About Us

GI_IS_7How We Began

Guardian 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.

Quality Products

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.

Our Quality Promise:

We will take ownership of the total customer experience, providing accurate, timely, and reliable services enabling our customers to successfully complete their programs.

Continuing Success

Over three decades we have helped hundreds of thousands of clients regain their driving privileges. Studies show that most Guardian Interlock participants not only regain their driving privileges but keep them, even long after the device is removed. In an age when cars are indispensable, many drivers have found that the Guardian ignition interlock is the key to independence and responsible, safe, unimpaired driving.

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