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Made In America since 1946

(563) 583-2770

We Never Stop Looking at How We Do Business.

At DSP, we tirelessly work to improve the quality of our products, documentation and processes. It’s who we are and it will continue to define our approach moving forward. As part of that commitment, we began building and implementing a Quality Management System. We are proud to announce that as of February 14, 2017 we are ISO 9001:2015 certified. Serving you better will always be our number one goal. You can count on it. 

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Dubuque Screw Products is a great company to work with and a trusted partner in the manufacturing of IBI SCIENTIFIC’s quality life science products. They consistently supply IBI with quality parts in a timely manner, and have shown the capability to provide solutions to non-traditional types of parts and services.

- Engineer/Manufacturing Manager, IBI SCIENTIFIC,

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