Bareiss Prüfgerätebau GmbH is a German specialist in materials testing instruments, established in 1954 by Heinrich Bareiss. Headquartered in Oberdischingen, Bareiss designs, develops, and manufactures high-precision testers for hardness on plastics, rubber, soft elastic materials, and flexible materials. Key product families include Shore hardness testers, IRHD testers, universal testing devices, and advanced rheology instruments. 

Bareiss is also a fully accredited test calibration laboratory (DAkkS, DIN EN ISO/IEC 17025) for Shore and IRHD hardness testing, offering both instrument production and calibration services from a single source. It maintains high in-house component manufacture, strong R&D, and multiple generations of family leadership. Over 100,000 units of its classic Evergreen HP tester have been sold worldwide. Its products serve industries ranging from pharmaceuticals and food to automotive, plastics, and elastomers. With global offices in locations like Hong Kong, Shanghai, North America, and Taiwan, Bareiss blends German engineering tradition with worldwide support and regulatory compliance