We are pioneers in road safety

Alcohol Countermeasure Systems (ACS) is an international group of companies with 40+ years’ experience developing innovative technology to prevent impaired driving. A designer and manufacturer of alcohol interlock devices and breath alcohol testers, ACS provides products/services to law enforcement, automotive, industrial, public and personal safety markets. ACS ensures the highest standards for products, services and the environment through its quality management system (ISO 9001, IATF 16949, ISO 14001). From its headquarters in Toronto, ACS supplies products and services worldwide to make roads safer through its regional subsidiaries in Europe, Asia, Oceania and the Americas.