| Company | REPUBLICAN OIL AND GAS LLC |
| Business Number | 5070212 |
| Company | SHANE & FIRKEL, P.C. |
| Business Number | 5104999 |
| Company | HIXON HOLDINGS, LLC |
| Business Number | 4984763 |
| Company | KEYSTONE OIL & GAS CONSULTING, L.L.C. |
| Business Number | 4487483 |
| Company | PANTHER DEVELOPMENT LLC |
| Business Number | 5419161 |
| Company | 125 SOUTH UNION STREET LLC |
| Business Number | 5463390 |
| Company | ELLMAN MANAGEMENT COMPANY, LLC |
| Business Number | 5469295 |
| Company | SJ MATTHEWS LLC |
| Business Number | 5502453 |