2014 Reports
- Anadarko Petroleum Corporation
- Augustus Energy Resources LLC
- Bayswater Exploration & Production, LLC
- Bonanza Creek Energy Operating Company, LLC
- Carrizo Oil & Gas, Inc.
- Cascade Petroleum LLC
- ConocoPhillips Company
- Divide Creek Gathering System LLC
- Endeavor Operating Corporation
- Extraction Oil & Gas LLC
- Mull Drilling Company
- Nighthawk Production, LLC
- Noble Energy, Inc.
- Petron Development Company
- Prime Operating Company
- Sterling Energy Investments LLC
- Synergy Resources
- Whiting Oil & Gas Corporation
- Wiepking-Fullerton Energy, LLC
- WPX Energy Rocky Mountain, LLC
- Xcel Energy