1 | S & J Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2015 |
2 | S & S Oil Company | Electra, TX 76360 | Oil & Gas Operator | Dec 2024 |
3 | S&B Petroleum Corporation | | Oil & Gas Operator | Jun 1994 |
4 | S2 Energy Operating LLC | | Oil & Gas Operator | May 2023 |
5 | Sackett Oil Company | | Oil & Gas Operator | Sep 1995 |
6 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
7 | Samson Contour Energy E&P, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2017 |
8 | Samson Exploration LLC | Tulsa, OK 74101 | Oil & Gas Operator | Oct 2024 |
9 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2024 |
10 | Sandpoint Energy Partners LLC | | Oil Operator | Jul 2024 |
11 | Sandridge Exploration And Production LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | Dec 2024 |
12 | Secondary Recovery, Inc. | | Oil & Gas Operator | Dec 1991 |
13 | Semo, Inc. | | Oil & Gas Operator | Feb 2002 |
14 | Senior Drilling & Expl Co Inc. | | Oil & Gas Operator | Apr 1993 |
15 | Setex Oil And Gas Company | Houston, TX 77002 | Oil & Gas Operator | Feb 2012 |
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 | Shocker Energy, Inc. | | Oil & Gas Operator | Oct 1992 |
20 | Shoreline Southeast LLC | | Oil & Gas Operator | Jun 2017 |
21 | Sierra Production Company | | Oil & Gas Operator | May 1986 |
22 | Singer Fleischaker Oil Op. Co. | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2002 |
23 | Singer-Fleischaker,Dillon | | Oil & Gas Operator | Aug 1979 |
24 | Sklar & Phillips Oil Co. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2000 |
25 | Smith Production Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2024 |
26 | Sohio Petroleum Co. | Casper, WY 82602 | Oil & Gas Operator | Apr 1986 |
27 | Source Petroleum Inc. | San Antonio, TX 78265 | Oil & Gas Operator | Dec 2024 |
28 | Southern G Holdings, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2007 |
29 | Southern Operating, Inc. | | Oil Operator | Dec 2000 |
30 | Spartan Petroleum Corporation | Houston, TX 77079 | Oil & Gas Operator | Oct 1987 |
31 | St. Mary Operating Company | Denver, CO 80203 | Oil & Gas Operator | Mar 2019 |
32 | Stratco Operating Co Inc | Austin, TX 78701 | Oil & Gas Operator | Dec 2024 |
33 | Striper Oil, Inc. | Dallas, TX 75379 | Oil & Gas Operator | Apr 2002 |
34 | Subsurface Resources Inc | Logan, UT 84321 | Oil & Gas Operator | Aug 1990 |
35 | Summit Energy, Inc. | Littleton, CO 80127 | Oil & Gas Operator | Aug 2013 |
36 | Sun Exploration-Production Co. | | Oil & Gas Operator | Jan 1990 |
37 | Sun Texas Company | | Oil & Gas Operator | Jun 1981 |
38 | Sunland Production Company, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Sep 2024 |
39 | Superior Oil Co. | Denver, CO 80217-5444 | Oil & Gas Operator | Feb 2001 |
40 | Sutton Joint Account | | Oil Operator | Mar 1988 |
41 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
42 | Synergy Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | Nov 2019 |