dna3Dieffenbacher is an internationally active group of companies specializing in the mechanical engineering and plant construction sector. With over 1700 associates and 16 production sites and sales offices worldwide, we are a leading manufacturer of press systems and complete production systems for the wood, automobile, and supplier industries. As an independent fifth generation family company, we have stood for continuity, tradition and reliability for over 140 years.
Our Wood business unit plans and implements complete solutions for the manufacture of wood-based panels, such as particleboard, MDF, OSB, LVL and wood fiber insulation boards.
The Composites business unit develops processes, presses and fully automated production lines for the manufacture of fiber-reinforced plastic components.
Dieffenbacher North America is located in Windsor Ontario. It was established in 1983.

Facts and figures 2016

 Company headquarters Shareholders Workforce
 Sales 2015
Eppingen, Germany 100% family owned 1775 associates EUR 490 million


Dieffenbacher North America manufacturers Hydraulic presses and Forming Systems for the Wood, composite, and Metal Industries. With a strong company emphasis on engineering, custom fabrication, machining and assembly. Our customers range across North America, forming companies and manufacturers of complete wood board products.

Dieffenbacher North America (DNA) has been in existence since 1983. The parent company has been in business in Germany since 1873, and is a global leading manufacturer of hydraulic press systems and lines for SMC (sheet Molding Compound), D_SMC (Direct SMC), GMT (Glass Mat Reinforced Thermoplastics) and LFT (Long Fiber Reinforced Thermoplastics) forming technologies. Our range of products and services includes both process technology as well as complete system solution automation. DNA’s facility contains some of the largest machining capacity on north America, and includes specialized features for the effect and efficient manufacturing of large complex machinery.