| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Zim Energy Corporation | Tulsa, OK 74153 | Oil & Gas Operator | Jan 1998 |
| 2 | Zimet Brothers Inc | Oil Operator | Mar 2008 | |
| 3 | ZP Disposal Systems LLC | Kingfisher, OK 73750-7084 | Oil Operator | Feb 2024 |
| 4 | Zzron Inc. | Midland, TX 79704 | Oil & Gas Operator | Aug 2003 |