Top 50 Reporting Companies
- EOG Resources, Inc. -5956 Disclosures
- Anadarko Petroleum Corporation -5300 Disclosures
- Chesapeake Operating, Inc. -4571 Disclosures
- XTO Energy/ExxonMobil -4565 Disclosures
- Pioneer Natural Resources -4535 Disclosures
- Apache Corporation -3354 Disclosures
- Devon Energy Production Company L. P. -3312 Disclosures
- Encana Oil & Gas (USA) Inc. -3083 Disclosures
- Marathon Oil -2957 Disclosures
- Aera Energy Llc -2904 Disclosures
- Occidental Oil and Gas -2814 Disclosures
- ConocoPhillips Company/Burlington Resources -2786 Disclosures
- CHESAPEAKE -2488 Disclosures
- Chevron USA Inc. -2478 Disclosures
- Newfield Exploration -2346 Disclosures
- COG Operating LLC -2250 Disclosures
- Southwestern Energy -2193 Disclosures
- Continental Resources, Inc -2125 Disclosures
- WPX ENERGY -1820 Disclosures
- Whiting Petroleum -1737 Disclosures
- Energen Resources Corporation -1736 Disclosures
- Hess Corporation -1653 Disclosures
- Noble Energy, Inc. -1645 Disclosures
- SandRidge Energy -1625 Disclosures
- BHP Billiton Petroleum -1590 Disclosures
- QEP Energy Company -1551 Disclosures
- EP ENERGY -1519 Disclosures
- XTO Energy -1438 Disclosures
- EQT PRODUCTION -1403 Disclosures
- EOG Resources, Inc -1347 Disclosures
- SM Energy -1329 Disclosures
- PDC Energy -1290 Disclosures
- Antero Resources Corporation -1077 Disclosures
- Range Resources Corporation -1046 Disclosures
- APACHE CORP -1042 Disclosures
- Noble Energy Inc -1040 Disclosures
- Parsley Energy Operations, LLC -1024 Disclosures
- Ultra Resources -980 Disclosures
- Cimarex Energy Co. -960 Disclosures
- SEECO, Inc. -958 Disclosures
- Diamondback E&P LLC -929 Disclosures
- Cabot Oil & Gas Corp -888 Disclosures
- CrownQuest Operating, LLC -842 Disclosures
- BP America Production Company -836 Disclosures
- EnerVest, Ltd. -811 Disclosures
- Oasis Petroleum -807 Disclosures
- Murphy Exploration and Production USA -762 Disclosures
- Laredo Petroleum, Inc. -760 Disclosures
- EXTRACTION OIL & GAS LLC -755 Disclosures
- Lewis Energy Group -752 Disclosures