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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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Ask Us a Question




I have been conducting business with DSP for eight years. They are a professional company that understands the nature of business and what it takes to help their customers succeed in their own business. The entire staff is friendly and ready to help. I would recommend DSP to anyone who needs a quality product.

Thank you.

- Senior Buyer, Powell Electrical Systems,

What our customers say