Testo, headquartered in the Black Forest, is a global leader in portable and stationary measurement solutions. In 37 subsidiaries worldwide, 3,500 employees research, develop, produce and market for the high-tech company. The measurement technology expert convinces customers with high-precision measuring devices and innovative solutions for tomorrow's measurement data management. Products from Testo help save time and resources, protect the environment and people's health, and increase the quality of goods and services. Average annual growth of more than 10 percent since the company was founded in 1957 and current sales of 400 million euros impressively demonstrate that the Black Forest and high-tech systems are a perfect match.