| Business | Phone |
| Circom 2422 Canyon Creek Dr, Richardson 75080 | (972) 783-6365 |
| Gray Inc 2183 Buckingham Rd 243, Richardson 75081 | (972) 414-5869 |
| Hied Inc 1365 N Glenville Dr, Richardson 75081 | (972) 437-1317 |
| King & The Assoc 1519 Lomita Dr, Richardson 75080 | (972) 669-0047 |
| Nortel Networks Inc 2221 Lakeside Blvd, Richardson 75082 | (972) 684-1000 |