| Business | Phone |
| Lanner Group Inc 11000 Richmond Ave 680, Houston 77042 | (713) 532-8008 |
| Century Dynamics Inc 11200 Richmond Ave, Houston 77082 | (713) 474-1888 |
| Citrix Systems Inc 617 Wellesley Dr, Houston 77024 | (713) 467-8932 |
| Epiq Systems Inc 5757 Memorial Dr 200, Houston 77007 | (713) 867-6464 |
| Learmonth Burchett Management 1800 West Loop S # 900, Houston 77027 | (713) 625-9300 |
| Intersoft International Inc Po Box 218794, Houston 77218 | (281) 398-7060 |