1 | S2 Energy Operating LLC | | Oil & Gas Operator | May 2023 |
2 | Sabine Corporation | Oklahoma City, OK 73116 | Oil & Gas Operator | Jul 1996 |
3 | Sam Jones & Assoc Prod Div Inc | | Oil & Gas Operator | Feb 1999 |
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 | Sandefer Petroleum Co. | | Oil & Gas Operator | Apr 1994 |
9 | Santa Fe Energy Resources, Inc. | Houston, TX 77024 | Oil & Gas Operator | Mar 2008 |
10 | Seahawk Oil & Gas Company | Dallas, TX 75379 | Oil & Gas Operator | Aug 2007 |
11 | Sealexco | | Oil & Gas Operator | Jun 1992 |
12 | Senior G&A Operating Co Inc | | Oil & Gas Operator | Nov 1991 |
13 | Shale Energy International, LLC | | Oil & Gas Operator | May 2024 |
14 | Shelf Energy, LLC | | Oil & Gas Operator | Jun 2024 |
15 | Shell Offshore Inc. | New Orleans, LA 70161 | Oil & Gas Operator | Jan 2008 |
16 | Shell Oil Company | Houston, TX 77210 | Oil & Gas Operator | Apr 2015 |
17 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
18 | Shore Oil Company | | Oil & Gas Operator | May 1998 |
19 | Shoreline Southeast LLC | | Oil & Gas Operator | Jun 2017 |
20 | Shuteston Oil & Gas | | Oil & Gas Operator | Sep 1997 |
21 | Signal Petroleum | | Oil & Gas Operator | Jul 1980 |
22 | Smith Production Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2024 |
23 | Snyder Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2015 |
24 | Snyder Oil Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 2008 |
25 | Sohio Petroleum Co. | Casper, WY 82602 | Oil & Gas Operator | Apr 1986 |
26 | Solatex | | Oil & Gas Operator | Oct 1978 |
27 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
28 | Sonora Producing, Inc. | | Oil & Gas Operator | May 2006 |
29 | Southport Exploration Inc | Tulsa, OK 74103-4015 | Oil & Gas Operator | Nov 1998 |
30 | Southwest Oil Properties, Inc. | | Oil & Gas Operator | Feb 1996 |
31 | Southwest Rig Service | | Oil & Gas Operator | Nov 1998 |
32 | Southwestern Energy Prod Co | Houston, TX 77032 | Oil & Gas Operator | Jun 2015 |
33 | Square Mile Energy, L.L.C. | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
34 | SRP Production Corp. | | Oil & Gas Operator | Nov 1997 |
35 | St. Mary Energy Company | Houston, TX 77079 | Oil & Gas Operator | Aug 2008 |
36 | St. Mary Land & Exploration Co | Denver, CO 80201 | Oil & Gas Operator | Jun 2010 |
37 | St. Mary Operating Company | Denver, CO 80203 | Oil & Gas Operator | Mar 2019 |
38 | Stone Energy Corporation | Denver, CO 80202-2828 | Oil & Gas Operator | Oct 2014 |
39 | Stone Petroleum Corporation | | Oil & Gas Operator | Dec 1996 |
40 | Strata Energy, Inc. | | Oil & Gas Operator | Sep 1983 |
41 | Stratco Operating Co Inc | Austin, TX 78701 | Oil & Gas Operator | Dec 2024 |
42 | Summit Energy, Inc. | Littleton, CO 80127 | Oil & Gas Operator | Aug 2013 |
43 | Summit Overseas Expl., Inc. | Denver, CO 80226 | Oil & Gas Operator | Apr 2007 |
44 | Sun Exploration-Production Co. | | Oil & Gas Operator | Jan 1990 |
45 | Sunchase Exploration, Inc. | | Oil & Gas Operator | Oct 1997 |
46 | Superior Oil Co. | Denver, CO 80217-5444 | Oil & Gas Operator | Feb 2001 |
47 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |