| Business | Phone |
| E N Smith Iii Energy Corp 2900 Victory Dr A, Marshall 75672 | (903) 935-5232 |
| Howell Oil & Gas Inc 3700 E End Blvd S, Marshall 75672 | (903) 935-0999 |
| Red Oak Energy Inc Marshall 75670 | (903) 935-8008 |
| E N Smith Iii 2900 Victory Dr A, Marshall 75672 | (903) 927-2842 |