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Reliable Parts. Reliable People.

For quality injection molded plastic parts, our customers know they can rely on Steinwall for expert engineering and precision production. For more than a half century, we have been innovating new processes and expanding our capacity to provide reliable and consistent production for high or low-volume, tight-tolerance plastic parts of all sizes.

With press capacities from 30 to 1,750 tons and the operational excellence of experienced engineers working with a highly trained production team, Steinwall is a recognized leader in the thermoplastic injection molding industry. Our manufacturing facility in Minneapolis, Minnesota has nearly a quarter million square feet of production and warehouse capacity to meet the critical supply chain needs of our customers.

Our formula for success is simple. Empower reliable people with capable equipment and precise processes that consistently produce reliable parts for our customers. We follow the philosophy of our founder, Carl Steinwall who said in 1965, “Do the small things right every single day, and great things will happen.”

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Markets Served

Agricultural
Industrial
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Appliances
Computers
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Utility & Energy
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Congrats to Steinwall,Inc.

Recognized as one of Minnesota’s largest women-owned businesses!