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 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... Read More about LifeSafer Ignition Interlock