| 5001 | Revolution Resources LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Jun 2023 |
| 5002 | Reynolds J W & Associates | Sapulpa, OK 74066 | Oil & Gas Operator | Dec 2000 |
| 5003 | RF Operating And Supply Inc | | Oil & Gas Operator | Feb 2013 |
| 5004 | Rhino Operating Company LLC | Brentwood, TN 37027-8760 | Oil & Gas Operator | Dec 2025 |
| 5005 | Rhoades Oil Co | Tulsa, OK 74136-5575 | Oil & Gas Operator | Aug 2013 |
| 5006 | Rhoads Brothers Oil & Gas Inc | Tulsa, OK 74136 | Oil & Gas Operator | May 1996 |
| 5007 | Rhoads Mark Operations | Ponca City, OK 74604 | Oil & Gas Operator | May 2006 |
| 5008 | Rhodes-Fielding Corporation | Oklahoma City, OK 73134 | Oil & Gas Operator | Mar 2025 |
| 5009 | Ric Petroleum, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2003 |
| 5010 | Rice Michael Lee | Beggs, OK 74421-2977 | Oil Operator | Jul 2025 |
| 5011 | Rice Oil Co | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2020 |
| 5012 | Rice Patricia Dba Rice Oil | Duncan, OK 73533-1888 | Oil Operator | Jan 2021 |
| 5013 | Richard C Sullins Credit Shelter Trust | Perry, OK 73077 | Gas Operator | Feb 2025 |
| 5014 | Richard Charles J | | Oil & Gas Operator | May 1996 |
| 5015 | Richard W Thompson Inc | Plano, TX 75075 | Oil & Gas Operator | Jul 2019 |
| 5016 | Richardson Oil Company | San Antonio, TX 78216 | Oil & Gas Operator | Aug 2003 |
| 5017 | Richardson WM S | Duncan, OK 73533 | Oil Operator | Jun 2013 |
| 5018 | Richardson, Bud II | Graham, TX 76450 | Oil & Gas Operator | Mar 2026 |
| 5019 | Richart Oil Company Inc | Oklahoma City, OK 73154-0631 | Oil & Gas Operator | Aug 1995 |
| 5020 | Richland Energy Corporation | Tulsa, OK 74103-4441 | Oil Operator | Jul 1995 |
| 5021 | Richland Resources Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2026 |
| 5022 | Rick Pulliam Oil & Gas Inc | Bristow, OK 74010 | Oil & Gas Operator | Dec 2025 |
| 5023 | Ricks Consulting LLC | Copan, OK 74022 | Oil Operator | Dec 2025 |
| 5024 | Ricks Expl Acquisition Corp | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2004 |
| 5025 | Ricks Expl Acquisition LLC | Midland, TX 79701 | Oil & Gas Operator | Aug 2013 |
| 5026 | Ricks Exploration Co | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 5027 | Rico Oil Company | Graham, TX 76450 | Oil & Gas Operator | Mar 2026 |
| 5028 | Riddle William T | Haskell, OK 74436-1353 | Oil & Gas Operator | Feb 2014 |
| 5029 | Ridge Petroleum Inc. | Tyler, TX 75701 | Oil & Gas Operator | Mar 2026 |
| 5030 | Rietz John T & Co Inc | | Oil & Gas Operator | Mar 1992 |
| 5031 | Rif Raf Inc | Norman, OK 73069 | Oil Operator | May 1999 |
| 5032 | Rife Oil Properties Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Mar 2026 |
| 5033 | Rig Petroleum, LLC | Spearman, TX 79081 | Oil & Gas Operator | Mar 2026 |
| 5034 | Riggins Energy Inc. | Vernon, TX 76385 | Oil & Gas Operator | Jul 2004 |
| 5035 | Riley Deborah R | Nowata, OK 74048 | Oil Operator | Jan 2026 |
| 5036 | Riley Exploration Operating Co LLC | Blanchard, OK 73010-8024 | Gas Operator | Jun 2017 |
| 5037 | Riley Lee Roy | Chickasha, OK 73018-9306 | Oil & Gas Operator | May 2006 |
| 5038 | Rimrock Gas Company | Weatherford, OK 73096 | Oil & Gas Operator | May 2008 |
| 5039 | Rimrock Resource Operating LLC | Tulsa, OK 74103-4462 | Oil & Gas Operator | Dec 2025 |
| 5040 | Rio Blanco Operating LLC | Victoria, TX 77904 | Oil & Gas Operator | Dec 2025 |
| 5041 | Rio Grande Drilling Company | San Antonio, TX 78212 | Oil & Gas Operator | Dec 1999 |
| 5042 | Rio Petroleum, Inc. | Amarillo, TX 79102 | Oil & Gas Operator | Mar 2026 |
| 5043 | Rio VIsta Operating LLC | Eufaula, OK 74432-0789 | Gas Operator | Dec 2025 |
| 5044 | Rising Star Energy, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Aug 2006 |
| 5045 | River City Resources, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Nov 1997 |
| 5046 | River Rock Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Sep 2025 |
| 5047 | River Valley Oil LLC | Konawa, OK 74849 | Oil Operator | Jan 2026 |
| 5048 | Riverfront Exploration LLC | Fort Smith, AR 72901 | Gas Operator | Dec 2025 |
| 5049 | Riverstone Energy LLC | Seminole, OK 74868 | Oil & Gas Operator | Dec 2025 |
| 5050 | Rives Owen H | Holdenville, OK 74848-0913 | Oil & Gas Operator | Nov 2000 |
