| Business | Phone |
| A Better Security & Invstgtns 5445 Almeda Rd, Houston 77004 | (713) 738-0816 |
| Clary Investigative Agency 5359 Pine Cliff Dr, Houston 77084 | (281) 856-0408 |
| Michael Carson & Assoc 9012 N Broadway St, Houston 77034 | (713) 378-5900 |
| I & Ps 2016 Main St 606, Houston 77002 | (713) 654-1144 |