Welcoming Polish Leadership Team Member: Artur Piotrowski

Posted on: August 10th, 2020

Please join me in welcoming the newest member of our Polish Leadership Team, Artur Piotrowski who has taken on the role of General Manager, Poland effective August 4th.  Reporting directly to myself, Artur will have oversight for the complete Polish operations. Artur holds a Master’s Degree in Management and Finance from the Management school at […]


Vibratory Stress Relief

Posted on: July 22nd, 2020

One of the lesser-known services that Superior Die Set is able to provide in-house is the process of vibratory stress relief (VSR). VSR is typically offered as a method to relieve residual stresses that are present as a result of flame cutting and/or welding. It is most often used on large weldments that won’t fit […]


Superior Die Set manufacturing mold bases for ventilator parts during COVID-19 pandemic

Posted on: April 13th, 2020

Superior Die Set has had to adjust operations during the COVID-19 pandemic, but CEO Martin Girga said the company has not been as negatively impacted as other manufacturers. The Oak Creek-based die casting company is recognized as an essential business during the COVID-19 pandemic because of the various industries it services, which include tooling, the automotive industry […]


Superior Welcomes Greendale Precision Services To Oak Creek Facility

Posted on: December 20th, 2019

Superior Die Set Welcomes Greendale Precision Services to Oak Creek Facility Integration of services strengthens alignment of business offerings for Superior Die Set customers   Oak Creek, WI – December 20, 2019 – Superior Die Set Corporation CEO, Martin Girga, announces the physical move of sister company, Greendale Precision Services, into their Oak Creek location […]


NEW CageSaver

Posted on: November 6th, 2019

The costliest and most fragile element in a stamping die’s ball-bearing guidance system is the Retainer Cage which carries and secures the ball bearings in a predefined matrix arrangement. It’s estimated that 90%+ of all catastrophic damage to Retainer Cages (of the suspended / hanging-type) occurs during DIE HANDLING activities – especially during the process […]


New CEO plans to reinvent company

Posted on: October 8th, 2019

New CEO of Superior Die Set in Oak Creek plans to reinvent company Kasimir Janiszewski started Superior Die Set Corp. in 1923 after the 23-year-old moved to the United States from Poland. As the story goes, Kasimir was asked when he arrived in the United States what did he do for work. Kasimir responded, “What […]


How Rough Is Smooth?

Posted on: July 22nd, 2019

This technical article is an overview of the topic of surface roughness as it pertains to the products offered by Superior Die Set. We will first review Superior’s in-house standards for surface roughness. We will provide an explanation for the Ra scale for surface roughness and what that scale actually represents. We will also talk […]


Meet our new CEO

Posted on: July 15th, 2019

Oak Creek, Wisconsin – July 8, 2019 – Superior Die Set Corporation President and CEO Frank Janiszewski announced today that the company has hired a new CEO, Martin Girga, to lead the organization.  Over the past 96 years, the many employees of Superior, under the leadership of three generations of Janiszewskis, have made Superior a […]


WATERJET CUTTING – now available at Superior

Posted on: June 20th, 2018

Superior Die Set has installed a ‘waterjet cutting’ machine to expand our cutting capabilities. We have always offered this service to our customers but chose to work with third party sources to handle our cutting needs. This was especially true when cutting slug holes in our Fortal aluminum die sets. Now with this machine under […]


STOP MILLING AROUND – Let Superior square your blocks……

Posted on: January 10th, 2018

Superior Die Set has expanded own plate machining services with the addition of a precision dual spindle edge milling machine.  This new machine accurately mills the edges of plates to within .002” TIR with a maximum capacity of 16” high x 48” square.  The dual spindle action rapidly removes material on two opposing edges, then […]


View our vast array of high-performance product manufacturing capabilities.

Our Products

As a one-stop-shop for your manufacturing needs, learn more about our expansive inventory and capabilities in our catalog and other publications.
View Resources

900 West Drexel Ave.
Oak Creek, WI 53154