| 9201 | Eldorado Operating Co. | Dallas, TX 75230 | Oil & Gas Operator | Jul 2004 |
| 9202 | Eldred Prod And Consulting, LLC | Nocona, TX 76255 | Oil Operator | Feb 2026 |
| 9203 | Elec Materials Co | North East, PA 16428-1539 | Gas Operator | Dec 1994 |
| 9204 | Electragas, Inc. | Houston, TX 77064 | Oil Operator | Feb 2026 |
| 9205 | Elek Aaron III | | Oil Operator | Jul 2005 |
| 9206 | Elek Aaron III Estate | | Oil Operator | Feb 2015 |
| 9207 | Element Petro Operating II, LLC | Midland, TX 79701 | Oil & Gas Operator | Sep 2016 |
| 9208 | Element Petroleum Op III, LLC | Midland, TX 79710 | Oil & Gas Operator | May 2024 |
| 9209 | Element Petroleum Operating IV, LLC | Midland, TX 79710 | Oil Operator | Feb 2026 |
| 9210 | Element Petroleum Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2015 |
| 9211 | Elendil Resources LLC | Pampa, TX 79066 | Oil & Gas Operator | Feb 2026 |
| 9212 | Eleon Operators, LLC | Katy, TX 77494 | Oil & Gas Operator | Feb 2026 |
| 9213 | Elephant Exploration Inc. | Hartville, OH 44632 | Oil & Gas Operator | Dec 2024 |
| 9214 | Elephant Oil & Gas, LLC | Dallas, TX 75204 | Oil & Gas Operator | Nov 2015 |
| 9215 | Elephant Operating LLC | Dallas, TX 75204 | Oil & Gas Operator | Nov 2025 |
| 9216 | Eleuterius Company | | Oil Operator | Jan 1983 |
| 9217 | Elevate Energy LTD | Aurora, CO 80016 | Oil & Gas Operator | Sep 2025 |
| 9218 | Elevation Resources LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2026 |
| 9219 | Eleven Eleven Investments, LLC | Hays, KS 67601 | Oil Operator | Aug 2025 |
| 9220 | Eleven K Oil & Gas LLC | Cushing, OK 74023 | Oil Operator | Oct 2025 |
| 9221 | Elf Aquitaine Inc | Houston, TX 77002 | Oil & Gas Operator | May 1991 |
| 9222 | Elf Aquitaine Operating, Inc. | | Oil & Gas Operator | Jan 1992 |
| 9223 | Elfco, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Jun 1996 |
| 9224 | Elgie Company, Inc. | | Oil & Gas Operator | Aug 1993 |
| 9225 | Elgin Construction Company Inc | Elgin, OK 73538-0370 | Oil Operator | Sep 2025 |
| 9226 | Elgin Energy Corp. | | Oil Operator | May 1995 |
| 9227 | Elh Energy LLC | Lubbock, TX 79464 | Oil & Gas Operator | Jul 2025 |
| 9228 | Eli Rebich | | Oil & Gas Operator | Dec 1986 |
| 9229 | Elint Operating Inc | Oklahoma City, OK 73106 | Oil & Gas Operator | May 1995 |
| 9230 | Elison Oil & Gas, Inc. | Montgomery, TX 77356 | Oil & Gas Operator | Oct 1999 |
| 9231 | Elita, Inc. | Dallas, TX 75214 | Oil & Gas Operator | Dec 2016 |
| 9232 | Elite Group LLC | | Oil & Gas Operator | Oct 2025 |
| 9233 | Elite Resources Inc | Cleveland, OK 74020 | Oil & Gas Operator | Oct 2025 |
| 9234 | Elite Tank Trucks, Inc | | Oil & Gas Operator | Nov 2025 |
| 9235 | Elizabeth Oil Company | | Oil Operator | Oct 1999 |
| 9236 | Elk City Oil Field Service | Elk City, KS 67344 | Oil Operator | Oct 1996 |
| 9237 | Elk Energy Corporation | Denver, CO 80218 | Oil & Gas Operator | Mar 2008 |
| 9238 | Elk Energy Holdings LLC | Wichita, KS 67226 | Oil & Gas Operator | Sep 2025 |
| 9239 | Elk Meadows Resources LLC | Houston, TX 77037 | Oil & Gas Operator | Jan 2021 |
| 9240 | Elk Oil Co LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2018 |
| 9241 | Elk Oil Company | Overland Park, KS 66212 | Oil & Gas Operator | Sep 2007 |
| 9242 | Elk Oil Enterprises, LLC | Wetmore, KS 66550 | Oil Operator | Dec 2009 |
| 9243 | Elk Operating Services, LLC | Denver, CO 80203 | Oil & Gas Operator | Dec 2025 |
| 9244 | Elk Petroleum Inc | Casper, WY 82601 | Oil & Gas Operator | Aug 2014 |
| 9245 | Elk Production LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2011 |
| 9246 | Elk Production Uintah LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2014 |
| 9247 | Elk Resources, LLC | Denver, CO 80202 | Oil & Gas Operator | Apr 2011 |
| 9248 | Elk River Resources, LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Oct 2023 |
| 9249 | Elk San Juan, LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2014 |
| 9250 | Elk Slough Pipeline Co. | | Oil & Gas Operator | Dec 1999 |
| 9251 | Elkhead Gas & Oil Co | Newark, OH 43055 | Oil & Gas Operator | Dec 2024 |
