| Business | Phone |
| Logical Solutions Inc 407 International Pkwy 406, Richardson 75081 | (972) 437-5500 |
| Reunion Resources Llc 3560 Alma Rd, Richardson 75080 | (214) 575-7500 |
| Tsr Silicon Resources Inc 1355 N Glenville Dr, Richardson 75081 | (972) 907-0011 |
| Furlong Enterprize 2000 Portsmouth Dr, Richardson 75082 | (972) 690-8276 |