Vaisala Oyj engages in the development and manufacture of electronic measuring systems and instruments. It operates through the following segments: Industrial Measurements, Weather and Environment, and Other. The Industrial Measurements segment focuses on customers who operate in industries in which the monitoring of conditions is crucial. The Weather and Environment segment serves weather dependent markets and customers. The company was founded by Vilho Väisälä in 1936 and is headquartered in Vantaa, Finland.