Since 1948, Diemasters have been committed to the quality craftsmanship of high-precision products. Through The Diemasters Productivity System™ (TDPS), they are able to Manufacture Smarter™, which enables them to manufacture products more efficiently and at the highest levels of quality.

About Diemasters

Diemasters, a division of Weiss-Aug Group, is located in Elk Grove Village, Illinois, has been committed to the quality craftsmanship of high-precision products since 1948. Specializing in metal stamping, fabrication, assembly, and product design support, the company’s customer base spans across the globe and includes some of the most recognized brands serving a broad variety of markets.

Our History

Diemasters was founded as a high precision tool builder on Chicago’s West Side in 1948. From these roots more than 70 years ago, our business has been committed to quality craftsmanship while we have evolved to new capabilities, market reach, and customer expectations. Today, our customer base spans across more than 50 countries worldwide. Each day, 120 certified employees at our 80,000 sq. ft. production facility turn out more than 250,000 stamped parts, assemblies, and fabrications. And even though we’ve grown exponentially, Diemasters remains committed to providing a personal touch, along with our high-quality precision products.

Diemasters was fully acquired by Weiss-Aug Group in 2020, allowing us to collaborate on technology, product development, and customer outreach.

Diemasters front entrance

The Diemasters Productivity System (TDPS)

DPS logo remade

"What is unique and different about our system?"

The Answer: It's what we focus on and the tools we use.

Focus: "Doing what should be done"

The Diemasters Productivity System (TDPS) is about new global manufacturing principles. It's about people trying to understand what makes their process tick so that they can make it better. As we think logically and consistently about our problems and challenges, we are able to use the tools in our system to determine "cause and effect" relationships between actions and their results. We are able to focus on customer satisfaction; we are able to provide security and satisfaction to our employees. The Diemasters Productivity System is why we are able to make money, now and in the future.


  • ISO 13485: 2016
  • ISO 16949: 2016
Orion 13485:2016
IATF 16949

Our Capabilities

From assembly, fabrication, and stamping to design for manufacturability support, Diemasters is there for you every step of the way. Customers find solutions to problems from automation to smarter manufacturing, keeping costs down and deliveries on time.

  • 80,000 square foot (7,500 m2) plant
  • Full tool room and engineering staff
  • Helm and Wintriss Controls, die sensing
  • Minsters 30-350 tons
  • High speed Bruderers up to 90 tons
  • High speed Rasters
  • Flux-Core Arc Welding (FCAW)
  • Metal Inert Gas (MIG) Welding
  • Tungsten Inert Gas (TIG) Welding
  • Laser Welding
  • Special Process Automation
  • AutoCad, Solidworks, Diemaker, Fabriwin softwares
  • DOE, DFM and dFMEA support
  • Prototyping and testing capabilities
  • Product and Tooling Lifecycle Management
  • Domestic and international components sourcing
  • Secondary process (plating, painting, heat treating) sourcing
  • Assembly systems, secondary process tooling, machinery design and build in-house

How can we help?

Request a Quote (Capabilities)

How can we help?

Request a Quote (Capabilities)

“Today through use of innovative lean manufacturing techniques, expansive engineered processes and a strict adherence to the highest quality and safety standards, our stamping plant has successfully produced recent multi-year PPM ratings of less than one. Our stamping philosophies have also earned us high supplier ratings with both automotive and medical customers and continuous positive auditing scores from yearly ISO 9001:2015, ISO 13485:2016, ISO 14001:2015 audits and IATF 16949:2016.”

— Dieter Weissenrieder, CEO and Founder