Oil & Gas Companies in Washington County, OK
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | H & H Exploration | Tulsa, OK 74132 | Oil & Gas Operator | Jan 2006 |
| 2 | H & H Production | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2015 |
| 3 | H & S Oil Company | Kellyville, OK 74039 | Oil & Gas Operator | Mar 1998 |
| 4 | Haas Petroleum LLC | Prairie VIllage, KS 66208 | Oil Operator | Jun 2025 |
| 5 | Hadson Petro USA Inc | | Oil & Gas Operator | Nov 2016 |
| 6 | Hamlin Jim | Dewey, OK 74029 | Oil & Gas Operator | Aug 1999 |
| 7 | Harper Joe Howard Dba J H Field Service | Nowata, OK 74048-9704 | Oil & Gas Operator | Aug 2025 |
| 8 | Harrington Orville | Dewey, OK 74029 | Oil Operator | Aug 2025 |
| 9 | Hat-Top Production Co | Duncan, OK 73533 | Oil Operator | Apr 2011 |
| 10 | Hays Herb E & K S | Bartlesville, OK 74006 | Oil Operator | Jul 2025 |
| 11 | Heath Jack A | Tulsa, OK 74132-2403 | Oil & Gas Operator | Jan 2013 |
| 12 | Heller Phillip & Charlene | Columbia, MO 65201 | Oil & Gas Operator | Jul 2025 |
| 13 | Helmerich & Payne, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Aug 2025 |
| 14 | Heuston Oil LLC | Bartlesville, OK 74006 | Oil & Gas Operator | Apr 2020 |
| 15 | HHH & G Oil Co | Owasso, OK 74055 | Oil Operator | Jun 2020 |
| 16 | Hillside Resources | Bartlesville, OK 74005 | Oil & Gas Operator | Jan 2007 |
| 17 | Holt James | Skiatook, OK 74070-0006 | Oil & Gas Operator | Feb 2020 |
| 18 | Home Petroleum Corp | Victoria, TX 77902 | Oil & Gas Operator | Dec 2025 |
| 19 | Hudgens Lester E | Bartlesville, OK 74006-0215 | Oil Operator | Mar 2015 |
| 20 | Huitt Joe A | Tulsa, OK 74103 | Oil & Gas Operator | May 2001 |
| 21 | Hulse Steve & Frank | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2000 |
| 22 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Dec 2025 |
Production numbers shown above are only for Washington County, OK and for the production period listed.