Founded in 1941 and headquartered in Renan, Switzerland, TESA manufactures and markets precision measuring instruments that stand for quality, reliability, and durability. The TESA brand is a global market leader in altimeters and a pioneer with its extensive range of instruments, including calipers, micrometers, dial indicators, lever micrometers, and inductive probes. TESA is a true benchmark for incoming inspection, on the production floor, and in quality assurance laboratories.