1 | S & J Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2015 |
2 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
3 | Samis Oil Company, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Sep 2000 |
4 | Samson Hydrocarbons Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2016 |
5 | Samson Lone Star LP | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2007 |
6 | Samson Lone Star, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2024 |
7 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2024 |
8 | Sanders & Smith, L.C. | Amarillo, TX 79110 | Oil & Gas Operator | Mar 2004 |
9 | Sandlot Oil & Gas LLC | Gruver, TX 79040 | Oil & Gas Operator | Apr 2024 |
10 | Sanguine Gas Exploration, LLC | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2024 |
11 | Santa Fe Energy Oper. Part., LP | Houston, TX 77057 | Oil & Gas Operator | Dec 1994 |
12 | Saxet Operating Co.,Inc. | Madisonville, TX 77864 | Oil & Gas Operator | Apr 2024 |
13 | Scout Energy Management LLC | Dallas, TX 75240 | Oil & Gas Operator | Apr 2024 |
14 | Seagull Energy E & P Inc | Houston, TX 77002 | Oil & Gas Operator | Jan 2015 |
15 | Seagull Midcon Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
16 | Shamrock Texas Partners L.P. | San Angelo, TX 76904 | Oil & Gas Operator | Apr 2024 |
17 | Shannon Energy | Liberal, KS 67901 | Oil & Gas Operator | Feb 1999 |
18 | Sheridan Energy,Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2000 |
19 | Sidwell Oil & Gas, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Sep 2014 |
20 | Sidwell Operating Company, L.P. | Amarillo, TX 79105 | Oil & Gas Operator | Apr 2024 |
21 | Sierra Group, L.L.C. | San Angelo, TX 76904 | Oil & Gas Operator | Apr 2024 |
22 | Sierra Resources, Inc. | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2023 |
23 | Skycap Energy, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 2024 |
24 | SLT Dakota Operating, Inc. | Yukon, OK 73099 | Oil & Gas Operator | Apr 2024 |
25 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Apr 2024 |
26 | SMR Natural Gas Ventures Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Jan 1999 |
27 | Snappy Services, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Apr 2024 |
28 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
29 | Sonat Exploration Company-MCR | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
30 | Southwest Energy LP | Houston, TX 77002 | Oil & Gas Operator | Sep 2022 |
31 | Spindletop Drilling Co. | Dallas, TX 75230 | Oil & Gas Operator | Apr 2024 |
32 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | Apr 2024 |
33 | St. Mary Energy Company | Houston, TX 77079 | Oil & Gas Operator | Aug 2008 |
34 | St. Mary Land & Exploration Co | Denver, CO 80201 | Oil & Gas Operator | Jun 2010 |
35 | St. Mary Operating Company | Denver, CO 80203 | Oil & Gas Operator | Mar 2019 |
36 | Stahl Petroleum Co. | Amarillo, TX 79118 | Oil & Gas Operator | Aug 2003 |
37 | Staley, Jack C. | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2000 |
38 | Stallion Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Oct 2017 |
39 | Statoil Oil & Gas LP | Austin, TX 78730 | Oil & Gas Operator | Oct 2018 |
40 | Stephens & Johnson Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
41 | Sting Exploration Company | Tulsa, OK 74120 | Oil Operator | Sep 2004 |
42 | Striper Oil, Inc. | Dallas, TX 75379 | Oil & Gas Operator | Apr 2002 |
43 | Stroube Energy Corporation | Dallas, TX 75248 | Oil & Gas Operator | Jan 2012 |
44 | Summit Exploration, L.L.C. | Tulsa, OK 74119 | Oil & Gas Operator | Mar 2008 |
45 | Summit Overseas Expl., Inc. | Denver, CO 80226 | Oil & Gas Operator | Apr 2007 |
46 | Sundown Energy, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Dec 2023 |
47 | Supa Energy, Inc. | Shamrock, TX 79079 | Oil & Gas Operator | Apr 2024 |
48 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |