Johnstech International, founded in 1991, is a global research and development leader in microcircuit testing. The company engineers proprietary test contactors for the semiconductor industry, serving sectors including automotive, commercial, and industrial applications.
The firm's portfolio includes several proprietary test contactor technologies, such as VROL®, ROL®, HERØ, and DAISHO. Its core technical domains are microcircuit testing and semiconductor test equipment engineering.
Johnstech International is headquartered in Minneapolis, Minnesota, with additional offices in Santa Clara, California, Singapore, and the Philippines.





