1 | Hadaway Consult And Engineer,LLC | Canadian, TX 79014 | Oil & Gas Operator | Dec 2024 |
2 | Haimo Oil & Gas LLC | Houston, TX 77042 | Oil & Gas Operator | Aug 2020 |
3 | Hall Oil & Gas | Coahoma, TX 79511 | Oil & Gas Operator | Dec 2024 |
4 | Hall Oil And Gas LLC | Midland, TX 79707 | Oil & Gas Operator | Dec 2024 |
5 | Hallwood Petroleum, Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
6 | Hamilton Brothers Oil Co. | Houston, TX 77057 | Oil & Gas Operator | Mar 2015 |
7 | Hankamer, Curtis Corporation,The | Houston, TX 77024 | Oil & Gas Operator | Dec 2024 |
8 | Hannathon Petroleum, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2024 |
9 | Hanson Corporation | New Braunfels, TX 78132 | Oil & Gas Operator | Mar 2008 |
10 | Harding Well Service Co. | Coahoma, TX 79511 | Oil & Gas Operator | Aug 2003 |
11 | Harmonia Petroleum Corporation | Missouri City, TX 77459 | Oil & Gas Operator | May 2017 |
12 | Harmony Drilling Company, Inc. | Denver, CO 80222 | Oil & Gas Operator | Nov 2016 |
13 | Hartoil Corporation | Post, TX 79356 | Oil & Gas Operator | Dec 2024 |
14 | Harvard Petroleum Corporation | Roswell, NM 88201 | Oil & Gas Operator | Dec 2004 |
15 | Hat Oil & Gas, Inc. | Slaton, TX 79364 | Oil & Gas Operator | Feb 2002 |
16 | Hawkeye Transmission Company | Dallas, TX 75244 | Oil & Gas Operator | Jun 2000 |
17 | Hayabusa Energy USA, LLC | Pampa, TX 79065 | Oil & Gas Operator | Dec 2024 |
18 | Hec Petroleum, Inc | Midland, TX 79705 | Oil & Gas Operator | Mar 2006 |
19 | Helmerich & Payne, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Sep 2024 |
20 | Helms Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Dec 2024 |
21 | Henderson & Erickson, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
22 | Hendrix, John H. Corporation | Midland, TX 79705 | Oil & Gas Operator | Sep 2018 |
23 | Henry Petroleum Corp. | Midland, TX 79703 | Oil & Gas Operator | Mar 2001 |
24 | Henry Petroleum LP | Midland, TX 79701 | Oil & Gas Operator | Dec 2008 |
25 | Henry Resources LLC | Midland, TX 79703 | Oil & Gas Operator | Dec 2024 |
26 | Herv Oil, LLC | Oklahoma City, OK 73116 | Oil Operator | Aug 2024 |
27 | Hexagon Oil And Gas Inc. | Fort Worth, TX 76132 | Oil & Gas Operator | Dec 2024 |
28 | Hexp Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2024 |
29 | Hibernia Resources IV, LLC | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
30 | High Desert Resources, L.L.C. | Midland, TX 79704 | Oil Operator | Dec 2024 |
31 | Highmount Expl & Prod Texas LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2014 |
32 | Highpeak Energy Holdings, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2024 |
33 | Hillin Simon/Prime Expl., L.C. | Midland, TX 79702 | Oil & Gas Operator | Jun 2000 |
34 | Hillin-Simon Oil Company | Houston, TX 77079 | Oil & Gas Operator | Mar 2013 |
35 | Hillside Oil & Gas, LLC | Midland, TX 79708 | Oil & Gas Operator | Apr 2016 |
36 | Hog Operating LLC | Dallas, TX 75201 | Oil & Gas Operator | Dec 2024 |
37 | Holly Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2008 |
38 | Hopkins, T. M. Operating Co. | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2024 |
39 | Houston Oil & Minerals Corp. | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
40 | Hrubetz Operating Company | Dallas, TX 75225 | Oil & Gas Operator | Feb 1999 |
41 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Dec 2024 |