| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Union Diversified Investments, Inc. | Gas Operator | Jun 2024 | |
| 2 | Union Diversified, Inc. | Gas Operator | Dec 2008 | |
| 3 | Union Drilling &Management Inc | Gas Operator | Feb 1991 | |
| 4 | United Southern Resources Inc. | Gas Operator | Nov 2013 |