| Business | Phone |
| Democratic Party Of Collin 1715 K Ave 201, Plano 75074 | (972) 578-1483 |
| Sam Johnson Campaign Office 1611 K Ave, Plano 75074 | (972) 424-9573 |
| Shapiro Campaign 7200 Bishop Rd, Plano 75024 | (972) 608-2622 |
| Fred Moses Campaign 1304 Capital Ave, Plano 75074 | (972) 423-6644 |
| Republican Hdqtrs Of Collin 2520 K Ave 280, Plano 75074 | (972) 424-2122 |
| Collin County Women's Pltcl Po Box 861304, Plano 75086 | (214) 833-6821 |