Oil & Gas Companies in Ellis County, OK
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Icon Energy Company | Oklahoma City, OK 73156-1613 | Oil & Gas Operator | Feb 2025 |
| 2 | Inca Oil Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2009 |
| 3 | Indian Oil Company | Gainesville, TX 76241 | Oil & Gas Operator | Jun 2025 |
| 4 | Internorth Inc | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2014 |
| 5 | Investment Equipment LLC | FT Morgan, CO 80701 | Oil & Gas Operator | Mar 2025 |
| 6 | Ip Petroleum Company, Inc. | Houston, TX 77210 | Oil & Gas Operator | Mar 2008 |
| 7 | Irex Corporation | Englewood, CO 80111 | Oil & Gas Operator | May 2000 |
| 8 | Iron Sights Operating, Inc. | Stillwater, OK 74076 | Oil & Gas Operator | Jul 2022 |
Production numbers shown above are only for Ellis County, OK and for the production period listed.