1 | Sable Minerals, Inc. | | Oil & Gas Operator | Nov 1993 |
2 | Saline Injection Systems Co. | | Oil Operator | Jun 2024 |
3 | Samson Contour Energy E&P, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2017 |
4 | Samson Exploration LLC | Tulsa, OK 74101 | Oil & Gas Operator | Oct 2024 |
5 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2024 |
6 | Sandefer Petroleum Co. | | Oil & Gas Operator | Apr 1994 |
7 | Sante Fe Minerals | | Oil & Gas Operator | Dec 1987 |
8 | Scurlock Oil Co | Houston, TX 77210 | Oil Operator | May 1997 |
9 | Se USA Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2009 |
10 | Seaboard Pipe & Equip. Co. | | Oil & Gas Operator | May 1977 |
11 | Seagull Operating Co., Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jul 2024 |
12 | Seal Energy Company | | Oil Operator | Jun 2024 |
13 | Sealexco | | Oil & Gas Operator | Jun 1992 |
14 | Secondary Recovery, Inc. | | Oil & Gas Operator | Dec 1991 |
15 | Sevarg Company, Inc. | | Oil & Gas Operator | Feb 2016 |
16 | Shale Energy International, LLC | | Oil & Gas Operator | May 2024 |
17 | Shelf Energy, LLC | | Oil & Gas Operator | Jun 2024 |
18 | Shenandoah Oil Corporation | | Oil & Gas Operator | Jun 1979 |
19 | Simar Petroleum, LLC | | Oil Operator | Jun 2024 |
20 | Simco Oil Company | | Oil Operator | Jul 1990 |
21 | Sitwell, Inc. | | Oil Operator | May 2022 |
22 | Solatex Resources, LTD | Houston, TX 77257 | Oil & Gas Operator | Dec 2024 |
23 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
24 | Source Petroleum Inc. | San Antonio, TX 78265 | Oil & Gas Operator | Dec 2024 |
25 | South La. Production Co., Inc. | | Oil & Gas Operator | Jun 1982 |
26 | Southern Production & Expl Co. | | Oil & Gas Operator | Apr 2008 |
27 | Southwest Gas Producing Co Inc | | Oil & Gas Operator | Nov 1994 |
28 | Southwest Oil Properties, Inc. | | Oil & Gas Operator | Feb 1996 |
29 | Southwestern Energy Prod Co | Houston, TX 77032 | Oil & Gas Operator | Jun 2015 |
30 | Speco Oil Company | | Oil & Gas Operator | Feb 1980 |
31 | Square Mile Energy, L.L.C. | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
32 | SRP Production Corp. | | Oil & Gas Operator | Nov 1997 |
33 | St. Mary Land & Exploration Co | Denver, CO 80201 | Oil & Gas Operator | Jun 2010 |
34 | St. Mary Operating Company | Denver, CO 80203 | Oil & Gas Operator | Mar 2019 |
35 | Stone Petroleum Corporation | | Oil & Gas Operator | Dec 1996 |
36 | Stratco Operating Co Inc | Austin, TX 78701 | Oil & Gas Operator | Dec 2024 |
37 | Sun Exploration-Production Co. | | Oil & Gas Operator | Jan 1990 |
38 | Sun Texas Company | | Oil & Gas Operator | Jun 1981 |
39 | Sunchase Exploration, Inc. | | Oil & Gas Operator | Oct 1997 |
40 | Superior Oil Co. | Denver, CO 80217-5444 | Oil & Gas Operator | Feb 2001 |
41 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
42 | Synergy Oil & Gas, L.P. | Houston, TX 77024 | Oil & Gas Operator | May 2012 |