| Company | BRADFORD DRILLING ASSOCIATES XXVII, L.P. |
| Business Number | 3865512 |
| Company | BRADFORD ENERGY PARTNERS II, L.P. |
| Business Number | 3765836 |
| Company | BRADFORD DRILLING ASSOCIATES XXVI, L.P. |
| Business Number | 3757723 |
| Company | BRADFORD INCOME PROPERTIES III, L.P. |
| Business Number | 3436867 |
| Company | BRADFORD ENERGY PARTNERS, L.P. |
| Business Number | 3418669 |