| 25601 | Romara Energy Inc. | | Oil & Gas Operator | Dec 2017 |
| 25602 | Romax Corporation | Ardmore, OK 73401-8882 | Oil & Gas Operator | Feb 2022 |
| 25603 | Romaxsco Exploration Co., Inc. | | Oil & Gas Operator | Aug 1993 |
| 25604 | Romco | Muenster, TX 76252 | Oil & Gas Operator | Mar 2015 |
| 25605 | Rome Oil, LLC | Lakewood, CO 80232 | Oil Operator | Jun 2025 |
| 25606 | Romine Oil & Gas LTD | Shawnee, OK 74802-3425 | Oil & Gas Operator | Jan 2013 |
| 25607 | Romine Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Dec 2025 |
| 25608 | Romines & Warner | Pampa, TX 79065 | Oil & Gas Operator | Jan 2002 |
| 25609 | Romines Operating Group | Pampa, TX 79066 | Oil & Gas Operator | Nov 2022 |
| 25610 | Rominger, R.L. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jan 2015 |
| 25611 | Romo Corp | Farmington, NM 87499 | Gas Operator | Dec 1993 |
| 25612 | Roms Co., Inc. | | Oil Operator | Jun 1983 |
| 25613 | Ron & Dan'S Oil LTD | Barnsdall, OK 74002-0628 | Oil & Gas Operator | May 2011 |
| 25614 | Ron Brooks Corp | | Oil Operator | Sep 1995 |
| 25615 | Ron Knott & Associates,Inc. | | Oil & Gas Operator | Aug 1989 |
| 25616 | Ron'S Oil Oper I | | Oil Operator | Nov 1994 |
| 25617 | Ron'S Oil Operations Inc | Penokee, KS 67659 | Oil Operator | Dec 2018 |
| 25618 | Ron-Bob Oil LLC | Neosho Falls, KS 66758 | Oil Operator | Jun 2025 |
| 25619 | Ronadero Company Inc | Roswell, NM BAD ADDR | Oil & Gas Operator | Dec 1996 |
| 25620 | Ronald A Gibson & Assoc Inc | Avon Lake, OH 44012 | Oil & Gas Operator | Dec 2024 |
| 25621 | Ronald E. Hall | | Oil Operator | Nov 1991 |
| 25622 | Ronald J Nelson | Hobbs, NM 88240 | Oil & Gas Operator | Feb 2006 |
| 25623 | Ronald L Hicks | Aztec, NM 87410 | Oil Operator | Sep 2009 |
| 25624 | Ronald L Nick | Lucinda, PA 16235-3006 | Gas Operator | Dec 2023 |
| 25625 | Ronald M. Sannes | | Oil & Gas Operator | Oct 2016 |
| 25626 | Ronald Russ Prater, Inc. | Eastborough, KS 67207 | Gas Operator | Nov 2024 |
| 25627 | Ronan Company | Springfield, MO 65704 | Oil & Gas Operator | Aug 2013 |
| 25628 | Ronco Energy Resources Inc | Norman, OK 73072 | Oil & Gas Operator | Apr 2015 |
| 25629 | Ronco Incorporat | | Oil Operator | Sep 1988 |
| 25630 | Ronde Operating, LLC | Houston, TX 77006 | Oil & Gas Operator | Mar 2021 |
| 25631 | Rongey Ira E | Sapulpa, OK 74066-9317 | Oil & Gas Operator | May 2013 |
| 25632 | Rongey Oil | Jenks, OK 74037-3621 | Oil & Gas Operator | Jan 2013 |
| 25633 | Ronmar Engineering & Expl Inc | Ada, OK 74820-1402 | Oil Operator | Aug 2013 |
| 25634 | Ronning Gas And Oil LLC | Mesa, AZ 85203 | Oil & Gas Operator | Dec 2025 |
| 25635 | Ronny N. Davis | | Oil Operator | Jan 2025 |
| 25636 | Roof Carl | Indiana, PA 15701 | Gas Operator | Dec 2024 |
| 25637 | Rookstool, William A. | Edmond, OK 73034 | Gas Operator | Jan 1999 |
| 25638 | Roome Exploration Company | Bartlett, TX 76511 | Oil & Gas Operator | Mar 2008 |
| 25639 | Roome Oil Co. | Bartlett, TX 76511 | Oil & Gas Operator | Dec 2025 |
| 25640 | Roon Energy, Inc. | Boones Mill, VA 24065 | Oil Operator | Dec 2025 |
| 25641 | Roosevelt Operating Co. | | Oil Operator | Sep 2023 |
| 25642 | Roosevelt Resources LP | Dallas, TX 75225 | Oil & Gas Operator | Dec 2025 |
| 25643 | Rooster Petroleum, LLC | | Oil & Gas Operator | Feb 2011 |
| 25644 | Rooster Production, LLC | Oil City, LA 71061 | Oil Operator | Jan 2025 |
| 25645 | Roosth & Genecov Production Co. | Tyler, TX 75710 | Oil & Gas Operator | Aug 2003 |
| 25646 | Roosth Production Co. | Tyler, TX 75711 | Oil & Gas Operator | Dec 2025 |
| 25647 | Ropa Exploration Corp. | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2011 |
| 25648 | Ropar Operating Co. | Wichita Falls, TX 76301 | Oil & Gas Operator | Dec 2025 |
| 25649 | Roppolo Petro/Sun Explor& Prod | | Oil & Gas Operator | Sep 1988 |
| 25650 | Roppolo Petroleum Co. | | Oil & Gas Operator | Jan 2000 |
| 25651 | Rorico Oil Company | Argyle, TX 76226 | Oil & Gas Operator | Dec 2025 |
