Alco Alert Interlock Inc. is a leading manufacturer and supplier of interlock devices. Our experience spans over two decades, helping us provide unparalleled customer service. By making one phone call to us, we will take care of everything, including the paperwork. The ignition interlock device will be installed in your car and anyone who wants to drive will need to blow into the device. Our technicians install ignition interlocks for the residents of Los Angeles. Call us now and let our friendly staff help you get the interlock device installed quickly, safely, and with great rates.