| 1501 | Dynaco, Incorporated | | Oil & Gas Operator | Dec 1980 |
| 1502 | Dynamic Development Inc | | Oil & Gas Operator | Feb 2026 |
| 1503 | Dynamic Exploration PTRS, LLC | | Oil & Gas Operator | Nov 2024 |
| 1504 | Dynamic Exploration, Inc. | | Oil & Gas Operator | Oct 2003 |
| 1505 | Dynamic Offshore Res. NS, LLC | Houston, TX 77010 | Oil & Gas Operator | May 2010 |
| 1506 | Dynamic Offshore Resources, LLC | Houston, TX 77042 | Oil & Gas Operator | Jun 2026 |
| 1507 | Dynamic Petroleum Res., Inc. | Houston, TX 77068 | Oil & Gas Operator | Jul 1994 |
| 1508 | Dynamic Production, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2026 |
| 1509 | Dyne Exploration Company | Plano, TX 75093-6512 | Oil & Gas Operator | Apr 2020 |
| 1510 | Dyne Oil & Gas,Inc. | Borger, TX 79008 | Oil & Gas Operator | Dec 2017 |
| 1511 | Dyno Energy LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 2026 |
| 1512 | Dyson Energy Operating, LLC | Bryan, TX 77802 | Oil & Gas Operator | Jun 2018 |
| 1513 | Dzurik Interests, Inc. | | Oil & Gas Operator | Dec 2024 |