Guardian Interlock
Product brand
UnclaimedGuardian Interlock is a U.S. provider of Breath Alcohol Ignition Interlock Devices (BAIIDs) that has served drivers for over 30 years.
Last updated September 26, 2026
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Overview
Guardian Interlock is an American brand of Breath Alcohol Ignition Interlock Devices (BAIIDs), also known as ignition interlocks, which are installed in vehicles to prevent operation by a driver who has been drinking. The company states that it has been a trusted partner in helping drivers get back on the road responsibly for over 30 years, and that its history of innovation began in 1985 when Guardian introduced the first interlock device in California. It has since grown to more than 400 service centers across 26 states, offering installation, monitoring, and support to drivers nationwide. The brand positions itself around affordability, reliability, and customer service. Its official website promotes a "Fast, Easy and Affordable" ignition interlock program, including a $0 first payment and no enrollment fee offer valid in Colorado, New Mexico, and California. Guardian emphasizes that its devices are designed to be discreet and accurate, describing the Guardian Ignition Interlock device as one of the smallest and easiest to use on the market. Customer support is available 24/7/365, and installation can be scheduled online in about five minutes. Guardian Interlock serves a range of stakeholders in the DUI compliance ecosystem. It works with DUI attorneys, recovery counselors, monitoring authorities, and road safety organizations such as Mothers Against Drunk Driving, the National Council on Alcoholism and Drug Dependence, and the AAA Foundation for Traffic Safety. Its Responsible Driver Program allows monitoring authorities to track each offender's status through a tracking and reporting system. The company also operates a provider network, recruiting service center managers to offer Guardian devices alongside their existing businesses, with Guardian retaining title to the devices and covering repair costs. According to its website, Guardian Interlock has helped hundreds of thousands of clients get back on the road safely, and studies show that most participants not only regain their licenses but maintain them voluntarily even after the program is complete. The brand's devices are designed to meet and exceed NHTSA standards, and multiple configurations are offered at a competitive price. The company continues to operate an active website with online scheduling, a blog, and 24/7 customer support.
History
Guardian Interlock traces its origins to 1985, when the company introduced the first interlock device in California. This marked the beginning of its involvement in the emerging field of breath alcohol ignition interlock technology, which is used to prevent individuals convicted of driving under the influence (DUI) from operating a vehicle after consuming alcohol. Over the following decades, Guardian expanded its footprint across the United States. According to its official website, the company has grown to over 400 service centers in 26 states, providing installation, monitoring, and support services to drivers nationwide. It describes itself as a leading manufacturer of Breath Alcohol Ignition Interlock Devices (BAIIDs) and a proven leader in the field. Guardian has also developed programs tailored to the DUI compliance ecosystem. Its Responsible Driver Program allows monitoring authorities to track offender status through a tracking and reporting system. The company works with DUI attorneys, recovery counselors, and road safety organizations to help clients comply with legal requirements and regain their driving privileges. It has over 20 years of experience working with recovery counselors and their clients on a confidential basis. In addition to its direct-to-consumer services, Guardian operates a provider network. It recruits service center managers to offer Guardian devices alongside their existing businesses, emphasizing immediate incremental profits, increased cash flow, and no warranty expense or repair cost because Guardian retains title to the devices. The company notes that every interlock device manufactured prior to 1993 is now obsolete and that it replaces these devices at no cost to its service centers. Guardian states that it has helped hundreds of thousands of clients get back on the road safely. Its devices are designed to meet and exceed NHTSA standards, and the company offers multiple configurations to fit different needs. Today, Guardian Interlock continues to operate an active website with online scheduling, a blog, and 24/7 customer support, positioning itself as a trusted and affordable provider in the ignition interlock industry.
- 1993
All interlock devices manufactured prior to 1993 became obsolete; Guardian replaces them at no cost to service centers.
- 1985
Guardian introduced the first interlock device in California.
Products and positioning
Fast, easy, and affordable ignition interlock devices with reliable equipment and 24/7 customer service.
Guardian Ignition Interlock device
A Breath Alcohol Ignition Interlock Device (BAIID) designed to be discreet, accurate, and one of the smallest and easiest to use on the market.
Responsible Driver Program
A program that allows monitoring authorities to track each offender's status through a tracking and reporting system.
Sources5 sources
- 1Guardian | Fast, Easy and Affordable Ignition Interlocksguardianinterlock.com
- 2About Us | Guardian Ignition Interlockguardianinterlock.com
- 3Partners | Guardian Ignition Interlockguardianinterlock.com
- 4Become a Guardian Interlock Provider | Guardian Ignition Interlockguardianinterlock.com
- 5Guardian Interlockwikidata.org
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