Halma plc is a United Kingdom-based life-saving technology company. It operates through three segments. The Safety segment provides products that protect people, property and assets and enable safe movement in public spaces. Its products include fire detection systems; specialist fire suppression systems; elevator safety systems; security sensors; people and vehicle flow technologies; specialized interlocks that control critical processes safely, and explosion protection and corrosion monitoring systems. Its Environmental & Analysis segment provides products and technologies that monitor and protect the environment, ensuring availability of life-critical resources, and use optical and imaging technologies in materials analysis. Its Medical segment provides products and services that enhance the quality of life for patients and improve quality of care delivered by healthcare providers. It operates in the United States, Mainland Europe, United Kingdom, Asia Pacific, and other countries.