| 25601 | Rockstar Production, LLC | Graham, TX 76450 | Oil Operator | Apr 2025 |
| 25602 | Rockstar Resources, LLC | Sourlake, TX 77659 | Oil & Gas Operator | Apr 2025 |
| 25603 | Rockwall Marketing Corporation | Benbrook, TX 76126 | Oil & Gas Operator | Dec 2007 |
| 25604 | Rockwell Drilling Company | New York, NY 10013 | Oil & Gas Operator | Dec 2005 |
| 25605 | Rockwell Energy Corporation | Tulsa, OK 74105 | Oil & Gas Operator | Apr 2014 |
| 25606 | Rockwell Energy, LLC | Spring, TX 77386 | Oil & Gas Operator | Sep 2014 |
| 25607 | Rockwell Resources Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2023 |
| 25608 | Rockwood Petrole | | Oil Operator | Aug 1985 |
| 25609 | Rockwood Resources Inc | Coleman, TX 76834 | Oil & Gas Operator | Apr 2025 |
| 25610 | Rocky Creek Resources, LLC | Houston, TX 77055 | Oil & Gas Operator | Apr 2025 |
| 25611 | Rocky Mount Gas Gathering,LLC | | Oil Operator | Apr 2001 |
| 25612 | Rocky Mountain Gas Inc | Sheridan, WY 82801 | Gas Operator | Nov 2009 |
| 25613 | Rocky Mountain Operating Co Inc | Littleton, CO 80121 | Oil & Gas Operator | Dec 2011 |
| 25614 | Rocky MTN Natural Gas LLC Adba Black Hills Energy | | Gas Operator | Dec 2003 |
| 25615 | Rocky Point Oil, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2025 |
| 25616 | Rocky Road Oil Company | | Oil Operator | May 2024 |
| 25617 | Rocky Roads Operating LLC | Tulsa, OK 74103-4048 | Oil & Gas Operator | Feb 2025 |
| 25618 | Rocky Top Energy LLC | Bartlesville, OK 74003 | Oil & Gas Operator | Sep 2024 |
| 25619 | Roco Petroleum, Incorporated | Abilene, TX 79605 | Oil & Gas Operator | Apr 2025 |
| 25620 | Rocoso Resources, LLC | Albany, TX 76430 | Oil & Gas Operator | Apr 2025 |
| 25621 | Rod Johnson Operations | Miramar Beach, FL 32550 | Oil & Gas Operator | Dec 2015 |
| 25622 | Rod Oil & Gas LTD. | Houston, TX 77261 | Oil & Gas Operator | Jun 1995 |
| 25623 | Rod, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Mar 2008 |
| 25624 | Rodan, Inc. | Wink, TX 79789 | Oil & Gas Operator | Apr 2025 |
| 25625 | Roddy Production Company Inc | Farmington, NM 87401 | Oil & Gas Operator | Jan 2025 |
| 25626 | Rodel Oil & Gas Company | Houston, TX 77218 | Oil & Gas Operator | Apr 2025 |
| 25627 | Roden Oil Company | Midland, TX 79702 | Oil & Gas Operator | Feb 2008 |
| 25628 | Rodenberg, Laura Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Apr 2025 |
| 25629 | Rodeo Resources | | Oil Operator | Jul 1986 |
| 25630 | Rodeo Resources, L.L.C. | Houston, TX 77079 | Oil & Gas Operator | Dec 2024 |
| 25631 | Rodessa Management, Inc. | Longview, TX 75606 | Oil & Gas Operator | May 1995 |
| 25632 | Rodessa Operating Company | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Apr 2025 |
| 25633 | Rodgers Donald E Jr | Ripley, OK 74062 | Oil & Gas Operator | Mar 2011 |
| 25634 | Rodgers, Clyde B. | Cherry Creek, NY 14723 | Gas Operator | Dec 2023 |
| 25635 | Rodgers, Murray | Sedan, KS 67361 | Oil Operator | Oct 1996 |
| 25636 | Rodgers, William L. | Fort Worth, TX 76147 | Oil & Gas Operator | Jan 1995 |
| 25637 | Rodline Petroleum LLC | Adolphus, KY 42120 | Oil Operator | Dec 2023 |
| 25638 | Rodman George Inc | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 1992 |
| 25639 | Rodman Petroleum Corp. | Odessa, TX 79768 | Oil & Gas Operator | Jul 2023 |
| 25640 | Rodney B Webb Dba Webb Oil Co | Artesia, NM 88210 | Oil & Gas Operator | Jun 2005 |
| 25641 | Rodriguez, Everado | Paola, KS 66071 | Oil Operator | Mar 2021 |
| 25642 | Roe Oil Company | Cushing, OK 74023-0086 | Oil & Gas Operator | Jun 2024 |
| 25643 | Roemer Oil Company | Denver, CO 80202 | Oil & Gas Operator | Nov 1998 |
| 25644 | Roemer, David E. | Somerset, TX 78069 | Oil Operator | Apr 2025 |
| 25645 | Roff Operating Company LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 25646 | Rog Enterprises, Inc. | Lake Dallas, TX 75065 | Oil Operator | May 2014 |
| 25647 | Rog Enterprises, LLC | Burkburnett, TX 76354 | Oil Operator | Apr 2025 |
| 25648 | Roger K Dunham | Sheffield, PA 16347-0145 | Oil Operator | Dec 2016 |
| 25649 | Roger Slayton Dba Escudilla Oil Company | Roswell, NM 88202 | Oil Operator | Sep 2020 |