| 5051 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2026 |
| 5052 | Rixleben Jeffrey | West Chicago, IL 60186-0978 | Oil Operator | Feb 2016 |
| 5053 | Rixleben Thomas B Estate | Ada, OK 74820 | Oil & Gas Operator | Mar 2014 |
| 5054 | RJ Williams Oil & Gas LLC | Ardmore, OK 73401 | Oil & Gas Operator | Dec 2025 |
| 5055 | Rja Energy LLC | Norman, OK 73069-8224 | Oil & Gas Operator | Dec 2025 |
| 5056 | Rki Exploration & Production LLC | Tulsa, OK 74172 | Oil & Gas Operator | Mar 2026 |
| 5057 | RKK Production Company | Mustang, OK 73064 | Oil & Gas Operator | Jan 2026 |
| 5058 | RKR Exploration Inc | Seminole, OK 74868 | Oil & Gas Operator | Dec 2025 |
| 5059 | RL&B Energy LLC | Wichita Falls, TX 76230 | Oil & Gas Operator | Dec 2025 |
| 5060 | RLB Investments LLC | Holdenville, OK 74848-9421 | Oil Operator | Jul 2017 |
| 5061 | RMS Monte Christo, LLC | Snowmass VLG., CO 81615 | Oil & Gas Operator | Mar 2023 |
| 5062 | Roadrunner Energy Inc | Tulsa, OK 74120 | Oil & Gas Operator | Mar 2015 |
| 5063 | Roan Resources LLC | Tulsa, OK 74103-3729 | Oil & Gas Operator | Apr 2024 |
| 5064 | Robbins Thomas D & Charlene A Revocable Trust | Plano, TX 75093-7471 | Oil Operator | Jul 2018 |
| 5065 | Roberson David A | Ada, OK 74821-0008 | Oil & Gas Operator | Jul 2010 |
| 5066 | Roberson Oil Company | Houston, TX 77046 | Oil & Gas Operator | Jan 2026 |
| 5067 | Roberson, Joe | Vernon, TX 76385 | Oil & Gas Operator | Feb 2015 |
| 5068 | Robert B Knight Dba D & K Oil Company | Stratford, OK 74872-6732 | Oil Operator | Jul 2022 |
| 5069 | Robert H & Layna Plummer Rev Intervivios Trust | | Oil Operator | Jul 2018 |
| 5070 | Roberts & Murphy, Inc. | Shreveport, LA 71137 | Oil & Gas Operator | Apr 2016 |
| 5071 | Roberts Herman | Henderson, NV 89014 | Oil Operator | Jul 2023 |
| 5072 | Roberts Zetau J Fisk | Moore, OK 73160 | Oil & Gas Operator | Sep 1993 |
| 5073 | Robertson Jay Estate | Tulsa, OK 74127-3029 | Oil & Gas Operator | Jul 2013 |
| 5074 | Robertson Johnie J | Okmulgee, OK 74447-8765 | Oil & Gas Operator | Dec 2025 |
| 5075 | Robinowitz Oil Company | Tulsa, OK 74136-1429 | Oil & Gas Operator | Feb 2023 |
| 5076 | Robinson Brothers Drilling Co | | Oil & Gas Operator | Jul 2002 |
| 5077 | Robinson Oil Co. | Graham, TX 76450 | Oil & Gas Operator | Mar 2026 |
| 5078 | Robinson Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Aug 2012 |
| 5079 | Robinson Tracy D | Duncan, OK 73534 | Oil Operator | Oct 2018 |
| 5080 | Robinson, Gary D | | Oil Operator | Nov 2025 |
| 5081 | Roblyn Oil Inc | Allen, OK 74825-6933 | Oil & Gas Operator | Dec 2025 |
| 5082 | Robson & Shults Prod Corp | Mannford, OK 74044 | Oil & Gas Operator | Jun 1995 |
| 5083 | Robson Petroleum Company | Tulsa, OK 74104 | Oil & Gas Operator | Jan 1995 |
| 5084 | Robson Resources Inc | Tulsa, OK 74104 | Oil & Gas Operator | May 1998 |
| 5085 | Rock Creek Energy Co | Ada, OK 74820-5725 | Oil Operator | Jul 2022 |
| 5086 | Rock Creek Resources LLC | Englewood, CO 80112 | Oil & Gas Operator | Dec 2021 |
| 5087 | Rock Oil Company | Broken Arrow, OK 74014-6106 | Oil & Gas Operator | Dec 2025 |
| 5088 | Rocket Energy Corporation | Muskogee, OK 74402-1665 | Oil & Gas Operator | Dec 2003 |
| 5089 | Rocket Oil Company | Duncan, OK 73534 | Oil & Gas Operator | Apr 2015 |
| 5090 | Rockford CBM LLC | Tulsa, OK 74103-4335 | Oil & Gas Operator | Jan 2013 |
| 5091 | Rockford Energy Partners III,LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2012 |
| 5092 | Rockies Resources Holdings LLC | Lakewood, CO 80228 | Oil & Gas Operator | Jan 2026 |
| 5093 | Rockin D Resources LLC | Bristow, OK 74010-4162 | Oil Operator | Dec 2025 |
| 5094 | Rockin D Ventures LLC | Morris, OK 74445 | Oil Operator | Dec 2025 |
| 5095 | Rockin S Field Service LLC | Stigler, OK 74462 | Gas Operator | Dec 2025 |
| 5096 | Rocking Chair Energy Partners LLC | Morris, OK 74445 | Oil Operator | Dec 2025 |
| 5097 | Rockland Oil Company | Addison, TX 75001 | Oil & Gas Operator | Dec 2025 |
| 5098 | Rockwall Marketing Corporation | Benbrook, TX 76126 | Oil & Gas Operator | Dec 2007 |
| 5099 | Rockwell Drilling Company | New York, NY 10013 | Oil & Gas Operator | Dec 2005 |
| 5100 | Rockwell Energy Corporation | Tulsa, OK 74105 | Oil & Gas Operator | Apr 2014 |