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Made In America since 1946

(563) 583-2770


Few industries have changed as rapidly as American agriculture over the past several decades. Every year brings an exciting new list of agronomic and technological breakthroughs that make it possible to work the land more productively and efficiently than ever before.

Operating in the agricultural heartland of the Midwest from the beginning, DSP has seen firsthand—and been part of—many of the changes that have occurred over the decades in “tractor alley.” And we’ve responded by providing those in the industry with exceptional products, service and support. Here’s what we do:

  • Supply bushings, shafts, pins, manifolds, studs, plugs, bulkheads, adapter housings and other component parts
  • Service the supply chain for assembly line production and short-run service/repair parts
  • Serve as an extension of their industry with our specific knowledge of engineering, materials, processes and the industry’s overall needs
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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