Oil & Gas Companies in Frio County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Ogog Operating, LLC | Dallas, TX 75367 | Oil & Gas Operator | Oct 2025 |
| 2 | Oilex Int'L Investments, Inc. | Luling, TX 78648 | Oil & Gas Operator | Oct 2025 |
| 3 | Okla. Magic Circle Energy Corp. | Shawnee, OK 74801 | Oil & Gas Operator | Jul 2004 |
| 4 | Olmos Partners, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Oct 2025 |
| 5 | Omber Petroleum & Energy Corp. | New Braunfels, TX 78131 | Oil & Gas Operator | Oct 2025 |
| 6 | Omimex Petroleum Inc | Fort Worth, TX 76120 | Oil & Gas Operator | Aug 2022 |
| 7 | Omni Operating Company(A) | Dallas, TX 75370 | Oil & Gas Operator | Oct 2025 |
| 8 | Origin Production Company, Inc. | New Braunfels, TX 78132 | Oil & Gas Operator | Oct 2025 |
| 9 | Oryx Energy Company | Dallas, TX 75221 | Oil & Gas Operator | May 2002 |
| 10 | Overly Operating Co. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2013 |
Production numbers shown above are only for Frio County, TX and for the production period listed.