Weiss-Aug Co. Inc., the industry leader for precision metal stamping, complex insert molding and custom assembly has successfully integrated the best progressive die tooling supplier, JK Tool , as well as the leader for precision medium gauge complex stampings and assemblies , The Diemasters.  This affiliation of companies provides our customers with unparalleled solutions for their custom component needs.


Our Companies


Weiss-Aug co. inc.


Weiss-Aug has over 40 years of experience serving the automotive, medical, electronic, and semiconductor industries with expertise in design, engineering, tooling and manufacturing.  As an industry leader, Weiss-Aug provides innovative and technically sophisticated custom insert injection molding, precision metal stamping and automated assembly solutions.

JK Tool Inc. 

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JK Tool focuses on designing, engineering, manufacturing and grooming of progressive stamping tools. JK Tool serves customers in the aerospace, defense, energy, industrial and medical industries and adds extensive machining capabilities to The Weiss-Aug Group.

The diemasters

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Since 1948, The Diemasters, located in Elk Grove Village, Illinois, has been committed to the quality craftsmanship of high precision products.  Through The Diemasters Productivity System (TDPS) we are able to Manufacture Smarter™, which enables us to produce products more efficiently and at the highest levels of quality.   The company’s customer base spans across the globe and includes some of the most recognized brands today.