| 201 | Badger Oil/Clovelly Oil | | Oil & Gas Operator | Oct 2004 |
| 202 | Badlands Energy-Utah, LLC | Denver, CO 80237 | Oil & Gas Operator | Feb 2018 |
| 203 | Badlands Production Company | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Sep 2018 |
| 204 | Bagby Energy LLC | Fort Smith, AR 72913 | Gas Operator | Apr 2010 |
| 205 | Bagley, Roy | Magnolia, TX 77354 | Oil & Gas Operator | Jun 2026 |
| 206 | Bah-Pepper Operating, LLC | Nocona, TX 76255 | Oil & Gas Operator | Jun 2026 |
| 207 | Baham Energy Services, LLC | | Oil Operator | Dec 2024 |
| 208 | Bahan Er Testamentary Trust | Fort Worth, TX 76116-5731 | Oil & Gas Operator | Apr 2014 |
| 209 | Bahlburg Exploration Inc | Plano, TX 750866937 | Oil & Gas Operator | Jun 1996 |
| 210 | Bahr Oil & Gas | Shalimar, FL 32579 | Oil & Gas Operator | Jun 2026 |
| 211 | Bailer And Deshaw | | Oil Operator | Dec 2020 |
| 212 | Bailer Oil Company LLC | | Oil Operator | Dec 2025 |
| 213 | Bailey & Holden Energy LLC | Warren, PA 16365-7220 | Oil & Gas Operator | Dec 2025 |
| 214 | Bailey Boy Oil | | Oil Operator | Jan 2026 |
| 215 | Bailey C A | Nowata, OK 74048-0206 | Oil Operator | Aug 1999 |
| 216 | Bailey David A | Mounds, OK 74047 | Oil & Gas Operator | Feb 2026 |
| 217 | Bailey Lorene Estate Of | Fort Collins, CO 80525 | Oil Operator | Feb 2012 |
| 218 | Bailey Michael L & Pamela D Dba MPB Oil & Gas | Paden, OK 74860-9789 | Oil & Gas Operator | Mar 2026 |
| 219 | Bailey Oil Co., Inc. | Neodesha, KS 66757 | Oil Operator | Dec 2009 |
| 220 | Bailey Oil Corp | Bartlesville, OK 74006 | Oil & Gas Operator | Dec 2025 |
| 221 | Bailey Petroleum, Inc. | League City, TX 77573 | Oil & Gas Operator | Jun 2026 |
| 222 | Bailey Richard Leon | Paden, OK 74860-7152 | Oil & Gas Operator | Mar 2026 |
| 223 | Bailey Sharon | Centerville, KS 66014 | Oil Operator | Sep 1997 |
| 224 | Bailey, Albian W., Jr. | Neodesha, KS 66757 | Oil Operator | Nov 2009 |
| 225 | Bailey, Gene M. | Neodesha, KS 66757 | Oil Operator | Nov 2009 |
| 226 | Bailey, Harold B | Owensboro, KY 42303 | Oil Operator | Dec 2021 |
| 227 | Bailey, L. J. | Pleasanton, TX 78064 | Oil & Gas Operator | Jul 2003 |
| 228 | Bailey, S. H. | | Oil & Gas Operator | Jul 1995 |
| 229 | Bain Resources, Inc. | Arlington, TX 76012 | Oil & Gas Operator | Mar 2026 |
| 230 | Bainbridge Uinta LLC | Dallas, TX 75205 | Oil & Gas Operator | May 2021 |
| 231 | Bair'S Lease Service, Inc. | Luling, TX 78648 | Oil & Gas Operator | Jun 2026 |
| 232 | Bair, Orville L. | Burden, KS 67019 | Oil & Gas Operator | Oct 2003 |
| 233 | Baird Bros Sawmill Inc | Canfield, OH 44406 | Oil & Gas Operator | Dec 2012 |
| 234 | Baird Family Limited Partnership | Canfield, OH 44406 | Oil & Gas Operator | Dec 2025 |
| 235 | Baird Oil Company Inc | Lewisville, TX 75067 | Oil & Gas Operator | Jun 2026 |
| 236 | Baird Oil Company LLC | Logan, KS 67646 | Oil Operator | Feb 2026 |
| 237 | Baja Production | Bridgeport, TX 76426 | Oil & Gas Operator | Jun 2026 |
| 238 | Baker Corporation | | Oil Operator | Dec 2025 |
| 239 | Baker Eberle Energy Corp | Blackwell, OK 74631 | Oil & Gas Operator | Mar 2015 |
| 240 | Baker Gas Inc | Worthington, PA 16262-0739 | Gas Operator | Mar 2026 |
| 241 | Baker Oil & Gas | St Louisville, OH 43071 | Oil & Gas Operator | Sep 2014 |
| 242 | Baker Oil And Gas Company | | Gas Operator | Dec 1997 |
| 243 | Baker Oil Co | Leitchfield, KY 42754 | Oil & Gas Operator | Dec 2023 |
| 244 | Baker Oil Incorp | | Oil Operator | Oct 1985 |
| 245 | Baker Operating, Inc. | Odessa, TX 79764 | Oil & Gas Operator | Jun 2026 |
| 246 | Baker Petroleum | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Oct 1999 |
| 247 | Baker Resources | San Angelo, TX 76902 | Oil & Gas Operator | Aug 2021 |
| 248 | Baker Resources, LLC | San Angelo, TX 76902 | Oil & Gas Operator | Jun 2026 |
| 249 | Baker, Brent Oil & Gas, Inc. | New Castle, OK 73065 | Oil & Gas Operator | Jun 2026 |
