| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1201 | Yocham Harlan E. | Sapulpa, OK 74066 | Oil Operator | Aug 2013 |
| 1202 | Zeiders Bros Oil & Gas Co LLC | Edmond, OK 73003 | Oil & Gas Operator | Feb 2024 |
| 1203 | Zephyr Operating Co LLC | Oklahoma City, OK 73118-6035 | Oil & Gas Operator | Mar 2024 |
| 1204 | Zimet Brothers Inc | Oil Operator | Mar 2008 | |
| 1205 | Zuhone William H | Mattoon, IL 61938-4019 | Oil & Gas Operator | Jan 2015 |