| 1 | American Warrior Inc | Garden City, KS 67846 | Oil & Gas Operator | Feb 2025 |
| 2 | Arrowhead Exploration, LLC | Hays, KS 67601 | Oil Operator | Jan 2025 |
| 3 | Arrowhead Petrol | | Oil & Gas Operator | Feb 1992 |
| 4 | Bengalia Land And Cattle Company | Tulsa, OK 74152 | Oil & Gas Operator | Jan 2025 |
| 5 | Carmen Schmitt, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Jan 2025 |
| 6 | Continental Ener | | Oil & Gas Operator | Dec 1996 |
| 7 | Edison Operating Company LLC | Wichita, KS 67226 | Oil & Gas Operator | Jan 2025 |
| 8 | F & M Oil Compan | | Oil & Gas Operator | Feb 1993 |
| 9 | Falcon Exploration, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Jan 2025 |
| 10 | Gary-Williams Oi | | Oil & Gas Operator | Jun 1989 |
| 11 | Gear Petroleum Company, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2009 |
| 12 | Great Plains Petroleum, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Jan 2025 |
| 13 | H & C Oil Operat | | Oil & Gas Operator | Dec 1996 |
| 14 | H & C Oil Operating Inc. | Plainville, KS 67663 | Oil & Gas Operator | Jan 2025 |
| 15 | Hadson Petroleum | | Oil Operator | Sep 1988 |
| 16 | Hartman Oil Co., Inc. | Wichita, KS 67206 | Oil & Gas Operator | Jan 2025 |
| 17 | Hembree Robert F | | Oil Operator | Dec 2009 |
| 18 | Herman L. Loeb, LLC | Lawrenceville, IL 62439 | Oil & Gas Operator | Jan 2025 |
| 19 | HJ, Inc. | Garden City, KS 67846 | Oil & Gas Operator | Jan 2025 |
| 20 | Irex Corporation | Englewood, CO 80111 | Oil & Gas Operator | May 2000 |
| 21 | L. D. Drilling, Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Jan 2025 |
| 22 | Lasso Energy LLC | Chase, KS 67524 | Oil & Gas Operator | Jan 2025 |
| 23 | McCoy Petroleum Corporation | Wichita, KS 67207 | Oil & Gas Operator | Apr 2025 |
| 24 | Meyer Douglas P | Longmont, CO 80501 | Oil & Gas Operator | Aug 2006 |
| 25 | Mull Drilling Company | Wichita, KS 67206 | Oil & Gas Operator | Mar 2025 |
| 26 | Norstar Petroleum Inc | Englewood, CO 80112 | Oil & Gas Operator | Jan 2025 |
| 27 | Opco LLC | Chase, KS 67524 | Oil Operator | Dec 2019 |
| 28 | Petroleum Incorp | | Oil & Gas Operator | Apr 1993 |
| 29 | Petroleum Proper | | Oil & Gas Operator | Nov 1995 |
| 30 | Petroleum Property Services, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Jan 2025 |
| 31 | Pintail Petroleum, LTD. | Wichita, KS 67202 | Oil & Gas Operator | Apr 2021 |
| 32 | Prater Oil & Gas Operations, Inc. | Pratt, KS 67124 | Oil & Gas Operator | Jan 2025 |
| 33 | Quinque Operating Company | Liberal, KS 67905 | Oil & Gas Operator | Jan 2025 |
| 34 | Rains & Williams | | Oil & Gas Operator | Nov 1995 |
| 35 | Raydon Exploration, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | May 2025 |
| 36 | Raymond Oil Co., Inc. | Wichita, KS 67201 | Oil & Gas Operator | Jan 2025 |
| 37 | Redland Resources, LLC | Oklahoma City, OK 73127 | Oil & Gas Operator | Mar 2025 |
| 38 | Renick Energy, L.C. | Cimarron, KS 67835 | Gas Operator | Apr 2016 |
| 39 | Ring Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 40 | Ritchie Explorat | | Oil & Gas Operator | Dec 1996 |
| 41 | Sandridge Exploration And Production LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | May 2025 |
| 42 | Slawson, Donald C. | Wichita, KS 67202 | Oil & Gas Operator | Oct 2024 |
| 43 | Sunflower Energy, LLC | Overland Park, KS 66210 | Oil Operator | Dec 2019 |
| 44 | Thunderbird Dril | | Oil & Gas Operator | Nov 1995 |
| 45 | Unknown | Houston, TX 77208 | Oil & Gas Operator | Dec 2023 |
| 46 | Wood McShane & T | | Oil Operator | Nov 1987 |