Plastic Injection Molding Services in Minnesota

Midwest Molding, Inc. supports Minnesota manufacturers with precision plastic injection molding, tooling, overmolding, insert molding, two-shot molding, and production engineering. From prototype and production tools through integrated quality control, our experienced team helps produce complex components for automotive, electronics, appliance, transportation, and consumer goods applications while supporting dependable quality, delivery, service, and cost performance.

Electric injection molding machines producing precision plastic components

Our Plastic Injection Molding Services

Integrated molding and tooling capabilities for complex plastic components, assemblies, and production programs.

Straight Injection Molding

Produce complex plastic components and assemblies with project engineering, mold flow analysis, dedicated manufacturing cells, quality assurance, and cradle-to-grave program management.

Prototype & Production Tool Build

Manage prototype and production tool builds with project engineering, mold flow analysis, ES testing, part re-formulation, and support throughout the tooling program.

Two-Shot Molding

Mold multiple materials or colors together in a single cycle for complex components, supported by tool build management, engineering, and production ramp-up assistance.

Pre-Mold & Overmolding

Inject plastic over existing parts, substrates, or inserts to create multi-component assemblies with dedicated equipment, process support, and quality control systems.

Insert & Composite Molding

Combine plastic with inserts and other materials to create complex components for automotive, electronics, and consumer goods applications with engineering support.

Reel-to-Reel Strip Molding

Produce injection-molded components in continuous strips for automotive, electronics, and appliance applications with integrated quality control and automated tooling support.

Integrated Manufacturing Support

Engineering-Driven Molding for Complex Parts

Minnesota manufacturers can access a broad injection molding platform backed by project engineering and cradle-to-grave management. Midwest Molding supports tooling, mold flow analysis, part re-formulation, dedicated manufacturing cells, and quality assurance for complex components. Its Bartlett, Illinois facility uses fully electric molding equipment and supports automotive, electronics, transportation, appliance, and consumer goods programs from launch through production.

Manufacturing engineer reviewing a molded plastic component
The Midwest Molding Difference

Why Choose Midwest Molding, Inc.?

A specialized manufacturing partner for complex molded components and integrated assemblies.

Experienced Team

Management team brings an average of more than 35 years of manufacturing industry experience.

Integrated Capabilities

Access molding, assembly, welding, tooling, and project engineering through one manufacturing provider.

Quality Systems

Established quality and environmental management certifications support demanding molding production programs.

Supplier Recognition

Delphi recognized the company with a Pinnacle Award in 2005.

Meet The Manufacturing Team

Experienced professionals supporting complex molding and assembly programs.

Midwest Molding, Inc. is a specialized plastic injection molding and assembly manufacturer supporting demanding manufacturing and automotive applications. Its experienced management team brings an average of more than 35 years of manufacturing industry experience, helping customers move complex components from tooling through production. For Minnesota manufacturers, the company offers access to integrated molding, assembly, and welding capabilities through its Bartlett, Illinois operation. Its broader capabilities include insert, composite, two-shot, overmolding, reel-to-reel molding, wire harness assembly, and project engineering. The company’s growth is supported by long-term manufacturing relationships, quality systems, and a focus on quality, delivery, service, and competitive cost performance.

ExperienceAverage management experience exceeds 35 years
CapabilitiesMolding, assembly, tooling, and welding support
RecognitionDelphi Pinnacle Award (2005)

Frequently Asked Questions

What plastic injection molding services does Midwest Molding provide?

Midwest Molding provides straight injection molding, two-shot molding, pre-mold and overmolding, insert and composite molding, and reel-to-reel continuous strip molding. The company also supports prototype and production tool build management, project engineering, mold flow analysis, part re-formulation, dedicated manufacturing cells, and quality assurance for complex molded components and assemblies.

Can Midwest Molding support projects from tooling through production?

What industries does Midwest Molding serve?

What is two-shot molding used for?

What is the difference between insert molding and overmolding?

Does Midwest Molding offer prototype and production tooling?

How does Midwest Molding support quality control?

How can a Minnesota manufacturer contact Midwest Molding?

Have More Molding Questions?

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

Certified & Recognized

Awards and Recognition

IATF 16949 certification

IATF 16949

Quality management certification listed by Midwest Molding.

ISO 14001:2015 certification

ISO 14001:2015

Environmental management certification listed by Midwest Molding.

ISO 14001:2004 certification

ISO 14001:2004

Environmental management certification listed by Midwest Molding.

ISO 9001:2008 certification

ISO 9001:2008

Quality management certification listed by Midwest Molding.

ISO/TS 16949:2009 certification

ISO/TS 16949:2009

Quality management certification listed by Midwest Molding.

Start Your Plastic Molding Project

Share your component, tooling, or production requirements and discuss the right manufacturing approach with Midwest Molding.

Contact Us Today

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