| Business | Phone |
| Clone Computer Corp 14839 Inwood Rd, Addison 75001 | (972) 934-2200 |
| Dataproducts Printer Sales 4480 Beltway Dr, Addison 75001 | (972) 788-8408 |
| Tech Fab Corp 15167 Business Ave, Addison 75001 | (972) 406-9177 |
| Usi 4849 Keller Springs Rd, Addison 75001 | (214) 808-8738 |
| Technical Cabling Systems 4553 Westgrove Dr, Addison 75001 | (972) 733-4469 |