Matrix International is a world-leading manufacturer of brakes, clutches, torque limiters and couplings operated by hydraulic, pneumatic, electromagnetic or mechanical actuation. Major customers include machine tool, off ......Matrix International is a world-leading manufacturer of brakes, clutches, torque limiters and couplings operated by hydraulic, pneumatic, electromagnetic or mechanical actuation. Major customers include machine tool, off highway, forklift truck and servomotor manufacturers. Founded in 1939, Matrix has built its reputation on high quality, cost effective, precision products custom designed for their application. In 2006 Matrix joined the Altra Industrial Motion group of companies Contact our friendly customer service team to see how we can help enhance your products.