| Business | Phone |
| B & B Automotive & Trans 131 W Day St, Denison 75021 | (903) 463-6259 |
| Charlie Brown Auto Clinic 2903 Woodlawn Blvd, Denison 75020 | (903) 465-6941 |
| David Watson Transmission 4813 S Texoma, Denison 75020 | (903) 465-0767 |
| Watson Transmission & Auto 4813 S State Highway 91, Denison 75020 | (903) 813-0776 |
| Tcs Transmission 320 N Houston Ave, Denison 75021 | (903) 463-9841 |