Founded in 1991, Johnstech International is a global R&D leader in microcircuit testing, designing and manufacturing high-performance test contactors and proprietary testing technologies for the semiconductor industry. The company's engineering work spans microcircuit testing, semiconductor test equipment, and high-performance contactor engineering - disciplines central to ensuring the reliability and performance of modern chips.
Johnstech's product portfolio includes proprietary contactor lines such as VROL®, ROL®, HERØ, and DAISHO, which serve applications across automotive, radar systems, V2X systems, AI-powered devices, and high-speed digital applications, as well as broader commercial and industrial sectors.
The company operates from multiple locations including Minneapolis, Minnesota; Santa Clara, California; Singapore; and the Philippines, reflecting a geographic footprint that supports both North American and Asia-Pacific semiconductor manufacturing ecosystems.
