Kokusai Co. Ltd. engages in manufacture and sale of testers and measurement instruments for motors and rotating equipment. The company products include dynamic balancing machines, tire uniformity machines, tire and wheel assembly balancers, shaft straightening machines, torque measuring equipment, gear testers, electric coil insulation testers and seismometers. It also engages in the manufacture and sale of automatic inspection equipment. The company was founded by Shigeru Matsumoto on June 6, 1969 and is headquartered in Tama, Japan.