| 1201 | Blackwell BMC, LLC | Dallas, TX 75204 | Oil & Gas Operator | Sep 2021 |
| 1202 | Blackwell BMC, LP | Dallas, TX 75252 | Oil & Gas Operator | Mar 2007 |
| 1203 | Blackwell Drilling Co. | Cameron, TX 76520 | Oil & Gas Operator | Nov 2004 |
| 1204 | Blackwell Exp & Development, LLC | Dallas, TX 75252 | Oil & Gas Operator | Nov 2023 |
| 1205 | Blackwell Exploration & Development LLC | Dallas, TX 75252 | Oil & Gas Operator | Jan 2024 |
| 1206 | Blackwell Operating Company | Houston, TX 77227 | Oil & Gas Operator | Jun 2007 |
| 1207 | Blade Oil Co. | Borger, TX 79007 | Oil & Gas Operator | Jun 1994 |
| 1208 | Blair Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2011 |
| 1209 | Blair Oil Company | Kingfisher, OK 73750-1213 | Oil & Gas Operator | Feb 2024 |
| 1210 | Blair, Jack N. | Midland, TX 79702 | Oil & Gas Operator | May 1996 |
| 1211 | Blair, R. W. | FT Stockton, TX 79735 | Oil & Gas Operator | Dec 2009 |
| 1212 | Blake Oil & Gas Corporation | Midland, TX 79701 | Oil & Gas Operator | May 2004 |
| 1213 | Blake Production Company, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 2024 |
| 1214 | Blakemore, Inc. | Richardson, TX 75080 | Oil & Gas Operator | Dec 2012 |
| 1215 | Blakenergy Operating, LLC | Spring, TX 77386 | Oil & Gas Operator | Apr 2024 |
| 1216 | Blalack, James William | Schertz, TX 78154 | Oil & Gas Operator | Apr 2024 |
| 1217 | Blanco Engineering Inc. | Artesia, NM 88210 | Oil & Gas Operator | Feb 1997 |
| 1218 | Blanco Oil Company | San Antonio, TX 78230 | Oil & Gas Operator | Aug 2010 |
| 1219 | Blazer Energy Corp. | Alexandria, VA 22314 | Oil & Gas Operator | Dec 2014 |
| 1220 | Blazer Resources, Inc. | Leesburg, TX 75451 | Oil & Gas Operator | Apr 2024 |
| 1221 | Bledsco, Inc. | Holliday, TX 76366 | Oil Operator | Feb 2010 |
| 1222 | Bledsoe Partners, Inc. | Oklahoma City, OK 73120 | Oil & Gas Operator | Mar 1995 |
| 1223 | Bledsoe Petro Corporation | Dallas, TX 75201 | Oil & Gas Operator | Dec 2000 |
| 1224 | Bledsoe, R.K. Trust Oil Operator | Jourdanton, TX 78026 | Oil & Gas Operator | Apr 2024 |
| 1225 | Blessing Energy, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Apr 2024 |
| 1226 | BLM Black Gold Properties, LTD. | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2024 |
| 1227 | Block "T" Petroleum, Inc. | Tyler, TX 75710 | Oil & Gas Operator | Apr 2024 |
| 1228 | Block T Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Dec 2023 |
| 1229 | Bloomer & Associates, Inc. | Lago VIsta, TX 78645 | Oil & Gas Operator | Jul 2002 |
| 1230 | Bloxom, John Tom | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2007 |
| 1231 | BLS Production Co., Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 1232 | BLS Resources, Inc. | Rosharon, TX 77583 | Oil & Gas Operator | Feb 2001 |
| 1233 | Bluco Production Co., Inc. | Austin, TX 78716 | Oil & Gas Operator | Apr 2024 |
| 1234 | Blue Darter Energy, LLC | Sunnyvale, TX 75182 | Oil & Gas Operator | Aug 2019 |
| 1235 | Blue Diamond Mountain, LLC | Marble Falls, TX 78654 | Oil Operator | Apr 2024 |
| 1236 | Blue Dolphin Production LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Feb 2024 |
| 1237 | Blue Dome Operating, LLC | Tulsa, OK 74103 | Gas Operator | Apr 2024 |
| 1238 | Blue Duck Corporation | Mont Belvieu, TX 77580 | Oil & Gas Operator | Sep 2011 |
| 1239 | Blue Marble Resources Op, LLC | Houston, TX 77027 | Oil & Gas Operator | Feb 2019 |
| 1240 | Blue Oil, Inc. | Burnet, TX 78611 | Oil & Gas Operator | Apr 2024 |
| 1241 | Blue Owl Energy LLC | Canada, 00100 | Oil Operator | Apr 2024 |
| 1242 | Blue Ox Resources Operating LLC | Dallas, TX 75201 | Oil & Gas Operator | Sep 2023 |
| 1243 | Blue Quail Oil Co. | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
| 1244 | Blue Ridge Group, Inc. | Bowling Green, KY 42101 | Oil & Gas Operator | Dec 2021 |
| 1245 | Blue Ridge Oil & Gas Exp., Inc. | Belleville, MI 48111 | Gas Operator | Jul 1994 |
| 1246 | Blue Ridge Operating Company,Inc | Ashland, OR 97520 | Oil & Gas Operator | Oct 1998 |
| 1247 | Blue Ridge Operating LLC | Willis, TX 77378 | Oil Operator | Apr 2024 |
| 1248 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
| 1249 | Blue River Inc. | Abilene, TX 79608 | Oil Operator | Apr 2024 |
| 1250 | Blue Sky Industries LLC | Greenville, TX 75403 | Oil Operator | Apr 2024 |
