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.

The Right Choice
Why Donnelly
Speed. Flexibility. Precision.
Capabilities

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

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.
THRIVE WITH US
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.
View Open Positions