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Guardian Ignition Interlock is TX’s most affordable ignition interlock device. Guardian’s device is discreet and one of the easiest to use devices on the market. With over 30 years of experience, Guardian is one of the most trusted iid brands. Our location at 1146 Sheffield Blvd is TX certified with expert technicians for all your interlock installation and calibration needs. Guardian alcohol monitoring products include 24/7 customer support so we're always here when you need. Schedule an installation today and get back on the road with our quick and easy installation process!

Smart Start is the #1 Ignition Interlock Device provider in Baytown with same-day installation available for your vehicle. We’re a convenient and affordable Texas IID supplier located in Decker at 1215 Decker Dr with mobile services and price matching available to give you the best value. Our reliable customer service experts and licensed technicians will make your IID device experience quick & low stress. Smart Start is ready to schedule your Ignition Interlock Device installation in Baytown. Call our Decker location & talk to a Program Advisor, who will help you schedule an appointment for your IID installation, calibration or removal.

LifeSafer Ignition interlock is the leading ignition interlock provider nationwide and home to “No-Call Install”, the first fully online installation booking tool. LifeSafer’s locations are TX certified and our expert technicians at 916 E Hwy 6 can handle all your installation and calibration needs. LifeSafer has over 30 years of ignition interlock experience and has helped over 1.5 million people get back on the road again.