Altra Industrial Motion Corp. designs, produces, and markets a range of electromechanical power transmission motion control products for use in various motion-related applications, and high-volume manufacturing and non-manufacturing processes. The company operates in two segments, Power Transmission Technologies (PTT) and Automation & Specialty (A&S). The PTT segment offers couplings, such as gear couplings, diaphragm and disc couplings, elastomeric couplings, miniature and precision couplings, universal joints, mill spindles, and shaft locking devices under the Ameridrives, Bibby, Guardian, Huco, Lamiflex, Stromag, and TB Wood's brands; clutches and brakes under the Industrial Clutch, Formsprag, Stieber, Stromag, Svendborg, Twiflex, and Wichita brands; electromagnetic clutches and brakes under the Inertia Dynamics, Matrix, Stromag, and Warner Electric brands; and gears under the Bauer Gear Motor, Boston Gear, Delroyd, and Nuttall brands.