| 201 | Pin Oak Operating, LLC | | Gas Operator | Dec 2021 |
| 202 | Postrock Eastern Production LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Oct 2020 |
| 203 | Prenco | Vienna, WV 26105 | Oil & Gas Operator | Dec 2021 |
| 204 | Prime Operating Company | Houston, TX 77024 | Oil & Gas Operator | Jul 2025 |
| 205 | Prior, Ferrell L | | Oil & Gas Operator | Dec 2021 |
| 206 | Professional Oilfield Services, Inc. | Byesville, OH 43723 | Oil & Gas Operator | Dec 2021 |
| 207 | Prusack, James | Grantsville, WV 26147-0180 | Oil & Gas Operator | Dec 2021 |
| 208 | Putnam, William H | Marietta, OH 45750 | Oil & Gas Operator | Dec 2022 |
| 209 | R & B Petroleum, Inc. | Scarsdale, NY 10583 | Oil & Gas Operator | Dec 2021 |
| 210 | R & R Oil & Gas LLC | Big Spring, TX 79720 | Oil & Gas Operator | Dec 2024 |
| 211 | R. D. Wiles, Inc. | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 212 | Ramco Energy Corporation | FT. Lauderdale, FL 33312 | Oil & Gas Operator | Dec 2008 |
| 213 | Range Resources Appalachia LLC | Canonsburg, PA 15317 | Oil & Gas Operator | May 2025 |
| 214 | Rare Earth Minerals, Inc. | | Oil & Gas Operator | Dec 2014 |
| 215 | Red Gas Company | Weston, WV 26452-0000 | Oil & Gas Operator | Dec 2021 |
| 216 | Ritchie Petroleum Corporation, Inc. | Pennsboro, WV 26415-0000 | Oil & Gas Operator | Dec 2021 |
| 217 | Roger'S Properties LLC | Harrisville, WV 26362 | Oil & Gas Operator | Dec 2021 |
| 218 | Ross & Wharton Gas Co Inc | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 219 | Sampson, Lowell | | Oil & Gas Operator | Dec 2001 |
| 220 | Sanovic Gas, LLC | Sewickley, PA 15143 | Gas Operator | Dec 2021 |
| 221 | Sardis Gas, LLC | Mineral Wells, WV 26150 | Oil & Gas Operator | Dec 2024 |
| 222 | Schultz Run Gas Company | | Oil & Gas Operator | Dec 2021 |
| 223 | Sears Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 224 | Shale Service, Inc. | | Oil & Gas Operator | Apr 2019 |
| 225 | Silver Run Oil & Gas | | Oil & Gas Operator | Dec 2021 |
| 226 | Sioux Gas Company | | Oil & Gas Operator | Dec 2021 |
| 227 | Smith, Walter E | Grantsville, WV 26147-0000 | Oil & Gas Operator | Dec 2021 |
| 228 | Solomon Production Corporation | Pullman, WV 26421-0003 | Oil & Gas Operator | Dec 2021 |
| 229 | Southern Triangle Oil | | Oil & Gas Operator | Dec 2000 |
| 230 | Spencer Enterprises Dba Hugh Spencer | Smithburg, WV 26436-0000 | Oil & Gas Operator | Dec 2021 |
| 231 | Stalnaker Energy Corporation | | Oil & Gas Operator | Dec 2021 |
| 232 | Stalnaker, William K | | Oil & Gas Operator | Dec 2008 |
| 233 | Standard Oil Company, Inc. | Parkesburg, WV 26103 | Oil & Gas Operator | Mar 2022 |
| 234 | Stephen L Satterfield Production Company | Grantsville, WV 26147-0757 | Oil & Gas Operator | Nov 2021 |
| 235 | Strategic Well Holdings, Inc. | | Oil & Gas Operator | Dec 2020 |
| 236 | Subsurface Energy, Inc. | | Oil & Gas Operator | Oct 2015 |
| 237 | Sugar Rock Incorporated | | Oil & Gas Operator | Dec 2021 |
| 238 | Summers Petroleum Inc | | Oil & Gas Operator | Dec 2002 |
| 239 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
| 240 | Syndex Resources, Inc. | Wellesley, MA 02181-000 | Oil & Gas Operator | Dec 2021 |
| 241 | Taines, Michael Enterprises | | Oil & Gas Operator | Dec 2021 |
| 242 | Tapo Energy, LLC | West Union, WV 26456 | Oil & Gas Operator | Dec 2021 |
| 243 | Targa Development, Inc. | Clarksburg, WV 26301-0000 | Oil & Gas Operator | Dec 2021 |
| 244 | Ten A Coal Company | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2020 |
| 245 | Tender Equity Corporation | Marietta, OH 45750 | Oil & Gas Operator | Dec 2007 |
| 246 | Tenmile Land Limited Liability Company | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2021 |
| 247 | Term Energy Corp. | Harrisville, WV 26362-0000 | Oil & Gas Operator | Dec 2021 |
| 248 | The Glass Development Company | St. Marys, WV 26170-0000 | Oil & Gas Operator | Dec 2021 |
| 249 | TNG, Inc. | | Oil & Gas Operator | Dec 1996 |
| 250 | Tower Drilling Corporation | | Oil & Gas Operator | Dec 2021 |
| 251 | Tri-County Oil & Gas, Inc. | Fairmont, WV 26555-0000 | Oil & Gas Operator | Dec 2019 |
| 252 | Tri-Crude Oil & Gas | Harrisville, WV 26362-0000 | Oil & Gas Operator | Dec 2021 |
| 253 | Triad Energy, Inc. | Oklahoma City, OK 73105-1401 | Oil & Gas Operator | May 2025 |
| 254 | Triad Hunter, LLC | Spring, TX 77389 | Oil & Gas Operator | Dec 2021 |
| 255 | Triad Resources Inc | Spring, TX 77389 | Oil & Gas Operator | Dec 2020 |
| 256 | Trio Petroleum Corp. | Glenville, WV 26351-0880 | Oil & Gas Operator | Jul 2016 |
| 257 | TSR Enterprises, LLC | Harrisville, WV 26362-7631 | Oil & Gas Operator | Dec 2021 |
| 258 | Ullum Oil And Gas Development Corporation, Inc. | Grantsville, WV 26147-0000 | Oil & Gas Operator | Dec 2021 |
| 259 | Umc Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 260 | United Operating Company | Olney, TX 76374 | Oil & Gas Operator | Aug 2003 |
| 261 | United Petro LTD. | | Oil & Gas Operator | Dec 2018 |
| 262 | Vescal Corporation | Elizabeth, WV 26143-0000 | Oil & Gas Operator | Dec 2017 |
| 263 | Viking International Resources Co., Inc. | | Oil & Gas Operator | Dec 2020 |
| 264 | W. E. B. Well Tending Service, Inc. | Vienna, WV 26105 | Oil & Gas Operator | Nov 2011 |
| 265 | Welch Oil & Gas Company | Parkersburg, WV 26104 | Oil & Gas Operator | Jun 2013 |
| 266 | Whitnam Oil & Gas Corp. | Glenville, WV 26351 | Oil & Gas Operator | Dec 2009 |
| 267 | Williams Well Surveys Inc. | | Oil & Gas Operator | Dec 1996 |
| 268 | Willow Run Corporation | | Oil & Gas Operator | Dec 2021 |
| 269 | WV Wells, LTD | | Oil & Gas Operator | Nov 2021 |
| 270 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Jul 2025 |
| 271 | Zickefoose, R. L. And W.F. | Burgettstown, PA 15021 | Oil & Gas Operator | Dec 2021 |