| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 401 | Yale Oil Association, Inc. | Oklahoma City, OK 73105 | Oil & Gas Operator | Apr 2024 |
| 402 | Zadeck Energy Group Inc | Oil & Gas Operator | Jun 2013 | |
| 403 | Zeagler Enterprises, Inc. | Shreveport, LA 71115 | Oil & Gas Operator | Mar 2009 |