| 1 | R.E.J.A.S. Energy LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2024 |
| 2 | Ra-Jac LLC | Norman, OK 73072 | Oil & Gas Operator | Sep 2024 |
| 3 | Rachael Exploration Corp | Traverse City, MI 49686 | Oil & Gas Operator | Apr 2001 |
| 4 | Raker Resources LLC | Houston, TX 77042 | Oil & Gas Operator | Nov 2024 |
| 5 | Ram Asset Management Co | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2015 |
| 6 | Rambler Oil Co | Oklahoma City, OK 73154 | Oil & Gas Operator | Jan 1999 |
| 7 | Ramco Oil & Gas Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2006 |
| 8 | Ramsey Nichols Operating Company LLC | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Sep 2024 |
| 9 | Ramsey Property Management LLC | Oklahoma City, OK 73120-1955 | Oil & Gas Operator | Aug 2024 |
| 10 | Randy Inc | Hennessey, OK 73742 | Oil & Gas Operator | Aug 2024 |
| 11 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
| 12 | Range Production Company, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2024 |
| 13 | Raven Resources LLC | Oklahoma City, OK 73172 | Oil & Gas Operator | Aug 2024 |
| 14 | Raw Crude Oil & Gas LLC | Norman, OK 73069 | Oil & Gas Operator | Sep 2024 |
| 15 | RB Operating Company | Shawnee, OK 74802-1488 | Oil & Gas Operator | Apr 2015 |
| 16 | Reading & Bates Petroleum Co | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2009 |
| 17 | Rebellion Energy LLC | Tulsa, OK 74135-6241 | Oil & Gas Operator | Jun 2022 |
| 18 | Red Eagle Oil Company | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2005 |
| 19 | Red Plains Oil & Gas LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Oct 2017 |
| 20 | Red Rocks Oil & Gas Operating LLC | Oklahoma City, OK 73103-4821 | Oil & Gas Operator | Sep 2024 |
| 21 | Red Wolf Operating LLC | Edmond, OK 73003-2179 | Oil & Gas Operator | Sep 2024 |
| 22 | Redland Development LLC | Cashion, OK 73016-9625 | Oil & Gas Operator | May 2019 |
| 23 | Redline Energy LLC | Dover, OK 73734 | Oil & Gas Operator | Sep 2024 |
| 24 | Regal Petroleum Services Inc | Euless, TX 76039-1127 | Oil & Gas Operator | May 2015 |
| 25 | Renegade Oil And Gas LLC | Helena, OK 73741-0162 | Oil & Gas Operator | Dec 2019 |
| 26 | Review Oil & Gas Inc | Edmond, OK 73034-7648 | Oil & Gas Operator | Aug 2024 |
| 27 | Reynolds J W & Associates | Sapulpa, OK 74066 | Oil & Gas Operator | Dec 2000 |
| 28 | Rhino Operating Company LLC | Brentwood, TN 37027-8760 | Oil & Gas Operator | Aug 2024 |
| 29 | Richland Resources Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Nov 2024 |
| 30 | Ricks Exploration Co | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 31 | Rimrock Resource Operating LLC | Tulsa, OK 74103-4462 | Oil & Gas Operator | Sep 2024 |
| 32 | Rio Blanco Operating LLC | Victoria, TX 77904 | Oil & Gas Operator | Aug 2024 |
| 33 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2024 |
| 34 | RKK Production Company | Mustang, OK 73064 | Oil & Gas Operator | Sep 2024 |
| 35 | RMS Monte Christo, LLC | Snowmass VLG., CO 81615 | Oil & Gas Operator | Mar 2023 |
| 36 | Roan Resources LLC | Tulsa, OK 74103-3729 | Oil & Gas Operator | Apr 2024 |
| 37 | Robinson Brothers Drilling Co | | Oil & Gas Operator | Jul 2002 |
| 38 | Rosewood Resources, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2024 |
| 39 | Rougeot Oil & Gas Corp | Sperry, OK 74073 | Oil & Gas Operator | Aug 2024 |
| 40 | RTC Resources, LLP | Weatherford, OK 73096 | Oil & Gas Operator | Nov 2024 |
| 41 | Rupe Oil Company, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Jul 2024 |
| 42 | Russell D Meloy Oil & Gas Co | Enid, OK 73703-1623 | Oil & Gas Operator | Aug 2024 |