Omega Diagnostics Group Plc is a holding company, which engages in the manufacture, development, and distribution of medical diagnostics products. It operates through the following segments: Allergy and Autoimmune, Food Intolerance, and Infectious Disease. The Allergy and Autoimmune segment involves in the research, development, production and marketing of in-vitro allergy and autoimmune tests. The Food Intolerance segment includes research, development, and production of kits to aid the detection of immune reactions to food. The Infectious Disease segment specializes in the research, development, and production and marketing of kits to aid the diagnosis of infectious diseases. The company was founded by Andrew Shepherd in 1987 and is headquartered in Alva, the United Kingdom.