| 1 | American Energy Resources, LLC | Belton, MO 64012 | Oil Operator | Dec 2019 |
| 2 | American Natural Gas Inc | Saint Clairsville, OH 43950 | Oil & Gas Operator | Dec 2020 |
| 3 | Appalachian Resources Of Florida, LLC | Fort Myers, FL 33902 | Oil & Gas Operator | Dec 2024 |
| 4 | Bradley, Charles R Dba Basin Energy Co | Prestonsburg, KY 41653 | Oil & Gas Operator | Dec 2024 |
| 5 | Bretagne, G P | Beattyville, KY 41311 | Oil & Gas Operator | Dec 2023 |
| 6 | Bretagne, LLC | Beattyville, , K 41311 | Oil Operator | Dec 2024 |
| 7 | Charmane Oil Corp | | Oil Operator | Dec 2014 |
| 8 | Chesapeake Appalachia, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2025 |
| 9 | Cobra Petroleum Production Corp | | Oil & Gas Operator | Dec 2018 |
| 10 | Core Appalachia Operating LLC | Charleston, WV 25362 | Oil & Gas Operator | Dec 2024 |
| 11 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Apr 2026 |
| 12 | Eqt Production Company | Pittsburg, PA 15222 | Oil & Gas Operator | Feb 2026 |
| 13 | Eureka Oil And Gas LLC | Columbus, OH 43230 | Oil Operator | Dec 2020 |
| 14 | First South Energy Corp | Hartland, WI 53029 | Oil & Gas Operator | Dec 2014 |
| 15 | Gulf Oil Corp. | Denver, CO 80201-0599 | Oil & Gas Operator | Dec 2014 |
| 16 | Interstate Natural Gas Company, LLC | Pikeville, KY 41502 | Oil & Gas Operator | Dec 2024 |
| 17 | Lear Oil, LLC | Junction City, KY 40440 | Oil Operator | Dec 2023 |
| 18 | Lindsey, W W & Elliott, W E | | Oil & Gas Operator | Dec 2024 |
| 19 | Marco Oil Company | Sparta, KY 41086 | Oil Operator | Dec 2021 |
| 20 | Perdue-Davidson Oil Co | | Oil & Gas Operator | Dec 2021 |
| 21 | Perkins, Don & Assoc, Inc | | Oil Operator | Dec 2011 |
| 22 | Petroleum Exploration Co | | Oil Operator | Dec 2024 |
| 23 | Pipeline Holdings, Inc | | Gas Operator | Dec 2012 |
| 24 | Preston Oil Co | Woodlands, TX 77380 | Oil & Gas Operator | Dec 2009 |
| 25 | Primo Petroleum, LLC | Austin, TX 78729 | Oil Operator | Dec 2019 |
| 26 | Primrose Oil LLC | Oil Springs, KY 41238 | Oil & Gas Operator | Dec 2024 |
| 27 | Ravenna Oil Co | Beattyville, KY 41311 | Oil Operator | Dec 2023 |
| 28 | Roberts, Oliver M | | Oil & Gas Operator | Dec 2021 |
| 29 | Rogers, Clyde | Zellwood, FL 32798 | Oil Operator | Dec 2023 |
| 30 | Schuster Homes Inc | Rangely, CO 81648 | Oil & Gas Operator | Apr 2013 |
| 31 | Shale Energy LLC | Jeffersonville, KY 40337 | Oil Operator | Dec 2018 |
| 32 | Sipple Oil Co | Beattyville, KY 41311 | Oil Operator | Dec 2012 |
| 33 | Slone Energy, LLC | Oil Springs, KY 41238 | Oil & Gas Operator | Dec 2024 |
| 34 | South Fork Energy, LLC - (Ca) | | Oil Operator | Dec 2021 |
| 35 | Transatlantic Expl LTD Dba Ravenna Oil | Beattyville, KY 41311 | Oil Operator | Dec 2023 |
| 36 | Triad Hunter, LLC | Spring, TX 77389 | Oil & Gas Operator | Dec 2021 |
| 37 | Triad Resources Inc | Spring, TX 77389 | Oil & Gas Operator | Dec 2020 |
| 38 | Uae Investco 2 (Lee), LLC | Ravenna, KY 40472 | Oil Operator | Dec 2021 |
| 39 | Unknown | Houston, TX 77208 | Oil & Gas Operator | Dec 2024 |
| 40 | Walker Resources Co, LLC | | Oil & Gas Operator | Dec 2013 |
| 41 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2023 |