1025 Parker Drive
Mauston, Wisconsin 53948
405 Elroy Street
Elroy, Wisconsin 53929

imageQuality in every step

The Brunner quality systems is focused on the details required to deliver quality product and services to the market place. We don’t overlook the details.

Each associate recognizes the impact they have on the products and services we perform everyday.

As a team we monitor our progress with the goal for continuous improvement. Quality is not just a system but is at the core of who we are.



Brunner's ISO 9001:2015 - Click here to view

Rockwell Testing
Graded fasteners are certified by our in-house A2LA certified lab


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