| Business | Phone |
| Dr Trans 1031 Grand Ave, San Marcos 92078 | (760) 471-0594 |
| Alliance Transmissions 1288 W San Marcos Blvd # 100, San Marcos 92078 | (760) 471-2303 |
| San Marcos Transmissions 738 W San Marcos Blvd, San Marcos 92078 | (760) 591-3644 |
| Metro Transmissions Inc 1635 Grand Ave, San Marcos 92078 | (760) 471-0223 |