Altra Industrial Motion




MarketCap US

US United States


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. It 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. The A&S segment provides rotary precision motion solutions, including servo and stepper motors, precision linear actuators, and electronic drives and motion controllers, as well as related software under the Kollmorgen brand; and miniature motors, and motion control products, such as brush and brushless DC, can stack, and disc magnet motors under the Portescap brand. This segment also offers linear bearings, guides, glides, lead and ball screws, industrial linear actuators, resolvers, and inductors for the transition of rotary motion to linear motion under the Thomson brand. It serves in North America, the rest of Europe, Germany, China, the rest of Asia, and internationally. 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. was incorporated in 2004 and is headquartered in Braintree, Massachusetts.


The company was founded in 2004 through the acquisition of the Colfax Power Transmission Group and Kilian Manufacturing by private equity firm Genstar Capital. Which, at the time, consisted of several brands, including Ameridrives, Boston Gear, Formsprag, Marland, Nuttall/Delroyd, Stieber, Warner Electric and Wichita Clutch. Following the foundation, Altra has made several strategic acquisitions, including TB Wood's, Hay Hall , Svendborg Brakes, Bauer Gear Motor, Guardian Couplings, Lamiflex Couplings, and Bear Linear , Kollmorgen Corp, Thomson Linear, Portescap, Jacobs Vehicle Systems.

While Altra is a relatively young company, the brands have been in existence for many, many years. The brands and the year they were founded are as follows:

Altra Industrial Motion went public in December, 2006. It trades on the NASDAQ exchange under the symbol AIMC.In October 2022, Altra Industrial Motion agreed to be acquired by Regal Rexnord Corporation in a deal worth around $5 billion including debt.

Altra Industrial Motion is dedicated to providing our customers with the highest quality power transmission and motion control products, services, and solutions.

To be the premier supplier of power transmission and motion control products and services worldwide.

Key Team

Mr. Craig Schuele (Exec. VP of Marketing & Bus. Devel.)

Recognition and Awards
Altra Industrial Motion has been recognized for its outstanding commitment to its customers. The company has received numerous awards, including the “Best Company To Work For” from Business Insider, and has been honored by its customers for its continuous innovation and excellence in product design and manufacturing.

Altra Industrial Motion
Leadership team

Mr. Carl R. Christenson (Chairman & CEO)

Mr. Todd B. Patriacca (Exec. VP, CFO & Treasurer)

Mr. Glenn E. Deegan Esq. (Chief Legal & HR Officer)

Products/ Services
Electronics, Industrial, Manufacturing
Number of Employees
1,000 - 20,000
Braintree, Massachusetts, United States
Company Registration
SEC CIK number: 0001374535
Net Income
5M - 20M
Above - 1B
Traded as
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