Oil & Gas Companies in Barber County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Eagle Creek Resources, LLC | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2024 |
| 2 | Eagle Exploratio | | Oil & Gas Operator | Oct 1991 |
| 3 | Edison Operating Company LLC | Wichita, KS 67226 | Oil & Gas Operator | Jun 2025 |
| 4 | Edmiston Oil Com | | Oil & Gas Operator | May 1994 |
| 5 | Edmiston Oil Company, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Jun 2025 |
| 6 | Edwards Oil Inco | | Oil Operator | Oct 1984 |
| 7 | Elendil Resources LLC | Pampa, TX 79066 | Oil & Gas Operator | Oct 2025 |
| 8 | Elevate Energy LTD | Aurora, CO 80016 | Oil & Gas Operator | Jun 2025 |
| 9 | End Of The Trails Re | | Oil Operator | Jun 2025 |
| 10 | Energy Reserves | | Oil & Gas Operator | Oct 1993 |
| 11 | Energy Sources I | | Oil & Gas Operator | Jul 1986 |
| 12 | Energyquest II, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Jun 2025 |
| 13 | Evergreen Operating Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2019 |
| 14 | Evolution Oil & | | Oil & Gas Operator | Apr 1993 |
| 15 | Exok, Inc. | Oklahoma City, OK 73116 | Oil & Gas Operator | Jun 2025 |
| 16 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Jul 2025 |
Production numbers shown above are only for Barber County, KS and for the production period listed.