| Business | Phone |
| Hitachi Data Systems 10333 Richmond Ave 900, Houston 77042 | (713) 787-6777 |
| I Q Systems 9850 Meadowglen Ln 124, Houston 77042 | (713) 977-5302 |
| Cdi Investigations 10696 Haddington Dr, Houston 77043 | (713) 463-8674 |
| Emc Corp 1 Riverway 300, Houston 77056 | (713) 621-9800 |
| Indel-Davis Inc 10200 Harwin Dr, Houston 77036 | (713) 995-7650 |
| Innovus Inc 916 Dallas St, Houston 77002 | (713) 652-3845 |
| Mosier Scott & Assoc Inc 9839 Whithorn Dr, Houston 77095 | (281) 550-4550 |
| Mtm Technologies Inc 12600 Northborough Dr 200, Houston 77067 | (281) 453-4500 |