| 1251 | Blue Star Energy, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Apr 2024 |
| 1252 | Blue Star Gas Corporation | Norman, OK 73070 | Gas Operator | Apr 1993 |
| 1253 | Blue Star Natural Resources, LLC | San Angelo, TX 76906 | Oil & Gas Operator | Apr 2024 |
| 1254 | Blue Star Operating Company | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2024 |
| 1255 | Blue Wing Energy, Inc. | Portland, TX 78374 | Oil & Gas Operator | Apr 2024 |
| 1256 | Bluebonnet Energy Corporation | Englewood, CO 80112 | Oil & Gas Operator | Sep 2015 |
| 1257 | Bluebonnet Exploration Company | New Braunfels, TX 78130 | Oil & Gas Operator | Apr 2018 |
| 1258 | Bluebonnet Land & Cattle Co. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
| 1259 | Bluebonnet Oil & Gas | Three Rivers, TX 78071 | Oil & Gas Operator | Apr 2024 |
| 1260 | Bluebonnet Oil Corporation | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Jan 2024 |
| 1261 | Bluefin Resources LLC | Houston, TX 77079 | Oil & Gas Operator | Oct 2023 |
| 1262 | Bluegrass Energy Inc | Houston, TX 77057 | Oil & Gas Operator | Feb 2024 |
| 1263 | Bluejay Energy Corporation | Waxahachie, TX 75168 | Oil Operator | Feb 2008 |
| 1264 | Bluemark Energy LLC | Tulsa, OK 74135 | Oil & Gas Operator | Jan 2024 |
| 1265 | Bluestem Energy Holdings, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2015 |
| 1266 | Bluestem Natural Gas LLC | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2024 |
| 1267 | Bluestone Natural Res. II, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2019 |
| 1268 | Bluestone Natural Resources, LLC | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2015 |
| 1269 | Bluestone Production Company LP | Tulsa, OK 74105 | Oil & Gas Operator | Jun 2007 |
| 1270 | Bluff Creek Petroleum, LLC | Abilene, TX 79603 | Oil & Gas Operator | Apr 2024 |
| 1271 | BM Oil Company, LLC | Olney, TX 76374 | Oil Operator | Nov 2021 |
| 1272 | BMB Oil Production | Coleman, TX 76834 | Oil & Gas Operator | Feb 2007 |
| 1273 | BMBD Enterprises, LLC | Iowa Park, TX 76367 | Oil & Gas Operator | Apr 2024 |
| 1274 | BMR Operating LLC | Sadler, TX 76264 | Oil Operator | Apr 2024 |
| 1275 | BMW Services, LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Apr 2024 |
| 1276 | BNP Petroleum Corporation | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Apr 2024 |
| 1277 | BNR Operating, LLC | Houston, TX 77269 | Oil & Gas Operator | Apr 2024 |
| 1278 | Bo Dunagin Operating, LLC | Merkel, TX 79536 | Oil Operator | Mar 2019 |
| 1279 | Bo-MC Resources Corporation | Enid, OK 73702-1765 | Oil & Gas Operator | Apr 2005 |
| 1280 | Boaz Energy II Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Apr 2024 |
| 1281 | Boaz Energy, LLC | Midland, TX 79710 | Oil & Gas Operator | Mar 2014 |
| 1282 | Bob & Ted'S Operating | Lewisville, TX 75067 | Oil & Gas Operator | Apr 1993 |
| 1283 | Bob Hughes Oil Company, LLC | San Angelo, TX 76901 | Oil & Gas Operator | Apr 2024 |
| 1284 | Bob-Kat Oil Co. | Prairie Lea, TX 78661 | Oil & Gas Operator | Apr 2024 |
| 1285 | Bob-Pat Oil & Gas Co., Inc. | Victoria, TX 77902 | Oil & Gas Operator | Jun 2002 |
| 1286 | Bobwhite Production Company, Inc | Tulsa, OK 74112 | Oil & Gas Operator | Jan 2024 |
| 1287 | Bock & Bacon, Inc. | Houston, TX 77098 | Oil & Gas Operator | May 1999 |
| 1288 | Bockhoff, Deborah M. | Olney, TX 76374 | Oil Operator | Apr 2024 |
| 1289 | Bodark Oil Company | Ozona, TX 76943 | Oil & Gas Operator | Jul 2009 |
| 1290 | Bodden Production | Poth, TX 78147 | Oil & Gas Operator | Apr 2024 |
| 1291 | Boester, H. F. | Portland, TX 78374 | Oil & Gas Operator | Aug 2003 |
| 1292 | Boge, Inc. | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2024 |
| 1293 | Bohanan Oil Co. | Gordonville, TX 76245 | Oil & Gas Operator | Apr 2024 |
| 1294 | Bohner Oil Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1998 |
| 1295 | Bois D'Arc Offshore LTD. | Houston, TX 77002 | Oil & Gas Operator | Aug 2008 |
| 1296 | Bois D'Arc Operating Corporation | Houston, TX 77040 | Oil & Gas Operator | Jan 2000 |
| 1297 | Boland Well Service | Abilene, TX 79601 | Oil & Gas Operator | Jan 2008 |
| 1298 | Bold Operating, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | May 2019 |
| 1299 | Bolding Energy, LLC | Sterling City, TX 76951 | Oil & Gas Operator | Apr 2024 |
| 1300 | Boling Production Company, Inc. | Boling, TX 77420 | Oil & Gas Operator | Apr 2024 |