Wire Crimping and Processing for Custom Harness Assemblies

Midwest Molding, Inc. supports custom harness assembly programs with wire harness assembly, component integration, and overmolding capabilities. Our experienced manufacturing team helps connect electrical components with molded parts through coordinated project support, quality systems, and production expertise. From complex designs to ready-to-install assemblies, we provide integrated manufacturing support for demanding automotive, electronics, transportation, and consumer goods applications across the US.

Technician assembling wires and molded components for a custom electrical harness

Our Custom Harness Assembly Services

Integrated harness, molding, and assembly capabilities support complex electrical and multi-component manufacturing programs.

Wire Harness Assembly

Midwest Molding provides wire harness assembly for automotive, transportation, electronics, and consumer goods applications, supported by manufacturing engineers, project management, and quality systems.

Component Integration

Multi-component assembly combines injection molded parts with additional components to create complete assemblies, with error proofing and redesign optimization supporting function, quality, and cost objectives.

Harness Overmolding

Pre-mold and overmolding injects plastic over existing parts, substrates, or inserts to create integrated multi-component assemblies supported by dedicated equipment and quality control systems.

Assembly Expertise

Integrated Support for Custom Harnesses

Custom harness programs benefit from a manufacturing partner that can coordinate wire harness assembly with molding and integrated component production. Midwest Molding, Inc. supports complex electrical assemblies through project engineering, cradle-to-grave management, and quality systems. Its capabilities serve demanding automotive, transportation, electronics, and consumer goods applications while helping customers access molding, assembly, and welding from one provider.

Custom wire harness with connectors and molded components in a manufacturing facility
The Midwest Molding Difference

Why Choose Midwest Molding, Inc.?

Our integrated capabilities and experienced management team support complex manufacturing requirements.

Integrated Capabilities

Access molding, assembly, and welding capabilities through one manufacturing provider for coordinated program support.

Experienced Management

An experienced management team brings more than 35 years of manufacturing industry experience to customer programs.

Quality Systems

IATF and ISO certifications support structured quality and environmental management for manufacturing production.

Program Support

Cradle-to-grave project management and dedicated engineering support help coordinate complex assemblies from tooling through production.

Meet The Manufacturing Team

Experienced professionals support complex molding and assembly programs across demanding industries.

Midwest Molding, Inc. is a specialized plastic injection molding and assembly manufacturer supporting demanding manufacturing and automotive applications. The company’s capabilities span injection molding, wire harness assembly, multi-component assembly, and welding, allowing customers to access complementary processes from one provider. Its experienced management team supports long-term growth across the industries it serves, with average manufacturing industry experience exceeding 35 years. The company operates from its facility in Bartlett, Illinois, and supports programs involving complex plastic components and integrated electrical assemblies. Its vision is reflected in a focus on precision plastic molding and assembly for demanding manufacturing needs, with quality, delivery, service, and competitive cost performance recognized by Delphi.

ExperienceMore than 35 years of average management experience
CapabilitiesMolding, assembly, and welding under one provider
RecognitionDelphi supplier excellence award recipient

Frequently Asked Questions

What does wire harness assembly include?

Wire harness assembly involves combining wires and related electrical components into an organized assembly for an intended application. Midwest Molding, Inc. lists wire harness assembly among its specialized manufacturing offerings and supports automotive, transportation, electronics, and consumer goods programs. The company’s manufacturing and project engineers provide production support alongside related molding and multi-component assembly capabilities.

Can Midwest Molding support custom harness assemblies?

Does Midwest Molding provide crimping and wire processing?

Can harness assemblies be combined with molded components?

What industries does Midwest Molding serve?

Does Midwest Molding provide engineering support for harness projects?

What quality certifications does Midwest Molding hold?

How can I request information about a custom harness assembly?

Have More Harness Questions?

Share your assembly requirements with the Midwest Molding team.

Certified & Recognized

Awards and Recognition

IATF 16949 certification for Midwest Molding

IATF 16949

Quality certification listed by Midwest Molding.

ISO 14001:2015 certification for Midwest Molding

ISO 14001:2015

Environmental management certification listed by Midwest Molding.

ISO 14001:2004 certification for Midwest Molding

ISO 14001:2004

Environmental management certification listed by Midwest Molding.

ISO 9001:2008 certification for Midwest Molding

ISO 9001:2008

Quality management certification listed by Midwest Molding.

ISO/TS 16949:2009 certification for Midwest Molding

ISO/TS 16949:2009

Automotive quality certification listed by Midwest Molding.

Discuss Your Custom Harness Assembly

Tell us about your wire processing, assembly, molding, and production requirements so our team can review the right capabilities for your project.

Contact Us Today

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