| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Ladd Petroleum C | Oil & Gas Operator | Sep 1989 | |
| 2 | Landmark Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Mar 2026 |
| 3 | Lebosquet Gas Operations, LLC | Wichita, KS 67202 | Gas Operator | Mar 2026 |
| 4 | Linn Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2017 |
| 5 | Lone Tree Oil & Gas LLC | Greenwood VLG, CO 80111 | Oil & Gas Operator | Jul 2026 |
| 6 | Lowry Exploration Inc | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2026 |