General Info

Guardian Interlock Systems is a national manufacturer of economical Breath Alcohol Ignition Interlock Devices (BAIIDS/IIDS). Established in 1985, Guardian Interlock Systems has grown to 400 service centers in 26 states. The device can be attached to the ignition of a vehicle, and requires the driver to blow into it. The vehicle will start only if the alcohol concentration in the personÕs blood is below specified levels, otherwise the device will not allow the vehicle to start. The device is also equipped with a detachable handset that acts as vehicle anti-theft gadget. Guardian Interlock Systems has an office at Fort Worth, Texas.