1 | 4J Well Service, Inc | | Oil Operator | Oct 2024 |
2 | Abraxas Petroleum Corporation | San Antonio, TX 78259 | Oil & Gas Operator | Dec 2024 |
3 | Agate Petroleum, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Mar 2015 |
4 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
5 | Bill Barrett Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2017 |
6 | Bowers Oil & Gas, Inc. | Grand Junction, CO 81505-1097 | Oil & Gas Operator | Nov 2022 |
7 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
8 | Bta Oil Producers, LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
9 | Burlington Resources Oil & Gas Company LP | Houston, TX 77252 | Oil & Gas Operator | Dec 2024 |
10 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | Dec 2024 |
11 | Continental Oil Co. | Durango, CO 81301 | Oil & Gas Operator | Dec 1983 |
12 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Dec 2024 |
13 | Denbury Onshore, LLC | Plano, TX 75024 | Oil & Gas Operator | Dec 2024 |
14 | Depco Inc. | Denver, CO 80202 | Oil & Gas Operator | Apr 2014 |
15 | Encore Energy Partners Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2015 |
16 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | Oct 2024 |
17 | Exploration Company, The | San Antonio, TX 78258 | Oil & Gas Operator | Jun 2010 |
18 | Farmers Union Central Exchange, Inc. | | Oil & Gas Operator | May 1983 |
19 | Fidelity Exploration & Production Company | Denver, CO 80203 | Oil & Gas Operator | Nov 2024 |
20 | Four Starr Production, LLC | Dallas, TX 75243 | Oil & Gas Operator | Dec 2024 |
21 | Houston Oil & Minerals Corp. | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
22 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Dec 2024 |
23 | Luff Exploration Company | Denver, CO 80203 | Oil & Gas Operator | Oct 2024 |
24 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Dec 2024 |
25 | Murex Petroleum Corporation | Humble, TX 77347 | Oil & Gas Operator | Oct 2024 |
26 | Nadel And Gussman Rockies, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2012 |
27 | Nance Petroleum Corporation | Billings, MT 59103-7168 | Oil & Gas Operator | Nov 2007 |
28 | Newfield Production Company | The Woodlands, TX 77380-2764 | Oil & Gas Operator | Jul 2022 |
29 | Oasis Petroleum North America LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2024 |
30 | Petro Harvester Operating Company, LLC | | Oil & Gas Operator | Nov 2022 |
31 | Petroleum Inc | Wichita, KS 67202 | Oil & Gas Operator | Oct 2021 |
32 | Prima Exploration, Inc. | Denver, CO 80206 | Oil & Gas Operator | Oct 2024 |
33 | Remuda Energy Development LLC | Billings, MT 59104 | Oil & Gas Operator | Oct 2024 |
34 | Rim Operating, Inc. | Englewood, CO 80112 | Oil & Gas Operator | Dec 2024 |
35 | Scout Energy Management LLC | Dallas, TX 75240 | Oil & Gas Operator | Dec 2024 |
36 | Sequel Energy, LLC | | Oil & Gas Operator | May 2014 |
37 | Shell Western E&P | Houston, TX 77001 | Oil & Gas Operator | Dec 2024 |
38 | St. Mary Land & Exploration Co | Denver, CO 80201 | Oil & Gas Operator | Jun 2010 |
39 | Staghorn Energy, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2024 |
40 | Stone Energy Corporation | Denver, CO 80202-2828 | Oil & Gas Operator | Oct 2014 |
41 | Terra Resources, Inc. | Casper, WY 82601 | Oil & Gas Operator | Jun 1990 |
42 | Texakota, Inc. | Houston, TX 77098 | Oil & Gas Operator | Mar 2021 |
43 | Trek Resources, Inc. | Dallas, TX 75207 | Oil & Gas Operator | Dec 2024 |
44 | Universal Resources Corp. | Salt Lake Cty, UT 84145 | Oil & Gas Operator | Jan 2000 |
45 | Vanguard Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Feb 2021 |
46 | Wessely Energy Company | Dallas, TX 75206 | Oil & Gas Operator | May 2001 |
47 | Westport Oil & Gas Company LP | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2007 |
48 | White Rock Oil & Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Dec 2024 |
49 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
50 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Jul 2024 |
51 | Wyoming Resources Corporation | Rapid City, SD 57702 | Oil & Gas Operator | Oct 2018 |