| Business | Phone |
| B & R Marketing 4465 Ringgold Ln, Plano 75093 | (972) 985-0028 |
| Corwin Associates Inc 3901 Los Robles Dr, Plano 75074 | (972) 424-8333 |
| Electronic Sales Professional 2112 Newcastle Cir, Plano 75075 | (972) 612-3618 |
| Zec Sales Inc 1505 Precision Dr, Plano 75074 | (972) 422-7100 |