| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Igas Corp | Gas Operator | Dec 2000 | |
| 2 | Indian Hill Gas Co Inc | Oil & Gas Operator | Dec 2025 | |
| 3 | Integrity Funding Sys Inc | Gas Operator | Dec 2007 | |
| 4 | Interstate Gas MKT Inc | Indiana, PA 15701 | Oil & Gas Operator | Dec 2018 |