| 9101 | El Tres Petr. Corp. | | Oil & Gas Operator | Jan 1984 |
| 9102 | El-Kan Exploration | Garfield, KS 67529 | Oil Operator | Jul 1997 |
| 9103 | El-Oil, LTD. | | Oil & Gas Operator | Nov 2024 |
| 9104 | Elad Petroleum Corporation | | Oil Operator | Jun 2005 |
| 9105 | Elahs Gas Co., Inc. | | Oil & Gas Operator | Dec 2021 |
| 9106 | Elam, Jack G. | Midland, TX 79702 | Oil & Gas Operator | Dec 2002 |
| 9107 | Elam, Jack G., Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2002 |
| 9108 | Elan Energy Inc | Toledo, OH 43604-1207-1207 | Oil & Gas Operator | Dec 1990 |
| 9109 | Eland Energy Inc | Dallas, TX 75248 | Oil & Gas Operator | Mar 2025 |
| 9110 | Elb Enterprise LLC | | Oil Operator | Jan 2025 |
| 9111 | Elba Oil Company LLC | Macksburg, OH 45746 | Oil Operator | Dec 2024 |
| 9112 | Elco Oil & Gas | San Angelo, TX 76902 | Oil & Gas Operator | Dec 2014 |
| 9113 | Elco Oil & Gas, Inc. | San Angelo, TX 76902 | Oil & Gas Operator | May 2025 |
| 9114 | Elco Resources LLC | Owasso, OK 74055-7575 | Oil & Gas Operator | Mar 2025 |
| 9115 | Elder & Vaughn Inc | Oklahoma City, OK 73154-0938 | Oil & Gas Operator | Mar 2008 |
| 9116 | Elder Oil & Gas Co | Parker, PA 16049-6426 | Oil & Gas Operator | Dec 2024 |
| 9117 | Elder Oil Co. | West Union, WV 26456 | Oil & Gas Operator | Dec 2021 |
| 9118 | Eldon Oil Co. | Three Rivers, TX 78071 | Oil & Gas Operator | May 2025 |
| 9119 | Eldon Radke | | Oil Operator | May 2001 |
| 9120 | Eldorado Gas Inc. | | Oil & Gas Operator | May 1986 |
| 9121 | Eldorado Oil And Gas, Inc. | Dallas, TX 75230 | Oil & Gas Operator | Nov 1995 |
| 9122 | Eldorado Operating Co. | Dallas, TX 75230 | Oil & Gas Operator | Jul 2004 |
| 9123 | Eldred Prod And Consulting, LLC | Nocona, TX 76255 | Oil Operator | May 2025 |
| 9124 | Elec Materials Co | North East, PA 16428-1539 | Gas Operator | Dec 1994 |
| 9125 | Electragas, Inc. | Houston, TX 77064 | Oil Operator | May 2025 |
| 9126 | Elek Aaron III | | Oil Operator | Jul 2005 |
| 9127 | Elek Aaron III Estate | | Oil Operator | Feb 2015 |
| 9128 | Element Petro Operating II, LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2016 |
| 9129 | Element Petroleum Op III, LLC | Midland, TX 79710 | Oil & Gas Operator | May 2024 |
| 9130 | Element Petroleum Operating IV, | Midland, TX 79710 | Oil Operator | May 2025 |
| 9131 | Element Petroleum Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2015 |
| 9132 | Elendil Resources LLC | Pampa, TX 79066 | Oil & Gas Operator | May 2025 |
| 9133 | Eleon Operators, LLC | Katy, TX 77494 | Oil & Gas Operator | May 2025 |
| 9134 | Elephant Exploration Inc. | Hartville, OH 44632 | Oil & Gas Operator | Dec 2024 |
| 9135 | Elephant Oil & Gas, LLC | Dallas, TX 75204 | Oil & Gas Operator | Nov 2015 |
| 9136 | Elephant Operating LLC | Dallas, TX 75204 | Oil & Gas Operator | Mar 2025 |
| 9137 | Eleuterius Company | | Oil Operator | Jan 1983 |
| 9138 | Elevate Energy LTD | Aurora, CO 80016 | Oil & Gas Operator | Jan 2025 |
| 9139 | Elevation Resources LLC | Midland, TX 79701 | Oil & Gas Operator | May 2025 |
| 9140 | Eleven Eleven Investments, LLC | Hays, KS 67601 | Oil Operator | Oct 2024 |
| 9141 | Eleven K Oil & Gas LLC | Cushing, OK 74023 | Oil Operator | Mar 2025 |
| 9142 | Elf Aquitaine Inc | Houston, TX 77002 | Oil & Gas Operator | May 1991 |
| 9143 | Elf Aquitaine Operating, Inc. | | Oil & Gas Operator | Jan 1992 |
| 9144 | Elfco, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Jun 1996 |
| 9145 | Elgie Company, Inc. | | Oil & Gas Operator | Aug 1993 |
| 9146 | Elgin Construction Company Inc | Elgin, OK 73538-0370 | Oil Operator | Oct 2024 |
| 9147 | Elgin Energy Corp. | | Oil Operator | May 1995 |
| 9148 | Elh Energy LLC | Lubbock, TX 79464 | Oil & Gas Operator | Mar 2025 |
| 9149 | Eli Rebich | | Oil & Gas Operator | Dec 1986 |
| 9150 | Elint Operating Inc | Oklahoma City, OK 73106 | Oil & Gas Operator | May 1995 |
| 9151 | Elison Oil & Gas, Inc. | Montgomery, TX 77356 | Oil & Gas Operator | Oct 1999 |
