| Business | Phone |
| Sensible Technologies Inc 9000 Southwest Fwy 324, Houston 77074 | (713) 776-0770 |
| Bmc Software Inc 2101 Citywest Blvd, Houston 77042 | (713) 918-8800 |
| Sagent Technology 2500 Citywest Blvd # 300, Houston 77042 | (713) 267-2307 |
| Computer Associates Intl Inc 840 Gessner Rd # 600, Houston 77024 | (713) 625-9300 |
| Intechtual Inc 1118 Heights Blvd, Houston 77008 | (713) 426-1200 |
| Conkurent LLC 315 Capitol, Houston 77002 | (224) 548-8594 |
| Custom Software Houston, Inc. 13280 Northwest Fwy, Houston 77040 | (713) 856-7132 |