| 1401 | Rockford CBM LLC | Tulsa, OK 74103-4335 | Oil & Gas Operator | Jan 2013 |
| 1402 | Rockford Energy Partners II, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2007 |
| 1403 | Rockford Energy Partners III,LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2012 |
| 1404 | Rockford Panhandle, LLC | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2008 |
| 1405 | Rockhound Petroleum, LLC | St. John, KS 67576 | Oil Operator | Dec 2023 |
| 1406 | Rockies Oil & Gas Inc | | Oil & Gas Operator | Dec 2015 |
| 1407 | Rockies Resources Holdings LLC | Lakewood, CO 80228 | Oil & Gas Operator | Feb 2024 |
| 1408 | Rockin 'A' Oil | | Oil Operator | Dec 2023 |
| 1409 | Rockin Bar Nothin Ranch, Inc. | Independence, KS 67301 | Oil Operator | Dec 2023 |
| 1410 | Rockin C Production, L.L.C. | Nocona, TX 76255 | Oil Operator | Apr 2024 |
| 1411 | Rockin G. Energy, LLC | Weatherford, TX 76087 | Gas Operator | Sep 2020 |
| 1412 | Rockin K Enterprises LLC | Riverside, MO 64168 | Oil Operator | Dec 2023 |
| 1413 | Rockin S Field Service LLC | | Gas Operator | Dec 2023 |
| 1414 | Rockin' D, LLC | Big Spring, TX 79720 | Oil & Gas Operator | Apr 2024 |
| 1415 | Rocking Lazy Little B Ranch Oil | Cedar Creek, TX 78612 | Oil Operator | Apr 2011 |
| 1416 | Rocking R Investments, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2024 |
| 1417 | Rocking, R, Drilling & Prod Co. | Bowie, TX 76230 | Oil & Gas Operator | Apr 2024 |
| 1418 | Rockland Oil Company | Addison, TX 75001 | Oil & Gas Operator | Jan 2024 |
| 1419 | Rockleigh K. Thurman | | Oil & Gas Operator | Jan 2024 |
| 1420 | Rockoil Energy Of Texas, Inc. | Weatherford, TX 76086 | Oil & Gas Operator | Apr 2024 |
| 1421 | Rockport Energy Solutions LLC | Austin, TX 78730 | Oil & Gas Operator | Apr 2024 |
| 1422 | Rockport Georgetown Holdings,LP | Bellaire, TX 77401 | Oil & Gas Operator | Nov 2007 |
| 1423 | Rocksauce Opr LLC | Canonsburg, PA 15317-3906 | Oil & Gas Operator | Dec 2023 |
| 1424 | Rocksprings Energy Company LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 1997 |
| 1425 | Rockstar Production, LLC | Wichita Falls, TX 76308 | Oil Operator | Apr 2024 |
| 1426 | Rockstar Resources, LLC | Sourlake, TX 77659 | Oil & Gas Operator | Apr 2024 |
| 1427 | Rockwall Marketing Corporation | Benbrook, TX 76126 | Oil & Gas Operator | Dec 2007 |
| 1428 | Rockwell Drilling Company | New York, NY 10013 | Oil & Gas Operator | Dec 2005 |
| 1429 | Rockwell Energy Corporation | Tulsa, OK 74105 | Oil & Gas Operator | Apr 2014 |
| 1430 | Rockwell Energy, LLC | Spring, TX 77386 | Oil & Gas Operator | Sep 2014 |
| 1431 | Rockwell Resources Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2022 |
| 1432 | Rockwood Petrole | | Oil Operator | Aug 1985 |
| 1433 | Rockwood Resources Inc | Coleman, TX 76834 | Oil & Gas Operator | Apr 2024 |
| 1434 | Rocky Creek Resources, LLC | Houston, TX 77055 | Oil & Gas Operator | Apr 2024 |
| 1435 | Rocky Mount Gas Gathering,LLC | | Oil Operator | Apr 2001 |
| 1436 | Rocky Mountain Gas Inc | Sheridan, WY 82801 | Gas Operator | Nov 2009 |
| 1437 | Rocky Mountain Operating Co Inc | Littleton, CO 80121 | Oil & Gas Operator | Dec 2011 |
| 1438 | Rocky MTN Natural Gas LLC Adba Black Hills Energy | | Gas Operator | Dec 2003 |
| 1439 | Rocky Point Oil, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
| 1440 | Rocky Road Oil Company | | Oil Operator | Aug 2023 |
| 1441 | Rocky Roads Operating LLC | | Oil & Gas Operator | Jan 2024 |
| 1442 | Rocky Top Energy LLC | | Oil & Gas Operator | Dec 2023 |
| 1443 | Roco Petroleum, Incorporated | Abilene, TX 79605 | Oil & Gas Operator | Apr 2024 |
| 1444 | Rocoso Resources, LLC | Albany, TX 76430 | Oil & Gas Operator | Apr 2024 |
| 1445 | Rod Johnson Operations | Miramar Beach, FL 32550 | Oil & Gas Operator | Dec 2015 |
| 1446 | Rod Oil & Gas LTD. | Houston, TX 77261 | Oil & Gas Operator | Jun 1995 |
| 1447 | Rod, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Mar 2008 |
| 1448 | Rodan, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Apr 2024 |
| 1449 | Roddy Production Company Inc | Farmington, NM 87401 | Oil & Gas Operator | Jan 2024 |