| 9152 | Elite Group LLC | | Oil & Gas Operator | Nov 2024 |
| 9153 | Elite Resources Inc | Cleveland, OK 74020 | Oil & Gas Operator | Mar 2025 |
| 9154 | Elite Tank Trucks, Inc | | Oil & Gas Operator | Mar 2025 |
| 9155 | Elizabeth Oil Company | | Oil Operator | Oct 1999 |
| 9156 | Elk City Oil Field Service | Elk City, KS 67344 | Oil Operator | Oct 1996 |
| 9157 | Elk Energy Corporation | Denver, CO 80218 | Oil & Gas Operator | Mar 2008 |
| 9158 | Elk Energy Holdings LLC | Wichita, KS 67226 | Oil & Gas Operator | Jan 2025 |
| 9159 | Elk Exploration Inc | | Oil & Gas Operator | Jul 2001 |
| 9160 | Elk Meadows Resources LLC | Houston, TX 77037 | Oil & Gas Operator | Jan 2021 |
| 9161 | Elk Oil Co LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2018 |
| 9162 | Elk Oil Company | Overland Park, KS 66212 | Oil & Gas Operator | Sep 2007 |
| 9163 | Elk Oil Enterprises, LLC | Wetmore, KS 66550 | Oil Operator | Dec 2009 |
| 9164 | Elk Operating Services, LLC | Denver, CO 80203 | Oil & Gas Operator | Mar 2025 |
| 9165 | Elk Petroleum Inc | Casper, WY 82601 | Oil & Gas Operator | Aug 2014 |
| 9166 | Elk Production LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2011 |
| 9167 | Elk Production Uintah LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2014 |
| 9168 | Elk Resources, LLC | Denver, CO 80202 | Oil & Gas Operator | Apr 2011 |
| 9169 | Elk River Resources, LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Oct 2023 |
| 9170 | Elk San Juan, LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2014 |
| 9171 | Elk Slough Pipeline Co. | | Oil & Gas Operator | Dec 1999 |
| 9172 | Elkhead Gas & Oil Co | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 9173 | Elkhorn Exploration Co | Willis, TX 77378-8827 | Oil & Gas Operator | Feb 2025 |
| 9174 | Elkhorn Oil & Gas, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 1995 |
| 9175 | Elkhound Resources Inc | Wellsville, KS 66092 | Oil Operator | Aug 1998 |
| 9176 | Ellard I W | Bixby, OK 74008-0220 | Oil & Gas Operator | Jan 2007 |
| 9177 | Ellard Oil | Loving, TX 76460 | Oil & Gas Operator | May 2022 |
| 9178 | Ellard, Herman | Graham, TX 76450 | Oil & Gas Operator | Feb 2005 |
| 9179 | Ellbogen John P LTD | Casper, WY 82602 | Oil & Gas Operator | Mar 2025 |
| 9180 | Ellen P Sharp LLC | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2024 |
| 9181 | Ellington Energy, Inc. | Cherry Creek, NY 14723 | Gas Operator | Dec 2023 |
| 9182 | Ellinwood Oil Reclaiming Inc | | Oil Operator | Oct 2009 |
| 9183 | Ellinwood Tank Service, Inc. | Chase, KS 67524 | Oil Operator | Jul 2022 |
| 9184 | Elliott A Riggs | Farmington, NM 87499 | Gas Operator | Oct 2012 |
| 9185 | Elliott Co Inc | Jeannette, PA 15644-1474 | Gas Operator | Dec 2022 |
| 9186 | Elliott Inc | Roswell, NM 88201 | Oil & Gas Operator | Apr 1962 |
| 9187 | Elliott Land & Cattle Co., LLC | Waverly, WV 26184 | Gas Operator | Dec 2021 |
| 9188 | Elliott Oil & Gas Company | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2006 |
| 9189 | Elliott Oil & Gas Operating Co. | Magnolia, TX 77354 | Oil & Gas Operator | May 2025 |
| 9190 | Elliott Oil Co | Roswell, NM 88202 | Oil & Gas Operator | Nov 2001 |
| 9191 | Elliott Oil Company, L.P. | Magnolia, TX 77354 | Oil & Gas Operator | May 2025 |
| 9192 | Elliott Phillip | | Oil Operator | Feb 1992 |
| 9193 | Elliott Resources Inc | Ada, OK 74820-9227 | Oil & Gas Operator | Jul 2010 |
| 9194 | Elliott Underground LLC | | Oil Operator | Mar 2025 |
| 9195 | Elliott, Catherine | Waterville, NY 13480 | Gas Operator | Dec 2023 |
| 9196 | Elliott, W E & Elliott, W E Jr | Pikeville, KY 41502 | Gas Operator | Dec 2023 |
| 9197 | Elliott, W E Et Al | Pikeville, KY 41502 | Gas Operator | Dec 2023 |
| 9198 | Ellis Exploration, Inc. | Tyler, TX 75703 | Oil & Gas Operator | May 2025 |
| 9199 | Ellis M. Moore, Et Al | | Oil Operator | Mar 1986 |
| 9200 | Ellis Resources Group Inc | Rhinelander, WI 54501 | Oil Operator | Dec 2024 |