From Concept through Production

Your Partner in Success

Ace Molding is not just another vendor, we understand that your success is our success as well. From concept to full turnkey production Ace Molding will be by your side to ensure your high quality custom plastic injected molded products are delivered on time.

Ace Molding is a full service, family owned and operated custom plastic injection molding and manufacturing company located in Central Massachusetts.

For over 50 years exceptional customer service has been one of the defining characteristics that sets us apart from our competitors.

American Made Quality

Ace Molding is committed to consistently delivering a quality product, efficiently and on-time. We have the processes, tools, and most importantly, the experience necessary to accomplish your job. You can rely on us to take your business seriously and protect your interests. We allow you to focus on your business, while we take care of the tooling, the injection molding process, the assembly, and the delivery of quality plastic injected molded products.

Our goal is to consistently provide American quality products, exceed customer expectations, and adhere to regulatory requirements.

More About Us

From Concept to Completion


Our experienced design staff is available to assist you with every step of the plastic injection molding process.   Learn More...

Mold Making

We work with local mold makes to ensure appropriate, long lasting tooling.   Learn More...


We offer a turnkey manufacturing solution for businesses and runs of all sizes.   Learn More...


Providing Custom Plastic Injection Molding Service and Solutions for over 50 Years.   Learn More...

Our Goal is Your Success

Our custom plastic injection molding and production services are designed to meet the needs of your project, to ensure that the end products you receive meet your exact specifications.

Ace Molding can produce prototypes, short-run development parts, and full production runs with quantities in the millions. From the simplest designs to the most complex, we will deliver high quality,  precision custom plastic injected molded products for any project. 

Industries We Serve…

Tools Medical
Electronics Automotive
Sports Retail
Food & Beverage Pets
Electrical and More…

Contact Us
Custom Plastic Injected Molded Products

American Made

American Made Custom Plastic Injected Molded Products

50 Years Strong

The way you want it, when you need it

  • A Free Initial Consultation
  • An Extensive Design Review
  • A Custom Rapid Prototype
  • The Right Tooling for Your Project
  • Best-in-Class Customer Service
  • Quality Injection Molding
  • Timely Production

If you are already having a product manufactured
but are experiencing problems with your current
plastic injection molding company contact
Ace Molding today. 

Custom Plastic Injected Molded Products
Custom Plastic Injected Molded Products
Custom Plastic Injected Molded Products
Custom Plastic Injected Molded Products
Custom Plastic Injected Molded Products

Find us.

91 Bethany Road, P.O. Box 216
Monson, Massachusetts 01057

Call us.

phone: 413-267-4875
fax: 413-267-9195

Email us.

Contact Us