| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | D & H Energy, LLC | Shelby, MT 59474 | Oil & Gas Operator | Jan 2024 |
| 2 | D & M Welding LLC | Kevin, MT 59454 | Oil & Gas Operator | Feb 2024 |
| 3 | D.C. Oil | Natalia, TX 78059 | Oil Operator | Apr 2024 |
| 4 | Dart Oil & Gas Corporation | Mason, MI 48854 | Oil & Gas Operator | Jun 2018 |
| 5 | DNR Oil And Gas, Inc. | Englewood, CO 80155 | Oil & Gas Operator | Mar 2024 |
| 6 | Dry Coulee Oil & Gas Company | Oilmont, MT 59466 | Oil Operator | Oct 2003 |