1. Smart Start 3000 N Main St Ste 5b, Baytown, TX 77521 Coordinate: 29.75482,-94.9626 Phone: (281) 427-9600
2. Smart Start Ignition Interlock 5548 N Main St Suite B7, Baytown, TX 77521 Coordinate: 29.78524,-94.96316 Phone: (281) 691-6580