| 25650 | Roger W. McCabe, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 25651 | Roger Wilson | | Oil Operator | Apr 2002 |
| 25652 | Roger Wilson, Inc. | | Oil Operator | Jul 2019 |
| 25653 | Roger'S Properties LLC | Harrisville, WV 26362 | Oil & Gas Operator | Dec 2021 |
| 25654 | Rogers & Son | | Oil & Gas Operator | Dec 2008 |
| 25655 | Rogers County Coal Seam LLC | Ridgeland, MS 39157-8635 | Oil & Gas Operator | Mar 2015 |
| 25656 | Rogers Dan R | Okemah, OK 74847 | Oil & Gas Operator | Apr 2020 |
| 25657 | Rogers Drilling Co. | Olney, TX 76374 | Oil & Gas Operator | Apr 2025 |
| 25658 | Rogers Jerry L | Cushing, OK 74023-0911 | Oil & Gas Operator | Mar 2017 |
| 25659 | Rogers Merlin D | | Oil Operator | Feb 2001 |
| 25660 | Rogers Oil Co. | Bronson, KS 66716 | Oil & Gas Operator | Sep 1995 |
| 25661 | Rogers Oil Compa | | Oil Operator | Apr 1993 |
| 25662 | Rogers Oilfield Op, Corp. | Granbury, TX 76048 | Oil & Gas Operator | Jul 2019 |
| 25663 | Rogers Well Service Inc | Ponca City, OK 74601 | Oil & Gas Operator | Apr 2014 |
| 25664 | Rogers, Clyde | Zellwood, FL 32798 | Oil Operator | Dec 2023 |
| 25665 | Rogers, Cora L | | Oil Operator | Jan 2025 |
| 25666 | Rogers, John Charles | Hot Springs VIllage, AR 71909 | Oil Operator | Jan 2025 |
| 25667 | Rogers, M & Scull, David | | Oil & Gas Operator | Dec 2008 |
| 25668 | Rogers, M. L. | Midland, TX 79701 | Oil & Gas Operator | Sep 2014 |
| 25669 | Rogers, Mike Drilling Co., Inc. | Magnolia, AR 71754 | Oil & Gas Operator | Sep 2002 |
| 25670 | Rogers, S. K. Oil, Inc. | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2025 |
| 25671 | Rohmer Brother'S | Muenster, TX 76252 | Oil & Gas Operator | May 2014 |
| 25672 | Rohmer Resources LP | Muenster, TX 76252 | Oil Operator | Apr 2025 |
| 25673 | Rohmer, A. J. | Muenster, TX 76252 | Oil & Gas Operator | Apr 1997 |
| 25674 | Rohmer, Tony S. | Muenster, TX 76252 | Oil & Gas Operator | Sep 2015 |
| 25675 | Rohmer, William J. | Muenster, TX 76252 | Oil & Gas Operator | Dec 2011 |
| 25676 | Rohrig Petroleum Co. | | Oil & Gas Operator | Dec 1998 |
| 25677 | Roil Mineral & Land Co. | Dallas, TX 75379 | Oil & Gas Operator | Apr 2025 |
| 25678 | Roil Production Company | Houston, TX 77056 | Gas Operator | Sep 2005 |
| 25679 | Rojo Burro Petroleo & Gas | Kilgore, TX 75662 | Oil & Gas Operator | Aug 2007 |
| 25680 | Rojo Grande LLC | Artesia, NM 882110248 | Oil Operator | Apr 2008 |
| 25681 | Rojo Oil Company | McLean, TX 79057 | Oil & Gas Operator | Apr 2025 |
| 25682 | Roka Management Inc | Oklahoma City, OK 73139 | Oil & Gas Operator | Feb 2025 |
| 25683 | Roka Resources Inc | Oklahoma City, OK 73139 | Oil & Gas Operator | Jan 2025 |
| 25684 | Roland Carlson LLC | Austin, TX 78705 | Gas Operator | Apr 2025 |
| 25685 | Roland Oil And Gas | Cut Bank, MT 59427 | Oil Operator | Feb 2023 |
| 25686 | Roland Oil Company | Charlotte, TX 78011 | Oil & Gas Operator | Apr 2025 |
| 25687 | Rolfe & Rolfe Oi | | Oil Operator | May 1988 |
| 25688 | Rollar Oil Co., Inc. | | Oil & Gas Operator | Jul 1999 |
| 25689 | Rollert Co., Inc., The | Luling, TX 78648 | Oil & Gas Operator | Nov 2000 |
| 25690 | Rolling Meadows Oil & Gas Development, LLC | Centerville, KS 66014 | Oil Operator | Dec 2024 |
| 25691 | Rollo Resources, LLC | Granbury, TX 76049 | Gas Operator | Apr 2025 |
| 25692 | Roma Oil & Gas | San Antonio, TX 78217 | Oil & Gas Operator | Mar 1999 |
| 25693 | Roma Oil And Gas, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2025 |
| 25694 | Romac Oil Company, Inc. | Throckmorton, TX 76483 | Oil & Gas Operator | Apr 2025 |
| 25695 | Romack Production Company | Granville, OH 43023 | Oil Operator | Mar 2018 |
| 25696 | Roman Well Services Inc | Lakeville, OH 44638 | Oil & Gas Operator | Dec 2023 |
| 25697 | Romara Energy Inc. | | Oil & Gas Operator | Dec 2017 |
| 25698 | Romax Corporation | Ardmore, OK 73401-8882 | Oil & Gas Operator | Feb 2022 |
| 25699 | Romaxsco Exploration Co., Inc. | | Oil & Gas Operator | Aug 1993 |
| 25700 | Romco | Muenster, TX 76252 | Oil & Gas Operator | Mar 2015 |