Injection Molding

Your Partner in plastic

Molding Services, Inc. (MSI) is a premier plastics injection molder with a number of specialties and capabilities that set us apart from the competition.

Our engineers work with customers to transform plastic part designs into production realities by reviewing part designs and ensuring moldability. We assist with final part design refinements and help our customers select materials that meet the part requirements. We then carefully manage the tooling design and build to ensure the highest quality production manufacturing is achieved. We take pride in delivering:

  • Exceptional Quality
  • Scalable Output
  • Unique Solutions to Complex Problems
  • Consistent Results
  • Timely and Clear Communication
  • Cost Effective Solutions for Businesses of All Sizes 

Over 45 years of injection molding experience and overall capacity makes us a leader in this space. Our unrivaled experience and problem solving skills allows us to be able to create a wide range of products.

Not all plastic injection molders are created equal. Experience the MSI Difference for your injection molding needs!

not just Manufacturers

At Molding Services INC, we know that our customers are the reason we’re here. We are nothing without you, and your business is our business.

Establishing a true partnership with our customers gives us the ability to create a deep understanding of your business and its unique challenges. This understanding allows us to propose solutions that are custom-tailored to fit your needs.

We work closely with you to identify opportunities to reduce costs and improve quality. When we design your part or mold, it’s based on a thorough understanding of the manufacturing process: from injection-molding cycles, to cost and cycle time targets. And although every project is different, our proven processes and standards help us consistently achieve optimal results for customers across all industries.

Partner with us today and experience the MSI Difference.

We have more than 45 years of experience

Experience the MSI difference

Our state of the art custom injection molding company takes pride in its ability to provide customers and corporations across the globe with high quality, low cost, innovative molded parts. As a leading manufacturer and supplier, we are focused on providing timely delivery of plastic products and services that are customized to meet the individual needs of each customer.

injection molding

Product Design

Tooling & Automation

Molding Assembly

Transfer Programs

Fulfillment Services


We invite you to explore our website and contact us with any questions that you may have.

126 N West Street
Olney, IL 62450

(618) 395-3888

Get in touch