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Made In America since 1946

(563) 583-2770

Electrical Construction and Energy.

The electrical construction and energy industry provides the U.S. with the light, energy and communications it needs to stay strong. Because it plays such a vital role in the nation’s success both now and in the future, those who work within the industry can’t afford to settle for anything less than exceptional products, service and support.

DSP has a long and valued history in support of electrical construction and energy control, partnering with customers and contributing to their success for more than 50 years. Here’s what we do:

  • Supply bus bars, jack screws, clamps, sleeves, bushings, pins, rivets, adjustors and rings
  • Serving some of the world’s largest manufacturers of electrical switchgear
  • Aid in design, material selection and product changes to eliminate costs without compromising quality
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Ask Us A Question




I work with over 50 vendors/suppliers as a buyer for GE.
Dubuque Screw Products is by far the best one to work with.
I never have to worry about quality issues because we never have any with them. Always prompt to get with you when placing order or if you are just asking a question. Always willing to go the extra mile for you. They are a A+ business to work with and you will not be sorry doing business with them.

- Buyer, General Electric,

What our customers say