1 | H & H Operating | Olney, TX 76374 | Oil & Gas Operator | Apr 2024 |
2 | H & O Operating Co | Odessa, TX 79764 | Oil & Gas Operator | Mar 2008 |
3 | H L Brown Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2024 |
4 | Hadson Energy Resources Corp. | Houston, TX 77056 | Oil & Gas Operator | Dec 1994 |
5 | Halbouty, Michel T. | Houston, TX 77056 | Oil & Gas Operator | Aug 1997 |
6 | Hallwood Energy Corporation | Oklahoma City, OK 73154 | Oil & Gas Operator | Feb 2005 |
7 | Hallwood Petroleum, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2023 |
8 | Ham Oil & Gas, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Feb 2000 |
9 | Hamon Operating Company | Dallas, TX 75201 | Oil & Gas Operator | Dec 2011 |
10 | Hampton, Jno. W. & Son | Wichita Falls, TX 76302 | Oil & Gas Operator | Nov 1998 |
11 | Hank Oil & Gas, Inc. | Houston, TX 77056 | Oil & Gas Operator | Oct 2023 |
12 | Hanley Petroleum Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2017 |
13 | Hannathon Petroleum II, LLC | Midland, TX 79705 | Oil & Gas Operator | Apr 2024 |
14 | Hannathon Petroleum, LLC | Midland, TX 79705 | Oil & Gas Operator | Apr 2024 |
15 | Hardy Oil & Gas USA Inc. | Houston, TX 77079 | Oil & Gas Operator | Jun 1996 |
16 | Harper, Wayne | Dallas, TX 75206 | Oil & Gas Operator | Mar 2008 |
17 | Headington Energy Partners, LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2024 |
18 | Hec Petroleum, Inc | Midland, TX 79705 | Oil & Gas Operator | Mar 2006 |
19 | Helmerich & Payne, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Dec 2023 |
20 | Henderson & Erickson, Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
21 | Hendrix, John H. Corporation | Midland, TX 79705 | Oil & Gas Operator | Sep 2018 |
22 | Henry Petroleum Corp. | Midland, TX 79703 | Oil & Gas Operator | Mar 2001 |
23 | Henry Petroleum LP | Midland, TX 79701 | Oil & Gas Operator | Dec 2008 |
24 | Henry Resources LLC | Midland, TX 79703 | Oil & Gas Operator | Apr 2024 |
25 | Hess Corporation | Houston, TX 77010 | Oil & Gas Operator | Aug 2017 |
26 | Hexp Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Apr 2024 |
27 | Hi - Mountain Energy Corporation | Odessa, TX 79762 | Oil & Gas Operator | Apr 2024 |
28 | Hibernia Resources III, LLC | Houston, TX 77056 | Oil & Gas Operator | Nov 2023 |
29 | Hillin-Simon Oil Company | Houston, TX 77079 | Oil & Gas Operator | Mar 2013 |
30 | Holliday Drilling, Inc. | Stephenville, TX 76401 | Oil & Gas Operator | Dec 2020 |
31 | Horizon Natural Gas Company | Tulsa, OK 74170 | Oil & Gas Operator | Dec 2023 |
32 | Houston Oil & Minerals Corp. | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
33 | HPPC, Inc. | Midland, TX 79701 | Oil & Gas Operator | Feb 2023 |
34 | Huber J M Corp | Edison, NJ 08837 | Oil & Gas Operator | Apr 2024 |
35 | Hufo Production Corporation | Midland, TX 79702 | Oil & Gas Operator | Jul 2002 |
36 | Hugoton Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Dec 2019 |
37 | Hulsey Larry O & Co | Graham, TX 76046 | Oil & Gas Operator | Jun 2012 |
38 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Apr 2024 |
39 | Hydrocarbon Management, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Dec 1996 |