1 | Hall Energy Company LLC | Oklahoma City, OK 73120-5020 | Oil & Gas Operator | Jul 2022 |
2 | Hallwood Energy Corporation | Oklahoma City, OK 73154 | Oil & Gas Operator | Feb 2005 |
3 | Hallwood Petroleum, Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
4 | Halvey Energy Co. | Midland, TX 79702 | Oil & Gas Operator | Oct 2004 |
5 | Hamman Oil & Refining Company | Houston, TX 77098 | Oil & Gas Operator | Dec 2024 |
6 | Hanley Petroleum Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2017 |
7 | Hanson Operating Company Inc | Roswell, NM 88202 | Oil & Gas Operator | Sep 2024 |
8 | Hat Oil & Gas, Inc. | Slaton, TX 79364 | Oil & Gas Operator | Feb 2002 |
9 | Headington Energy Partners, LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2024 |
10 | Hec Petroleum, Inc | Midland, TX 79705 | Oil & Gas Operator | Mar 2006 |
11 | Heifer Production Company LLC | Austin, TX 78746 | Oil & Gas Operator | Dec 2024 |
12 | Helms Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Dec 2024 |
13 | Henderson & Erickson, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
14 | Henry Petroleum Corp. | Midland, TX 79703 | Oil & Gas Operator | Mar 2001 |
15 | Henry Petroleum LP | Midland, TX 79701 | Oil & Gas Operator | Dec 2008 |
16 | Henry Resources LLC | Midland, TX 79703 | Oil & Gas Operator | Dec 2024 |
17 | Heritage Resources, Inc. | Dallas, TX 75219 | Oil & Gas Operator | Feb 2014 |
18 | Heritage Standard Corporation | Dallas, TX 75206 | Oil & Gas Operator | Dec 2024 |
19 | Hexp Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2024 |
20 | HGB Oil Company | Denver, CO 80224 | Oil Operator | Mar 2006 |
21 | High Sky Partners LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2015 |
22 | Hillin Prod. Co. | Odessa, TX 79760 | Oil & Gas Operator | Apr 2002 |
23 | Hillside Oil & Gas, LLC | Midland, TX 79708 | Oil & Gas Operator | Apr 2016 |
24 | Holly Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2008 |
25 | Houston Oil & Gas Company, Inc. | Houston, TX 77063 | Oil & Gas Operator | Aug 1995 |
26 | Houston Oil & Minerals Corp. | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
27 | HPPC, Inc. | Midland, TX 79701 | Oil & Gas Operator | Feb 2023 |
28 | Hulsey Larry O & Co | Graham, TX 76046 | Oil & Gas Operator | Jun 2012 |
29 | Humble Oil & Refining Co. | Houston, TX 77252 | Oil & Gas Operator | Jan 2000 |
30 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Dec 2024 |
31 | Hurst Oil & Gas, Inc. | Hillsboro, TX 76645 | Oil & Gas Operator | Dec 2024 |