Harmonic Drive LLC | 42 Dunham Ridge, Beverly, MA 01915 | 800-921-3332
Harmonic Drive and Harmonic Planetary are registered trademarks of Harmonic Drive LLC.

About Us


We are a stocking distributor of best in class products from the leading manufacturers of pneumatic controls, pneumatic and electric actuation, sensing and RFID solutions, motion control, robotics and end effectors, electrical distribution and control, safety solutions, aluminum framing and guarding.


To provide automation solutions designed to “enhance our customers’ competitiveness.” We achieve this mission by focusing our activities toward manufacturing process improvement, productivity enhancement, total cost management and downtime reduction.
The Neff Companies provide technical solutions for our customers’ needs by upholding our value promises, while maintaining business and social integrity.


Descendants of Harry A. Neff own all Neff Group Distributors, Inc companies. Neff companies include Neff Engineering Co., Inc., Neff Engineering of Wisconsin and Fluidtrols.


In 1926, Harry A. Neff founded the Neff Engineering Company in Fort Wayne, Indiana, as a mill supply house. Neff Engineering supplied the fluid power products required by local industry, and eventually evolved into an industrial distributor.

From 1950 through 1995, Jack and Tom Neff led Neff Engineering’s expansion to include offices in Indianapolis, IN (1950), Milwaukee, WI (1952), South Bend, Indiana (1953), Appleton/Kaukauna, Wisconsin (1972) and Grand Rapids, MI (1975).

In 1996, the baton was passed to the third generation of the Neff family. In 2000, the entity now known as Neff Group Distributors, Inc., was created to leverage the synergies and efficiencies for all Neff companies. Neff expanded into Eastern Michigan by acquiring Kober Sales and BKB in 2001, and into Northern Ohio with the acquisition of Fluidtrols Corporation in 2002. Today, John, Dan and Jim Neff lead Neff Group Distributors, Inc., which includes Neff Engineering Company, Inc.; Neff Engineering of Wisconsin; and Fluidtrols Corporation.


The Neff Companies are regional automation distributors of electronic and pneumatic products. Most of the product lines we represent are registered under QS 9000 and/or ISO 9000. The Neff Companies include Neff Engineering Co., Inc., Neff Engineering of Wisconsin, Inc., and Fluidtrols.

Our quality management system is key to providing the highest level of customer service and is a vehicle for continuous improvement. Our quality management department is located at the Indianapolis, Indiana branch.

Neff Engineering´s Indianapolis location earned ISO 9001:2000 certification in April 2003. Neff–Indianapolis is registered by BSI, Inc., Certificate Number: FS 45088. All of the Neff Companies are achieving ISO 9001:2000 compliance goals by using common quality procedures and basic quality management principles.


Harmonic Drive’s mission is to provide motion control solutions that give our customers a competitive advantage. To accomplish this we continually invest in the growth of our employees and in our company’s capabilities.


Harmonic Drive, LLC engineers and manufactures precision servo actuators, gearheads and gear component sets. We work closely with both Fortune 500 and companies of all sizes to understand their application requirements and provide a standard or custom-engineered solution to enable the success of their design project.

The majority of the products sold by Harmonic Drive, LLC are proudly made at our manufacturing facility in Peabody, Massachusetts, USA. Harmonic Drive Group Companies in, Japan (Harmonic Drive Systems, Inc.) and Germany (Harmonic Drive AG) provide additional products.

With over 50 years of experience, our expert engineering and production teams develop enabling technologies and products to meet the needs of an evolving motion control market. We are very proud of our outstanding company history. Our high-precision, zero-backlash Harmonic Drive® gears and Harmonic Planetary® gears have, and continue to play critical roles in robotics, spaceflight applications, semiconductor manufacturing equipment, factory automation equipment, medical diagnostics and surgical robotics.


Neff Engineering

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