz, KS 67564-8561 | Oil & Gas Operator | Dec 2019 |
| 107 | LB Exploration, Inc. | Wichita, KS 67205 | Oil & Gas Operator | Nov 2025 |
| 108 | Mai Oil Operations, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Feb 2026 |
| 109 | Manuel Corporation | Wichita, KS 67206 | Oil & Gas Operator | Mar 2026 |
| 110 | Mar-Lou Oil Co., LLC | Wilson, KS 67490 | Oil Operator | Feb 2026 |
| 111 | McGinness Energy Company Inc | Wichita, KS 67206 | Oil & Gas Operator | Feb 2026 |
| 112 | Messman-Rinehart | | Oil & Gas Operator | Mar 1991 |
| 113 | Mid Kansas Gas Gathering | | Gas Operator | Feb 2026 |
| 114 | Mid-Continent Energy Corp. | Wichita, KS 67208 | Oil & Gas Operator | Feb 2026 |
| 115 | Midway Drilling | | Oil & Gas Operator | Dec 1996 |
| 116 | Mike Kelso Oil, Inc. | Chase, KS 67524 | Oil & Gas Operator | Feb 2026 |
| 117 | Mobil Oil Corpor | | Oil & Gas Operator | Dec 1996 |
| 118 | Murfin Drilling Company, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Apr 2026 |
| 119 | National Coopera | | Oil & Gas Operator | Mar 1992 |
| 120 | National Petrole | | Oil & Gas Operator | Dec 1996 |
| 121 | Norstar Petroleum Inc | Englewood, CO 80112 | Oil & Gas Operator | Feb 2026 |
| 122 | North Plains Oil | | Oil Operator | Jul 1990 |
| 123 | Oil Producers In | | Oil & Gas Operator | Dec 1996 |
| 124 | Oil Producers, Inc. Of Kansas | Wichita, KS 67206 | Oil & Gas Operator | Jun 2026 |
| 125 | Oil Prop Company | | Oil & Gas Operator | Sep 1995 |
| 126 | Oil Property Man | | Oil & Gas Operator | Jun 1995 |
| 127 | Okmar Oil Compan | | Oil & Gas Operator | Feb 1995 |
| 128 | Owen'S Pumping Service | | Oil Operator | Feb 2026 |
| 129 | Palomino Petroleum Inc | Newton, KS 67114 | Oil & Gas Operator | Feb 2026 |
| 130 | Parker & Parsley | | Oil & Gas Operator | Dec 1996 |
| 131 | Patterson Energy LLC | Hays, KS 67601 | Oil & Gas Operator | Feb 2026 |
| 132 | Patton Oil Compa | | Oil & Gas Operator | Nov 1994 |
| 133 | Pauley Oil | | Oil Operator | Feb 2026 |
| 134 | Petro Dynamics C | | Oil & Gas Operator | Sep 1988 |
| 135 | Petroleum Energy | | Oil & Gas Operator | Mar 1991 |
| 136 | Petroleum Techno | | Oil & Gas Operator | Dec 1996 |
| 137 | Petroleum Technologies, Inc. | Kansas City, MO 64112 | Oil & Gas Operator | Feb 2026 |
| 138 | Phillips Petrole | | Oil & Gas Operator | May 1995 |
| 139 | Pintail Petroleum, LTD. | Wichita, KS 67202 | Oil & Gas Operator | Apr 2021 |
| 140 | Plum Creek Energy, LLC | Ellinwood, KS 67526 | Oil & Gas Operator | Feb 2026 |
| 141 | Popp Operating, Inc. | Hoisington, KS 67544 | Oil Operator | Feb 2026 |
| 142 | Premier Oil & Exploration Inc | Hutchinson, KS 67502 | Oil & Gas Operator | Feb 2026 |
| 143 | Price Robert R O | | Oil Operator | Apr 1995 |
| 144 | Princ, Frank | Wilson, KS 67490 | Oil Operator | Oct 2025 |
| 145 | R & D Oil & Gas | Exeter, CA 93221-9697 | Oil & Gas Operator | Aug 2019 |
| 146 | Rains & Williams | | Oil & Gas Operator | Nov 1995 |
| 147 | Rains & Williamson Oil Co Inc | Wichita, KS 67277 | Oil & Gas Operator | Feb 2026 |
| 148 | Rama Operating Company Inc | Stafford, KS 67578 | Oil & Gas Operator | Mar 2026 |
| 149 | Range Oil Co., Inc. | Wichita, KS 67278 | Oil & Gas Operator | Jan 2020 |
| 150 | Range Oil Compan | | Oil & Gas Operator | Nov 1995 |
| 151 | Resource Operations Inc | Tulsa, OK 74157 | Oil & Gas Operator | May 2016 |
| 152 | RJM Company | Claflin, KS 67525 | Oil & Gas Operator | Feb 2026 |
| 153 | Rupe Oil Company Inc | Wichita, KS 67278 | Oil & Gas Operator | Feb 2026 |
| 154 | Samuel Gary Jr. & Associates, Inc. | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 155 | Santa Fe Pipe & | | Oil & Gas Operator | Dec 1991 |
| 156 | Scheck Oil Operation | | Oil & Gas Operator | Feb 2026 |
| 157 | Schmitt Carmen I | | Oil Operator | Dec 1996 |
| 158 | Siemsen Operating, LLC | Holyrood, KS 67450 | Oil Operator | Feb 2026 |
| 159 | Smith Oil Operations | | Oil & Gas Operator | Feb 2026 |
| 160 | Smith Richard F | | Oil Operator | Jun 1995 |
| 161 | Smith, Darrin R | Wilson, KS 67490 | Oil Operator | Jan 2026 |
| 162 | Standard Operating Company | Wichita, KS 67205 | Oil & Gas Operator | Dec 2019 |
| 163 | Stephenson L G & | | Oil Operator | Apr 1987 |
| 164 | Stratakan Exploration, LLC | Plainville, KS 67663 | Oil & Gas Operator | Feb 2026 |
| 165 | Te-Pe Oil & Gas | | Oil & Gas Operator | Feb 2026 |
| 166 | Texkan Resources, LLC | Odessa, TX 79765 | Oil & Gas Operator | Jun 2025 |
| 167 | Thomas Garner, Inc. | St John, KS 67576 | Oil & Gas Operator | Feb 2026 |
| 168 | Thunderbird Dril | | Oil & Gas Operator | Nov 1995 |
| 169 | Tomkat Limited | | Oil & Gas Operator | Jul 1995 |
| 170 | Tomlinson, Sid | Hays, KS 67601 | Oil & Gas Operator | Sep 2002 |
| 171 | Trans Pacific Oil Corporation | Wichita, KS 67202 | Oil & Gas Operator | Mar 2026 |
| 172 | Trek Aec, LLC | Wichita, KS 67202 | Oil & Gas Operator | Feb 2026 |
| 173 | Unknown | Houston, TX 77208 | Oil & Gas Operator | Dec 2024 |
| 174 | Val Energy, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Feb 2026 |
| 175 | Vess Oil Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2026 |
| 176 | Viable Resources | | Oil Operator | Dec 1984 |
| 177 | Vonfeldt Oil Ope | | Oil Operator | Oct 1994 |
| 178 | WM KS Energy Resources LLC | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2019 |
| 179 | Woodman & Iannit | | Oil & Gas Operator | Sep 1996 |
| 180 | Younger Energy Company | Wichita, KS 67206 | Oil & Gas Operator | Jun 2026 |