| 250 | Baker, Charles And Stephanie | Falconer, NY 14733 | Gas Operator | Dec 2024 |
| 251 | Baker, James J. & Jacqueline J. | Mayville, NY 14757 | Gas Operator | Dec 2024 |
| 252 | Baker, Jessup J. | Mayville, NY 14757 | Gas Operator | Dec 2024 |
| 253 | Baker-Dickey Partnership | | Oil Operator | Dec 1992 |
| 254 | Bakersfield Energy Resources Inc. | | Oil & Gas Operator | Dec 1998 |
| 255 | Bakerwell Inc | Killbuck, OH 44637 | Oil & Gas Operator | Dec 2025 |
| 256 | Bakin Oil & Gas Inc | | Oil & Gas Operator | Apr 2020 |
| 257 | Bakken Hunter, LLC | | Oil & Gas Operator | Jun 2017 |
| 258 | Balance Production Corporation | Temple, TX 76503 | Oil & Gas Operator | Sep 2025 |
| 259 | Balcerzak, Mr. & Mrs. Raymond R., SR. | Alden, NY 14004 | Gas Operator | Dec 2024 |
| 260 | Balco Energy Corporation | | Oil & Gas Operator | Jul 1983 |
| 261 | Balco Energy Inc | Duncan, OK 73533 | Oil & Gas Operator | Feb 2026 |
| 262 | Balcones Production Company | Houston, TX 77002 | Oil & Gas Operator | Feb 1996 |
| 263 | Bald Eagle Operating Inc. | Midland, TX 79707 | Oil & Gas Operator | Jun 2026 |
| 264 | Bald Hill Oil | Sheffield, PA 16347-0274 | Oil & Gas Operator | Dec 2025 |
| 265 | Baldes Henry | Riverton, WY 82501 | Oil Operator | Dec 1998 |
| 266 | Baldrachi Oil Properties LLC | Bartlesville, OK 74006-1622 | Oil Operator | Mar 2026 |
| 267 | Baldridge, Fred D | | Oil & Gas Operator | Jul 2018 |
| 268 | Baldwin And Baldwin Oil Co. | Midland, TX 79702 | Oil & Gas Operator | Aug 1993 |
| 269 | Baldwin Lynch Energy Corp. | Fort Collins, CO 80525-3354 | Oil Operator | Apr 2026 |
| 270 | Baldwin, C. R. Jr. | South Bend, TX 76481 | Oil & Gas Operator | Feb 2000 |
| 271 | Baldwin, Daniel | Little Genesee, NY 14754 | Oil & Gas Operator | Dec 2024 |
| 272 | Bale Charles R | Oklahoma City, OK 73116 | Oil & Gas Operator | Dec 2014 |
| 273 | Bale Corporation (The) | Edmond, OK 73083-6863 | Oil & Gas Operator | Dec 2019 |
| 274 | Bales, D. F. & M. L. | Burkburnett, TX 76354 | Oil & Gas Operator | Jun 2026 |
| 275 | Bali Oil Co. | | Oil & Gas Operator | Dec 2003 |
| 276 | Balidor Oil & Gas LLC | Houston, TX 77070 | Oil & Gas Operator | Oct 2021 |
| 277 | Balko, Inc. | Conrad, MT 59425 | Oil & Gas Operator | Jan 2026 |
| 278 | Ball Marketing, Inc. | | Oil & Gas Operator | Sep 1999 |
| 279 | Ball Producing Co. | Argyle, TX 76226 | Oil & Gas Operator | Jun 2026 |
| 280 | Ball Resources Inc | Alliance, OH 44601 | Oil & Gas Operator | Dec 2001 |
| 281 | Ball, D. A. | El Dorado, KS 67042 | Oil Operator | Dec 2000 |
| 282 | Ballantyne Oil | | Oil & Gas Operator | Jul 2010 |
| 283 | Ballantyne Oil, LLC | | Oil & Gas Operator | Mar 2023 |
| 284 | Ballantyne Ventures LLC | Shelby, MT 59474 | Oil & Gas Operator | Dec 2025 |
| 285 | Ballard & Associates Inc | Billings, MT 59102-5406 | Oil & Gas Operator | Feb 2000 |
| 286 | Ballard Exploration Company,Inc. | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 287 | Ballard Lance E | | Oil Operator | Dec 1993 |
| 288 | Ballard Oil Inc. | | Oil & Gas Operator | Mar 2026 |
| 289 | Ballard Petroleum Holdings LLC | Billings, MT 59104 | Oil & Gas Operator | Apr 2026 |
| 290 | Ballard Petroleum LLC | Billings, MT 59102-5406 | Oil & Gas Operator | Apr 2014 |
| 291 | Ballew Oil & Gas Inc | Yale, OK 74085 | Oil Operator | Sep 1995 |
| 292 | Ballou Energy | | Oil Operator | Feb 2026 |
| 293 | Ballou Enterprises, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Jan 1997 |
| 294 | Ballou Oil Well | | Oil Operator | Mar 1995 |
| 295 | Ballou Oil Well Service | | Oil Operator | Feb 2026 |
| 296 | Ballyoil Inc | Chickasha, OK 73018 | Oil & Gas Operator | Jul 2023 |
| 297 | Balsam R C | | Oil & Gas Operator | Apr 1991 |
| 298 | Baltic Royalty Corp. | Dallas, TX 75209 | Oil & Gas Operator | Mar 2008 |
| 299 | Bam Energy Inc | San Antonio, TX 78216 | Gas Operator | Sep 1991 |
| 300 | Bam Operating, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Nov 2014 |