| Company | CLEARFIELD ENERGY LLC |
| Business Number | 3983820 |
| Company | SUMMIT ONE L.P. |
| Business Number | 3946434 |
| Company | KEYSTONE ENTERPRISES LLC |
| Business Number | 3923312 |
| Company | TRIUMPH ONE L.P. |
| Business Number | 3792110 |
| Company | KEYSTONE ENERGY LLC |
| Business Number | 3666458 |
| Company | FALCON #4 LIMITED PARTNERSHIP |
| Business Number | 3608455 |
| Company | FALCON #3 LIMITED PARTNERSHIP |
| Business Number | 3420106 |