Altra Industrial Motion Corp. designs, produces, and markets electromechanical power transmission products worldwide. It operates through three segments: Clutches and Brakes, Couplings, and Gearing and Power Transmission Components. The company offers clutches and brakes for material handling, forklift, elevator, medical mobility, mobile off-highway, baggage handling, and plant productivity applications, as well as for walk-behind and commercial mowers, and residential lawn tractors. It also offers indexing and backstopping clutches for industrial applications; heavy duty clutches and brakes for metal forming, oil and gas drilling platforms, mining, material handling, marine, and wind turbine applications, as well as off-highway and construction equipment segments; and gear drives, speed reducers and increasers, high-speed compressor drives, enclosed custom gear drives, enclosed gear drive and gear motor configurations, and open gearing products for industrial, material handling, mixing, transportation, and food processing applications. In addition, the company provides engineered bearing assemblies that support, guide, and reduce friction of motion between fixed and moving machine parts; and engineered belted drives, which change the speed of an electric motor or engine to the required level. Further, it offers couplings, such as gear, diaphragm and disc, elastomeric, miniature, and precision couplings, as well as universal joints, mill spindles, and shaft locking devices for food processing, oil and gas, power generation, material handling, medical, metals, mining, and mobile off-highway industries. Altra Industrial Motion Corp. sells its products through original equipment manufacturers and industrial distributors, as well as directly to end users. The company was formerly known as Altra Holdings, Inc. and changed its name to Altra Industrial Motion Corp. in November 2013. Altra Industrial Motion Corp. is headquartered in Braintree, Massachusetts.