Rapid Prototype Injection Molding

Move molded-part concepts toward production with Midwest Molding, Inc.’s integrated tooling, engineering, and injection molding capabilities. The team supports complex plastic components through mold flow analysis, part re-formulation, prototype and production tool development, and project management. Designed for demanding automotive, electronics, consumer goods, and other U.S. manufacturing applications, the process helps align design, quality, and production goals.

Engineers reviewing a prototype injection molded component beside tooling and manufacturing equipment

Our Rapid Prototype Injection Molding Services

Integrated tooling, molding, and engineering services support prototype development and transition toward production.

Tooling Design & Build

Midwest Molding provides cradle-to-grave prototype and production tool design and build, including mold flow analysis, ES testing, part re-formulation, and dedicated project engineering support.

Straight Injection Molding

Straight injection molding supports complex components and assemblies with fully electric equipment, dedicated manufacturing cells, mold flow analysis, quality assurance, and project management from development through production.

Insert & Composite Molding

Insert and composite molding combines materials through injection molding to create complex components, with engineering support for tooling, project management, process optimization, and quality-focused production.

Prototype-to-Production Support

Develop Better Parts From the Start

Rapid prototype injection molding connects design decisions with practical manufacturing insight. Midwest Molding, Inc. supports tooling development, mold flow analysis, part re-formulation, and engineering coordination so teams can address manufacturability and cost-saving opportunities early. Its capabilities serve complex components for automotive, electronics, consumer goods, and other demanding U.S. manufacturing applications while supporting a path from prototype tools toward production.

Engineer examining a molded prototype near injection molding tooling
The Midwest Molding Difference

Why Choose Midwest Molding, Inc.?

Engineering, tooling, molding, and assembly capabilities come together under one manufacturing provider.

Integrated Capabilities

Access molding, assembly, and welding capabilities from one manufacturing provider for coordinated project support.

Experienced Management

An experienced management team brings an average of more than 35 years of manufacturing industry experience.

Certified Systems

Quality and environmental management certifications support consistent injection molding production and responsible operations.

Supplier Recognition

Delphi recognized Midwest Molding for quality, delivery, service, and competitive cost performance.

Meet The Midwest Molding Team

Experienced manufacturing professionals support complex molding and assembly programs.

Midwest Molding, Inc. is a specialized plastic injection molding and assembly manufacturer serving demanding manufacturing and automotive applications. Its experienced management team supports long-term growth across injection molding, assembly, and welding, with project engineering assistance for complex molded components. The company’s capabilities are designed for organizations that need coordinated support from tooling development through production. Midwest Molding operates from Bartlett, Illinois, with a focus on precision plastic molding and assembly for demanding manufacturing needs. Its experience spans prototype and production tooling, insert and composite molding, two-shot molding, overmolding, and integrated assembly solutions for customers across the United States.

ExperienceMore than 35 years of team experience
RecognitionDelphi Pinnacle Award received in 2005
LocationBartlett, Illinois manufacturing facility

Frequently Asked Questions

What is rapid prototype injection molding?

Rapid prototype injection molding uses prototype tooling and injection molding expertise to develop and evaluate molded plastic components before or alongside production planning. The process can help teams review part design, manufacturability, tooling considerations, and material or assembly requirements. Midwest Molding supports this work through tooling design, mold flow analysis, part re-formulation, and dedicated project engineering.

What industries does Midwest Molding support?

Can Midwest Molding help with prototype and production tooling?

What types of injection molding are available?

Can Midwest Molding support design-for-manufacturing decisions?

Does Midwest Molding provide assembly with molding services?

Where is Midwest Molding located?

How do I discuss a rapid prototype molding project?

Have More Prototype Questions?

Talk with the Midwest Molding team about your component and tooling requirements.

Certified & Recognized

Awards and Recognition

IATF 16949 certification for Midwest Molding, Inc.

IATF 16949

Certification listed by Midwest Molding, Inc.

ISO 14001:2015 certification for Midwest Molding, Inc.

ISO 14001:2015

Environmental management certification listed by Midwest Molding.

ISO 9001:2008 certification for Midwest Molding, Inc.

ISO 9001:2008

Quality management certification listed by Midwest Molding.

ISO/TS 16949:2009 certification for Midwest Molding, Inc.

ISO/TS 16949:2009

Certification listed by Midwest Molding, Inc.

Minority Business Enterprise certification for Midwest Molding, Inc.

Minority Business Enterprise certification

Certification listed by Midwest Molding, Inc.

Discuss Your Prototype Molding Needs

Share your project requirements and connect with Midwest Molding’s manufacturing and project engineering team.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 224.208.1110.