Williamson County Auto Dealerships
These Williamson county dealerships are involved in the AirCheck Texas vehicle replacement program. If you are eligible you MUST use one of these participating dealerships.
The list of automotive dealers participating in the Drive a Clean Machine program in the Williamson County area is available on the Williamson County Participating Auto Dealerships list . The Williamson County AirCheckTexas is the local program administrator for Williamson County.