Guardian Interlock

Guardian Ignition Interlock is MD’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 2914 Mountain Rd is MD 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!

Intoxalock is the no. 1 ignition interlock device brand in the U.S., and Intoxalock Ignition Interlock in Glen Burnie, MD is here to help you get back on the road after a DUI. Intoxalock has more locations than any other provider, and we can find an interlock installation location near you. We will help you understand MD interlock, or IID, laws and regulations. Our interlock installation locations are staffed with certified professionals who will install and service your car breathalyzers. For 30 years, Intoxalock has been a trusted interlock ignition device provider. Call now to talk to a MD expert.

LifeSafer Ignition interlock is the leading ignition interlock provider nationwide and home to No-Call Install, the first fully online installation booking tool. LifeSafers locations are MD certified and our expert technicians at 7909 Dorsey Run Rd. 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.