1 | R-A-R Interests | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2003 |
2 | R.C.I. Energy | Alice, TX 78333 | Oil & Gas Operator | Mar 2025 |
3 | Ragars Oil & Gas Co. | Austin, TX 78716 | Oil & Gas Operator | Mar 2025 |
4 | Ram Operating Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Sep 2012 |
5 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
6 | Ranger Oil Company | Canada, 00100 | Oil & Gas Operator | Sep 2001 |
7 | Rattlesnake Operating Co, LLC | Plntersville, TX 77363 | Oil & Gas Operator | Mar 2025 |
8 | RBT Oil Group, LLC | Houston, TX 77043 | Oil Operator | Mar 2025 |
9 | Redman Operating Company | Houston, TX 77042 | Oil & Gas Operator | May 2008 |
10 | Redwood Operating, Inc. | Houston, TX 77058 | Oil & Gas Operator | Mar 2025 |
11 | Regal Petroleum Services | Euless, TX 76039 | Oil & Gas Operator | Aug 2002 |
12 | Reichmann Petroleum Corp. | Grapevine, TX 76051 | Oil & Gas Operator | Mar 2025 |
13 | Remora Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Mar 2025 |
14 | Reneau, James Seed Co. | Shamrock, TX 79079 | Oil & Gas Operator | Mar 2025 |
15 | Reo Operating LLC | Austin, TX 78747 | Oil & Gas Operator | Mar 2025 |
16 | Republic Resources, LLC. | San Antonio, TX 78212 | Oil & Gas Operator | Mar 2025 |
17 | Resaca Resources, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | Mar 2025 |
18 | Reserve Operating Corp. | Houston, TX 77040 | Oil & Gas Operator | Mar 2025 |
19 | Ress Production Co. | Farmington, NM 87499 | Oil & Gas Operator | Mar 2025 |
20 | Richardson Operating Company | Denver, CO 80237 | Oil & Gas Operator | Nov 2024 |
21 | Richman Petroleum Corp. | Grapevine, TX 76051 | Oil & Gas Operator | Jul 2006 |
22 | Richter Operating Company | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2007 |
23 | Ricks Exploration, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2008 |
24 | Riddle Engineering Corp. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jul 2011 |
25 | Rife Oil Properties Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Mar 2025 |
26 | Riley Exploration Opg Co, LLC | La Grange, TX 78945 | Oil & Gas Operator | Mar 2025 |
27 | Rincon Petroleum Corporation | Corpus Chrsti, TX 78427 | Oil & Gas Operator | Mar 2025 |
28 | Rio Bravo Oil Company | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2002 |
29 | Rio Exploration Company | San Antonio, TX 78209 | Gas Operator | Dec 2005 |
30 | Rio Grande E&P, LLC | Houston, TX 77024 | Gas Operator | May 2022 |
31 | Rio-Tex, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Mar 2025 |
32 | Rise Petroleum Investments LLC | Tomball, TX 77377 | Oil & Gas Operator | Mar 2025 |
33 | Riseden Services, Inc. | Houston, TX 77256 | Oil & Gas Operator | Sep 1997 |
34 | RMR Operating, LLC | Plano, TX 75024 | Oil & Gas Operator | Mar 2025 |
35 | Robison, J. H. & Assoc. LTD. | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Apr 1996 |
36 | Roc Operating, Inc. | Plano, TX 75093 | Oil & Gas Operator | Oct 2008 |
37 | Rock Resources, Inc. | Corpus Chrsti, TX 78414 | Oil & Gas Operator | Mar 2025 |
38 | Rockdale Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2020 |
39 | Rocksprings Energy Company LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 1997 |
40 | Rockwell Energy, LLC | Spring, TX 77386 | Oil & Gas Operator | Sep 2014 |
41 | Rodel Oil & Gas Company | Houston, TX 77218 | Oil & Gas Operator | Mar 2025 |
42 | Rodessa Operating Company | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Mar 2025 |
43 | Roger W. McCabe, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |
44 | Roma Oil And Gas, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2025 |
45 | Ronde Operating, LLC | Houston, TX 77006 | Oil & Gas Operator | Mar 2021 |
46 | Rosenthal, Stanley H. | Bay City, TX 77404 | Oil & Gas Operator | Dec 2020 |
47 | Rosetta Resources Operating LP | San Antonio, TX 78216 | Oil & Gas Operator | Mar 2025 |
48 | Rowden Oil & Gas, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jun 2023 |
49 | Royal Oil & Gas Corp. | Indiana, PA 15701 | Oil & Gas Operator | Apr 2014 |
50 | Royal Production Company, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Mar 2025 |
51 | Royko Oil Company | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Mar 2025 |
52 | Rto Operating, LLC | San Antonio, TX 78212 | Oil Operator | Feb 2016 |
53 | Rystin Oil & Gas | Sugar Land, TX 77487 | Oil & Gas Operator | Mar 2025 |