
Quest Products LLCWisconsin, United States

Ak Globaltech Corp.New Jersey, United States

Hound Labs, Inc.California, United States

Owlstone Medical Ltd.Cambridgeshire, United Kingdom

Guardian Technologies, Inc.United States

Isotechnika, Inc.

MPD, Inc.Kentucky, United States

Psychemedics Corp.Massachusetts, United States

Akers Biosciences, Inc.New Jersey, United States

Intoximeters, Inc.Missouri, United States

Omega Laboratories Ltd.Quebec, Canada

Sentech Korea Corp.South Korea