| 9252 | Elkhorn Exploration Co | Willis, TX 77378-8827 | Oil & Gas Operator | Dec 2025 |
| 9253 | Elkhorn Oil & Gas, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 1995 |
| 9254 | Elkhound Resources Inc | Wellsville, KS 66092 | Oil Operator | Aug 1998 |
| 9255 | Ellard I W | Bixby, OK 74008-0220 | Oil & Gas Operator | Jan 2007 |
| 9256 | Ellard Oil | Loving, TX 76460 | Oil & Gas Operator | May 2022 |
| 9257 | Ellard, Herman | Graham, TX 76450 | Oil & Gas Operator | Feb 2005 |
| 9258 | Ellbogen John P LTD | Casper, WY 82602 | Oil & Gas Operator | Nov 2025 |
| 9259 | Ellen P Sharp LLC | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2024 |
| 9260 | Ellington Energy, Inc. | Cherry Creek, NY 14723 | Gas Operator | Dec 2024 |
| 9261 | Ellinwood Oil Reclaiming Inc | | Oil Operator | Oct 2009 |
| 9262 | Ellinwood Tank Service, Inc. | Chase, KS 67524 | Oil Operator | Jul 2022 |
| 9263 | Elliott A Riggs | Farmington, NM 87499 | Gas Operator | Oct 2012 |
| 9264 | Elliott Inc | Roswell, NM 88201 | Oil & Gas Operator | Apr 1962 |
| 9265 | Elliott Oil & Gas Company | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2006 |
| 9266 | Elliott Oil & Gas Operating Co. | Magnolia, TX 77354 | Oil & Gas Operator | Feb 2026 |
| 9267 | Elliott Oil Co | Roswell, NM 88202 | Oil & Gas Operator | Nov 2001 |
| 9268 | Elliott Oil Company, L.P. | Magnolia, TX 77354 | Oil & Gas Operator | Feb 2026 |
| 9269 | Elliott Phillip | | Oil Operator | Feb 1992 |
| 9270 | Elliott Resources Inc | Ada, OK 74820-9227 | Oil & Gas Operator | Jul 2010 |
| 9271 | Elliott Underground LLC | | Oil Operator | Oct 2025 |
| 9272 | Elliott, Catherine | Waterville, NY 13480 | Gas Operator | Dec 2024 |
| 9273 | Elliott, W E & Elliott, W E Jr | Pikeville, KY 41502 | Gas Operator | Dec 2023 |
| 9274 | Elliott, W E Et Al | Pikeville, KY 41502 | Gas Operator | Dec 2023 |
| 9275 | Ellis Exploration, Inc. | Tyler, TX 75703 | Oil & Gas Operator | Feb 2026 |
| 9276 | Ellis M. Moore, Et Al | | Oil Operator | Mar 1986 |
| 9277 | Ellis Resources Group Inc | Rhinelander, WI 54501 | Oil Operator | Aug 2025 |
| 9278 | Ellis Rolland | Henryetta, OK 74437-0536 | Oil & Gas Operator | Sep 2018 |
| 9279 | Ellis, Amon | Olney, TX 76374 | Oil & Gas Operator | Aug 2003 |
| 9280 | Ellison Lease Operating | Bridgeport, TX 76426 | Oil & Gas Operator | Feb 2026 |
| 9281 | Ellison, Dewitt, Jr. | Aspermont, TX 79502 | Oil & Gas Operator | Mar 2016 |
| 9282 | Ellithorp Production LLC | Lindsay, OK 73052-5013 | Oil & Gas Operator | Apr 2019 |
| 9283 | Ellora Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Feb 2026 |
| 9284 | Ellora LLC | Boulder, CO 80308 | Oil & Gas Operator | Feb 2009 |
| 9285 | Ellora Operating, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2011 |
| 9286 | Ells Jr Harry A | Englewood, CO 80150 | Gas Operator | Feb 2017 |
| 9287 | Ellstrom Energy Company | Kingwood, TX 77339 | Oil & Gas Operator | Nov 2000 |
| 9288 | Ellsworth Systems, Inc. | Wichita, KS 67202 | Oil & Gas Operator | May 2005 |
| 9289 | Ellsworth, H. P. O&G Properties | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Feb 2026 |
| 9290 | Ellvie Wells LLC | New Franklin, OH 44319 | Oil & Gas Operator | Dec 2024 |
| 9291 | Ellwood Exploration LLC | San Antonio, TX 78217 | Oil Operator | Oct 2025 |
| 9292 | Elm Creek Oil, LLC | | Oil Operator | Sep 2025 |
| 9293 | Elm Grove Production, LLC | Dallas, TX 75360 | Oil & Gas Operator | Feb 2026 |
| 9294 | Elm III Operating Company LLC | Edmond, OK 73013 | Oil & Gas Operator | Sep 2025 |
| 9295 | Elm Ridge Exploration Company | Dallas, TX 75243-9362 | Oil & Gas Operator | Jan 2019 |
| 9296 | Elm Ridge Exploration Company LLC | Bloomfield, NM 87413 | Oil & Gas Operator | Nov 2017 |
| 9297 | Elm Ridge Resources Inc | Dallas, TX 75243 | Oil & Gas Operator | Nov 2005 |
| 9298 | Elmer L. Karst Oil, A General Partnership | Russell, KS 67665 | Oil Operator | Sep 2025 |
| 9299 | Elmore Farm | | Oil Operator | Sep 2009 |
| 9300 | Elmore Production Services Inc | | Oil & Gas Operator | Dec 2008 |