| 1450 | Rodel Oil & Gas Company | Houston, TX 77218 | Oil & Gas Operator | Apr 2024 |
| 1451 | Roden Oil Company | Midland, TX 79702 | Oil & Gas Operator | Feb 2008 |
| 1452 | Rodenberg, Laura Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Apr 2024 |
| 1453 | Rodeo Resources | | Oil Operator | Jul 1986 |
| 1454 | Rodeo Resources, L.L.C. | Houston, TX 77079 | Oil & Gas Operator | Apr 2024 |
| 1455 | Rodessa Management, Inc. | Longview, TX 75606 | Oil & Gas Operator | May 1995 |
| 1456 | Rodessa Operating Company | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Apr 2024 |
| 1457 | Rodgers Donald E Jr | Ripley, OK 74062 | Oil & Gas Operator | Mar 2011 |
| 1458 | Rodgers, Clyde B. | Cherry Creek, NY 14723 | Gas Operator | Dec 2022 |
| 1459 | Rodgers, Murray | Sedan, KS 67361 | Oil Operator | Oct 1996 |
| 1460 | Rodgers, William L. | Fort Worth, TX 76147 | Oil & Gas Operator | Jan 1995 |
| 1461 | Rodline Petroleum LLC | Adolphus, KY 42120 | Oil Operator | Dec 2022 |
| 1462 | Rodman Petroleum Corp. | Odessa, TX 79768 | Oil & Gas Operator | Jul 2023 |
| 1463 | Rodney B Webb Dba Webb Oil Co | Artesia, NM 88210 | Oil & Gas Operator | Jun 2005 |
| 1464 | Rodriguez, Everado | Paola, KS 66071 | Oil Operator | Mar 2021 |
| 1465 | Roe Oil Company | Cushing, OK 74023-0086 | Oil & Gas Operator | Jul 2023 |
| 1466 | Roemer Oil Company | Denver, CO 80202 | Oil & Gas Operator | Nov 1998 |
| 1467 | Roemer, David E. | Somerset, TX 78069 | Oil Operator | Apr 2024 |
| 1468 | Roff Operating Company LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 1469 | Rog Enterprises, Inc. | Lake Dallas, TX 75065 | Oil Operator | May 2014 |
| 1470 | Rog Enterprises, LLC | Burkburnett, TX 76354 | Oil Operator | Apr 2024 |
| 1471 | Roger K Dunham | Sheffield, PA 16347-0145 | Oil Operator | Dec 2016 |
| 1472 | Roger Slayton Dba Escudilla Oil Company | Roswell, NM 88202 | Oil Operator | Sep 2020 |
| 1473 | Roger Wilson | | Oil Operator | Apr 2002 |
| 1474 | Roger Wilson, Inc. | | Oil Operator | Jul 2019 |
| 1475 | Roger'S Properties LLC | Harrisville, WV 26362 | Oil & Gas Operator | Dec 2021 |
| 1476 | Rogers & Son | | Oil & Gas Operator | Dec 2008 |
| 1477 | Rogers County Coal Seam LLC | Ridgeland, MS 39157-8635 | Oil & Gas Operator | Mar 2015 |
| 1478 | Rogers Dan R | Okemah, OK 74847 | Oil & Gas Operator | Apr 2020 |
| 1479 | Rogers Drilling Co. | Olney, TX 76374 | Oil & Gas Operator | Apr 2024 |
| 1480 | Rogers Jerry L | Cushing, OK 74023-0911 | Oil & Gas Operator | Mar 2017 |
| 1481 | Rogers Merlin D | | Oil Operator | Feb 2001 |
| 1482 | Rogers Oil Co. | Bronson, KS 66716 | Oil & Gas Operator | Sep 1995 |
| 1483 | Rogers Oil Compa | | Oil Operator | Apr 1993 |
| 1484 | Rogers Oilfield Op, Corp. | Granbury, TX 76048 | Oil & Gas Operator | Jul 2019 |
| 1485 | Rogers Well Service Inc | Ponca City, OK 74601 | Oil & Gas Operator | Apr 2014 |
| 1486 | Rogers, Clyde | Zellwood, FL 32798 | Oil Operator | Dec 2022 |
| 1487 | Rogers, Cora L | | Oil Operator | Dec 2023 |
| 1488 | Rogers, John Charles | Hot Springs VIllage, AR 71909 | Oil Operator | Feb 2024 |
| 1489 | Rogers, M & Scull, David | | Oil & Gas Operator | Dec 2008 |
| 1490 | Rogers, M. L. | Midland, TX 79701 | Oil & Gas Operator | Sep 2014 |
| 1491 | Rogers, Mike Drilling Co., Inc. | Magnolia, AR 71754 | Oil & Gas Operator | Sep 2002 |
| 1492 | Rogers, S. K. Oil, Inc. | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2024 |
| 1493 | Rohmer Brother'S | Muenster, TX 76252 | Oil & Gas Operator | May 2014 |
| 1494 | Rohmer Resources LP | Muenster, TX 76252 | Oil Operator | Apr 2024 |
| 1495 | Rohmer, A. J. | Muenster, TX 76252 | Oil & Gas Operator | Apr 1997 |
| 1496 | Rohmer, Tony S. | Muenster, TX 76252 | Oil & Gas Operator | Sep 2015 |
| 1497 | Rohmer, William J. | Muenster, TX 76252 | Oil & Gas Operator | Dec 2011 |
| 1498 | Rohrig Petroleum Co. | | Oil & Gas Operator | Dec 1998 |
| 1499 | Roil Mineral & Land Co. | Dallas, TX 75379 | Oil & Gas Operator | Apr 2024 |
| 1500 | Roil Production Company | Houston, TX 77056 | Gas Operator | Sep 2005 |