Guardian Interlock Systems is an independent, family-owned Australian company that provides all aspects of interlock program management to state transport authorities in Australia. Guardian provides interlock services in metropolitan and regional areas, and has more than 3600 active programs, serviced by 60 centres. Guardian uses products and services from Alcohol Countermeasure Systems which was established in 1976 to design and develop an alcohol interlock device to prevent a driver from starting a vehicle after consumption of alcohol. Guardian has achieved ISO 9000 certification, and its products are certified to Australian Standard AS 3547.
The FMStudio developed their Participants Issues Management & Tracking System.