The group's principal activity is to manufacture diagnostic substances and clinical laboratories services. The group products include polyclonal and monoclonal antibodies and additives, heterophilic blocking reagent (HBR), passive heterophilic blockers, heterophilic panels, serum proteins, syscon-lyophilized controls, thyroid markers, pre-natal screens, cardiac markers, diagnostic kits and various plasma and serum products. The customers of the group are diagnostic tests manufacturers and clinicians. The group operates from the United States, Japan and France.