Vaisala develops, manufactures and markets products and services for environmental and industrial measurement. They provide basis for better quality of life, environmental protection, safety, efficiency and cost savings. 

Vaisala's  main customer groups are meteorological and hydrological institutes, road and rail organizations, defense forces, aviation organizations, private sector with weather related needs, system integrators and industry worldwide.

Vaisala's competitiveness in environmental measurement is based on premium class products and a wide selection of products and services. The company caters for the needs of its diversified customers by applying four business models: instruments, measurement systems, solutions and data services. Vaisala is organized in three business divisions: Vaisala Instruments provides individual instruments for measuring weather phenomena which can also be used in various industrial applications. Vaisala Measurement Systems are, in turn, used when the phenomena are more complex and a single measurement instrument cannot be used. Vaisala Solutions' offering consists of tailored systems which are always based on the customer's application.

Environmental measurement is a niche business in which Vaisala's goal is to be the global market leader.

In 2006 Vaisala had more than 1 000 employees and achieved net sales of EUR 220.8 million. Vaisala serves customers around the world and operations outside Finland accounted for 97% of net sales.

Parent company Vaisala Oyj, domicile in Vantaa, Finland, is listed on the Helsinki Exchanges in Finland. The Vaisala Group has offices and operations in Finland, Northern America, France, United Kingdom, Germany, China, Sweden, Malaysia, Japan and Australia.