How Short Run Is Done

At Donnelly Custom Manufacturing Company, we understand the evolving demands of leading industrial OEMs in Minnesota and beyond. We built our business as a plastics injection molder to support OEMs’ elevated requirements for highly engineered, complex parts and assemblies.

For over 30 years, short-run injection molding has been our business model and we have made a commitment to excelling at it. When your deadline is looming, you need a contract manufacturing partner you can rely on.

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The Right Choice

Why Donnelly

Speed. Flexibility. Precision.


Injection Molding
Injection Molding

As a plastic injection molder specializing in close tolerance thermoplastic parts, we use 36 injection molding machines to produce parts from less than 1 gram to more than 6 pounds.

Engineering and Tooling
Engineering and Tooling

Our engineering team collaborates and works with yours to provide expertise in material selection, design for manufacturability, tooling design and development, and processing.

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Value-Added Secondary Operations
Value-Added Secondary Operations

Saving you time and money is our priority. From mechanical assembly to decorating, we take on new responsibilities to help streamline your supply chain.

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Donnelly is committed to equipping, supporting, and developing our employees to provide a fulfilling career in manufacturing and producing great results for our customers. Every day.

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Manufacturing’s Grand Enabler

Ron Kirscht shares the impact of Donnelly’s involvement with the Manufacturing Extension Partnership (MEP) and Enterprise Minnesota.

Donnelly and Its Employees Make Donation to Vet’s Memorial Park

Donnelly is honoring military personnel in the Alexandria area – including 21 employees – through a donation to...

Cobots Help Molder Find ‘Right Balance’ Between People and Automation

Plastics Technology shares Donnelly’s continued exploration of collaborative robots’ integration into short-run manufacturing.

Learn more about how we can help you achieve your critical short run objectives today.