Alcotest Quebec - Distributors of alcohol measurement vending breathalyzer and breath alcohol testers. KeRo Corporation - Vending machines that save lives by alerting possible drunk driving. Coin operated, talking alcohol breath testers for home business and vending opportunities. Alcotesters.com - Personal alcohol breathalyzers used as a screening device for early detection and prevention of DUI. Online ordering. Safety Devices - Personal breath analyzer that provides accurate and timely measurements of the user's blood alcohol concentration. Online ordering. Clinical Medical Marketing - Disposable and hand held digital breathalyzers. Coin Operated Breath Alcohol Testers - Manufacturer of coin operated breath alcohol testers. Includes FAQ.