1. Yankton Transmission Specialists 2409 E Highway 50, Yankton, SD 57078 Coordinate: 42.87915,-97.35382 Phone: (605) 665-1175
2. Ferdig's Transmissions 220 E 3rd St, Yankton, SD 57078 Coordinate: 42.86998,-97.38946 Phone: (605) 665-9012