Guardian Interlock

Guardian_Interlock_web2Guardian Interlock Systems has been the leading manufacturer of affordable, high-quality Breath Alcohol Ignition Interlock Devices (BAIIDS/IIDS) for over 30 years. Our products are designed and engineered to ensure safety for everyone while helping drivers get back on the road.

Guardian began in 1985, when we introduced the first Interlock device in the state of California. Since then, our company has expanded to 400 service centers in 26 states, all offering drivers courteous, prompt and expert assistance.

Guardian’s mission is to produce technologically innovative and reliable products at a reasonable price. Regarded as an industry leader, we have developed an affordable and accurate interlock device, in multiple configurations, to meet and exceed the National Highway Traffic Safety Administration (NHTSA) specifications. In numerous studies Guardian has been shown to match or exceed other manufacturers in the accuracy and reliability of their devices.

Guardian Interlock Device Benefits