| 25652 | Roring Jr Roy W | Duncan, OK 73533-3048 | Oil & Gas Operator | Aug 2022 |
| 25653 | Roring Roy W | Ardmore, OK 73401 | Oil & Gas Operator | Dec 1998 |
| 25654 | Roring Steven A | Ratliff City, OK 73481-0206 | Oil Operator | Feb 2018 |
| 25655 | Rosa Petroleum | Evansville, WY 82636 | Oil Operator | Dec 1995 |
| 25656 | Rosamond Drilling Co., Inc. | | Gas Operator | Nov 1984 |
| 25657 | Rosbottom Petroleum | | Oil & Gas Operator | Aug 1988 |
| 25658 | Rosbottom Production Corp | Shreveport, LA 71134 | Oil & Gas Operator | Dec 2017 |
| 25659 | Roscoe Gas & Oil Co | Dover, OH 44622 | Oil & Gas Operator | Dec 1991 |
| 25660 | Rose City Resources, LLC | Tyler, TX 75703 | Oil & Gas Operator | Dec 2025 |
| 25661 | Rose Dan And Bill | Henryetta, OK 74437 | Oil & Gas Operator | Oct 2025 |
| 25662 | Rose Exploration, Inc. | Dallas, TX 75231 | Oil & Gas Operator | Feb 2002 |
| 25663 | Rose Katherine Stone | | Oil & Gas Operator | Dec 2025 |
| 25664 | Rose Operating Company | Tulsa, OK 74101-2391 | Oil & Gas Operator | Dec 2014 |
| 25665 | Rose Pass Mines, Inc. | | Oil Operator | Oct 1982 |
| 25666 | Rose Petroleum (Us), LLC | Parker, CO 80134 | Oil & Gas Operator | Jul 2016 |
| 25667 | Rose Petroleum (Utah) LLC | Annapolis, MD 21401 | Oil & Gas Operator | Sep 2025 |
| 25668 | Rose Petroleum Corp | Oklahoma City, OK 73146 | Oil & Gas Operator | Feb 2015 |
| 25669 | Rose Rock Resources Inc | Wagoner, OK 74467-8362 | Oil & Gas Operator | Sep 2025 |
| 25670 | Rose, Verl | Spring Creek, NV 89815 | Oil & Gas Operator | Feb 2011 |
| 25671 | Roseclare Oil Co | | Oil Operator | Dec 2016 |
| 25672 | Rosehill Operating Company, LLC | Houston, TX 77084 | Oil & Gas Operator | Sep 2021 |
| 25673 | Rosekrans Janet A Dba J Oil Co | | Oil & Gas Operator | Jan 2003 |
| 25674 | Rosel Energy, Inc. | Liberal, KS 67901 | Oil & Gas Operator | Jul 2004 |
| 25675 | Roseland Oil & Gas Inc | Rockwall, TX 75087 | Oil & Gas Operator | Feb 2003 |
| 25676 | Rosemain 031 LLC | | Oil & Gas Operator | Oct 2025 |
| 25677 | Rosenthal Henry & Co | | Oil Operator | Feb 1994 |
| 25678 | Rosenthal, Stanley H. | Bay City, TX 77404 | Oil & Gas Operator | Dec 2020 |
| 25679 | Rosestone Operating Company, LLC | | Oil & Gas Operator | Dec 2024 |
| 25680 | Rosetta Energy Partners, L P | Dallas, TX 75219 | Oil & Gas Operator | Jul 2009 |
| 25681 | Rosetta Resources Operating LP | San Antonio, TX 78216 | Oil & Gas Operator | Dec 2025 |
| 25682 | Rosewood Resources (HPC), Inc. | | Gas Operator | Dec 1984 |
| 25683 | Rosewood Resources (Poc), Inc. | | Oil & Gas Operator | Dec 1984 |
| 25684 | Rosewood Resources Inc | Dallas, TX 75201 | Oil & Gas Operator | Dec 2025 |
| 25685 | Roskydal, Laverne | La Vernia, TX 78121 | Oil Operator | Dec 2025 |
| 25686 | Rosner, S. | San Antonio, TX 78216 | Oil & Gas Operator | Aug 1996 |
| 25687 | Ross & Glenn Petroleum Inc. | | Oil & Gas Operator | Aug 1984 |
| 25688 | Ross & Wharton Gas Co Inc | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 25689 | Ross Bobby L | Okmulgee, OK 74447-8802 | Oil & Gas Operator | Apr 2020 |
| 25690 | Ross Curtis | Ada, OK 74820-1354 | Oil & Gas Operator | Feb 2012 |
| 25691 | Ross Engineering, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Dec 2025 |
| 25692 | Ross Exploration,Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2013 |
| 25693 | Ross Explorations, Inc | Fort Smith, AR 72903 | Gas Operator | Jan 2025 |
| 25694 | Ross Gas And Oil, LTD. Co. | Dripping SPGS, TX 78620 | Oil & Gas Operator | Dec 2025 |
| 25695 | Ross Operating Company | Shreveport, LA 71163 | Oil & Gas Operator | May 1996 |
| 25696 | Ross Prod. - Zwahlen & Raish | | Oil & Gas Operator | Sep 1998 |
| 25697 | Ross Production Co. | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2000 |
| 25698 | Ross, Dwight M. DRLG. Co., Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Dec 2025 |
| 25699 | Ross, Mike Inc. | Coalton, WV 26257 | Oil & Gas Operator | Dec 2021 |
| 25700 | Ross-A. J. Hodges Ind. | | Oil & Gas Operator | Dec 1980 |