Oil & Gas Companies in Campbell County, WY
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 701 | Winter Ridge Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Sep 2011 |
| 702 | WLP Oil Inc | Gillette, WY 82717 | Oil & Gas Operator | Dec 2018 |
| 703 | Wold Energy Partners LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2022 |
| 704 | Wold Oil & Gas | | Oil & Gas Operator | Oct 1996 |
| 705 | Wold Oil Properties Inc | Denver, CO 80203 | Oil & Gas Operator | Feb 2018 |
| 706 | Wolf Energy Company | | Oil & Gas Operator | Dec 1985 |
| 707 | Wolverine Operations LLC | Buffalo, WY 82834 | Gas Operator | Oct 2008 |
| 708 | Wood River Oil & Refining Co | | Oil & Gas Operator | Dec 1998 |
| 709 | Woods Petroleum Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 710 | WPX Energy Rocky Mountain LLC | Tulsa, OK 74101 | Oil & Gas Operator | Nov 2025 |
| 711 | WRC Energy LLC | Tulsa, OK 74135 | Oil & Gas Operator | Oct 2025 |
| 712 | Wulf Oil Co | | Oil & Gas Operator | Dec 1984 |
| 713 | Wy Basin Operating LLC | Dallas, TX 75206 | Oil & Gas Operator | Oct 2025 |
| 714 | Wyatt Petroleum Corporation | Evergreen, CO 80437 | Gas Operator | Jul 2002 |
| 715 | Wyoil Corp | Buffalo, WY 82834 | Oil Operator | Aug 2025 |
| 716 | Wyoming Resources Corporation | Rapid City, SD 57702 | Oil & Gas Operator | Oct 2018 |
| 717 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
| 718 | Xog Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 719 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Dec 2025 |
| 720 | Yates Drilling Company | Artesia, NM 88210 | Oil & Gas Operator | Dec 2021 |
| 721 | Z & S Construction Co Inc | Kimball, NE 69145 | Oil & Gas Operator | Oct 2025 |
| 722 | Zerbst James E | | Oil & Gas Operator | Apr 2007 |
Production numbers shown above are only for Campbell County, WY and for the production period listed.