1 | S & J Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2015 |
2 | S2 Energy Operating LLC | | Oil & Gas Operator | May 2023 |
3 | Sable Minerals, Inc. | | Oil & Gas Operator | Nov 1993 |
4 | Samedan Oil Corp. Et Al | | Oil & Gas Operator | Jan 1989 |
5 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
6 | Samson Contour Energy E&P, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2017 |
7 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2024 |
8 | Samuel Gary Jr. And Assoc., Inc. | | Oil & Gas Operator | Mar 2023 |
9 | Sandalwood Exploration, L.P. | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
10 | Santa Fe Braun, Inc | Dallas, TX 75240-6620 | Oil & Gas Operator | Mar 1995 |
11 | Sceptre Resources Inc | | Oil & Gas Operator | Dec 2007 |
12 | Seagull Energy E & P Inc | Houston, TX 77002 | Oil & Gas Operator | Jan 2015 |
13 | Seawide Limited | | Oil & Gas Operator | Jul 1983 |
14 | Setex Oil And Gas Company | Houston, TX 77002 | Oil & Gas Operator | Feb 2012 |
15 | Shale Energy International, LLC | | Oil & Gas Operator | May 2024 |
16 | Shelf Energy, LLC | | Oil & Gas Operator | Jun 2024 |
17 | Shell Oil Company | Houston, TX 77210 | Oil & Gas Operator | Apr 2015 |
18 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
19 | Shenandoah Oil Corporation | | Oil & Gas Operator | Jun 1979 |
20 | Shocker Energy, Inc. | | Oil & Gas Operator | Oct 1992 |
21 | Shoreline Southeast LLC | | Oil & Gas Operator | Jun 2017 |
22 | Signal Petroleum | | Oil & Gas Operator | Jul 1980 |
23 | Sklar & Phillips Oil Co. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2000 |
24 | Skyline Oil Company | Salt Lake City, UT 84111 | Oil & Gas Operator | Jan 1987 |
25 | Smith Production Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2024 |
26 | Snyder Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2015 |
27 | Snyder Oil Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 2008 |
28 | Sohio Petroleum Co. | Casper, WY 82602 | Oil & Gas Operator | Apr 1986 |
29 | Solatex Resources, LTD | Houston, TX 77257 | Oil & Gas Operator | Dec 2024 |
30 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
31 | South Leeville, LLC | Houston, TX 77069 | Oil & Gas Operator | Oct 2022 |
32 | Southern Natural Gas Co | Houston, TX 77001 | Oil & Gas Operator | Dec 2011 |
33 | Southern Petroleum Company | | Oil & Gas Operator | Jan 1994 |
34 | Southern Production SVC., Inc. | | Oil Operator | Mar 1997 |
35 | Southport Exploration Inc | Tulsa, OK 74103-4015 | Oil & Gas Operator | Nov 1998 |
36 | Southwestern Energy Prod Co | Houston, TX 77032 | Oil & Gas Operator | Jun 2015 |
37 | Square Mile Energy, L.L.C. | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
38 | St. Mary Energy Company | Houston, TX 77079 | Oil & Gas Operator | Aug 2008 |
39 | Star Energy Inc | Dayton, PA 16222-4325 | Oil & Gas Operator | Dec 2023 |
40 | Stone Oil Corp & McMoran Expl | | Oil & Gas Operator | Oct 1984 |
41 | Stone Petroleum Corporation | | Oil & Gas Operator | Dec 1996 |
42 | Stratco Operating Co Inc | Austin, TX 78701 | Oil & Gas Operator | Dec 2024 |
43 | Sulphur River Exploration, Inc. | Dallas, TX 75244 | Oil & Gas Operator | Dec 2024 |
44 | Sun Exploration-Production Co. | | Oil & Gas Operator | Jan 1990 |
45 | Sun Texas Company | | Oil & Gas Operator | Jun 1981 |
46 | Sunburst, Inc. | Wheat Ridge, CO 80033 | Oil & Gas Operator | Aug 2024 |
47 | Superior - Austral | | Oil & Gas Operator | Apr 1978 |
48 | Superior Oil Co. | Denver, CO 80217-5444 | Oil & Gas Operator | Feb 2001 |
49 | Sutton Joint Account | | Oil Operator | Mar 1988 |
50 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
51 | Swift Energy Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Jun 2017 |