For 60 years, Testo has been known for creating innovative measuring solutions made in Germany. In 33 subsidiary companies around the world, 2,750 employees research, develop, produce and market for the high-tech company. Products from Testo help to save time and resources, to protect the environment and the health of humans, and to increase the value of goods and services. The average annual growth is over 10 % since founding in 1957, and the current turnover is more than a quarter of a billion Euros. Testo invests about a tenth of the annual turnover in Research & Development.