Sensirion 

Sensirion Holding AG, together with its subsidiaries, engages in the development, production, sale, and servicing of sensor systems, modules, and components in the Asia Pacific, Europe, the Middle East, Africa, and the Americas. It primarily manufactures digital microsensors and microsystems. The company offers environmental sensors for the measurement of humidity and temperature, volatile organic compounds, carbon dioxide, particulate matter, gas and liquid flow sensors, and differential pressure sensors, as well as gas leakage sensors. It also provides sensor solutions and services based on connected sensor and data systems. The company serves automotive, medical, industrial, and consumer markets. The company was incorporated in 1998 and is headquartered in Stäfa, Switzerland.