| 1 | Gel Petroleum, Inc. | Bay City, TX 77414 | Oil & Gas Operator | Jun 2025 |
| 2 | Gemini Energy Company | Kilgore, TX 75663 | Oil Operator | Jun 2025 |
| 3 | Genecov Group, Inc. The | Tyler, TX 75713 | Oil & Gas Operator | Dec 2002 |
| 4 | Geo-Vest Of Texas, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2008 |
| 5 | Geodyne Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2015 |
| 6 | GGP Exploration, LTD. | Fort Worth, TX 76101 | Oil & Gas Operator | Jun 2025 |
| 7 | Giant NRG Co., LP | Dallas, TX 75230 | Oil & Gas Operator | Jun 2025 |
| 8 | Glade Operating Co. | Longview, TX 75604 | Oil & Gas Operator | Jun 2025 |
| 9 | Glade Production | Gladewater, TX 75647 | Oil & Gas Operator | Nov 2008 |
| 10 | Gladewater Production Co., Inc. | Gladewater, TX 75647 | Oil & Gas Operator | Nov 1998 |
| 11 | Global Natural Resources Corp. | Houston, TX 77002 | Oil & Gas Operator | May 1998 |
| 12 | GM Petroleum | Gulf Breeze, FL 32561 | Oil & Gas Operator | Mar 2014 |
| 13 | Goforth Production Company | Rockdale, TX 76567 | Oil Operator | Feb 2014 |
| 14 | Goldking Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
| 15 | Goldston Oil Corporation | Houston, TX 77257 | Oil & Gas Operator | Jun 2025 |
| 16 | Graham Royalty LTD | Covington, LA 70434 | Oil & Gas Operator | Jul 2007 |
| 17 | Granite Oil Company | Austin, TX 78716 | Oil & Gas Operator | Nov 2000 |
| 18 | Graystone Energy Corporation | Judson, TX 75660 | Oil & Gas Operator | Jun 2025 |
| 19 | Green River Resources Inc. | Keystone, CO 80435 | Oil & Gas Operator | Jun 2025 |
| 20 | Gregg Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2025 |
| 21 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 22 | Guest Petroleum Incorporated | Edmond, OK 73013 | Oil & Gas Operator | Mar 2025 |
| 23 | Gulf Central Petroleum Corp. | Dallas, TX 75252 | Oil & Gas Operator | Jun 2025 |
| 24 | Gulftex Operating Inc | Plano, TX 75093 | Oil & Gas Operator | Jun 2025 |