| Colorado Oil & Gas Association | N/A · N/A | CO | 20100729 | $20K |
| Bill Barrett Corporation | n/a · n/a | CO | 20120305 | $15K |
| Pioneer natural Resources USA, Inc. | N/A · N/A | CO | 20101026 | $15K |
| EnCana Oil & Gas (USA) Inc., | N/A · N/A | CO | 20101122 | $10K |
| Chesapeake Operating, Inc. | N/A · N/A | OK | 20110314 | $10K |
| Chesapeake Operating, Inc. | n/a · n/a | OK | 20120409 | $10K |
| Bill Barrett Corporation | N/a · N/A | CO | 20110207 | $5K |
| Mull Drilling Company, Inc. | N/A · N/A | CO | 20100913 | $5K |
| El Paso Corp Political Action Committee | n/a · n/a | TX | 20120511 | $5K |
| QEP Energy Company | N/A · N/A | UT | 20101220 | $2K |
| Cabot Oil & Gas Company | N/A · N/A | TX | 20110124 | $1K |
| Ultra Resources, Inc. | N/A · N/A | CO | 20111128 | $1K |
| Cirque Resources LP | n/a · n/a | CO | 20111219 | $1K |
| Renegade Oil & Gas Company, LLC | n/a · n/a | CO | 20111213 | $1K |
| Summit Medstream Partners, LLC | n/a · n/a | GA | 20120119 | $1K |
| Black Diamond Minerals, LLC | N/A · N/A | CO | 20100824 | $1K |
| G3 Operating, LLC | N/A · N/A | TX | 20110321 | $1K |
| Incremental Oil & Gas | N/A · N/A | CA | 20121029 | $1K |
| QEP Energy Company | n/a · N/a | UT | 20110131 | $950 |
| Pioneer Natural Resources | n/a · n/a | TX | 20120416 | $675 |
| Beatty & Wozniak, P.C. | N/A · N/A | CO | 20120119 | $525 |
| Whiting Oil & Gas Corp | N/A · N/A | CO | 20100913 | $525 |
| Anadarko Petroleum Corp | n/a · n/a | TX | 20120423 | $525 |
| Whiting Oil & Gas Corp | n/a · n/a | CO | 20120604 | $525 |
| Heartland Oil & Gas Company | N/A · N/A | CO | 20100913 | $500 |
| Flatiron Energy Company, Inc. | N/A · N/A | CO | 20100913 | $500 |
| Marshall C. Crouch III | N/A · Oil & Gas | CO | 20110131 | $500 |
| Julander Energy Company | N/A · N/A | CO | 20101101 | $500 |
| White Eagle Exploration | N/A · N/A | CO | 20110301 | $500 |
| Thomas Sheffield | Pioneer Natural Resources · Oill & Gas Exec. | CO | 20120416 | $475 |
| Continental Resources | N/A · N/A | OK | 20111031 | $300 |
| Mull Drilling Company, Inc | N/A · N/A | KS | 20101220 | $75 |
| Mull Drilling Company | N/A · N/A | KS | 20110131 | $75 |