Altra Holdings, Inc. is a designer, producer and marketer of a range of mechanical power transmission (MPT), and motion control products serving customers in a diverse group of industries, including energy, general industrial, material handling, mining, transportation and turf and garden. The Company’s product portfolio includes industrial clutches and brakes, enclosed gear drives, open gearing, engineered belted drives, couplings, engineered bearing assemblies, linear components and other related products. Its subsidiaries include Colfax Corporation, Altra Industrial Motion, Inc., Hay Hall, Bear Linear, TB Wood’s and All Power Transmission Manufacturing, Inc. The Company divested TB Wood’s adjustable speed drives business or Electronics Division to Vacon, Inc.