Tristel Plc engages in the design, development, manufacture, and sale of infection control, contamination control and hygiene products. It operates through the following segments: Human Healthcare, Animal Healthcare and Contamination Control. The Human Healthcare segment manufactures, develops and sells infection control and hygiene products. The Animal Healthcare segment engages in the manufacture and sale of disinfection and cleaning products, principally into the veterinary and animal welfare sectors. The Contamination Control segment addresses the pharmaceutical and personal care product manufacturing industries. The company was founded by Paul C. Swinney in 1993 and is headquartered in East Cambridgeshire, the United Kingdom.