Rapid Prototyping and Low Volume Manufacturing Services
424 Main Street, Gardner, MA 01440  /  Ph: 978.632.3700  Fx: 978.632.3777

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About Mack Prototype

Mack Prototype, Inc. is a low-volume manufacturing company that specializes in rapid prototyping, CNC machining, LIM polyurethane, and injection molding. The Gardner, Mass. location houses seven injection presses for low volume, small-to-medium part molding.

Mack Prototype, Inc. is a wholly-owned subsidiary of Mack Group, Inc., a privately-held corporation operating 10 manufacturing locations throughout the eastern United States and Mexico. Mack Prototype complements Mack’s growing list of vertically integrated services, which includes product design and development, custom injection molding, sheet metal fabrication, printed circuit board assembly, and full product assembly and order fulfillment.


Mack Prototype has deep experience in a variety of markets including electronics and medical. We are certified with international quality standard ISO 13485 for medical device manufacturing. Below is a sample of the parts we manufacture.