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.
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.

Integrated harness, molding, and assembly capabilities support complex electrical and multi-component manufacturing programs.
Midwest Molding provides wire harness assembly for automotive, transportation, electronics, and consumer goods applications, supported by manufacturing engineers, project management, and quality systems.
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.
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.
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.

Our integrated capabilities and experienced management team support complex manufacturing requirements.
Access molding, assembly, and welding capabilities through one manufacturing provider for coordinated program support.
An experienced management team brings more than 35 years of manufacturing industry experience to customer programs.
IATF and ISO certifications support structured quality and environmental management for manufacturing production.
Cradle-to-grave project management and dedicated engineering support help coordinate complex assemblies from tooling through production.
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.
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.
Share your assembly requirements with the Midwest Molding team.
Quality certification listed by Midwest Molding.
Environmental management certification listed by Midwest Molding.
Environmental management certification listed by Midwest Molding.
Quality management certification listed by Midwest Molding.
Automotive quality certification listed by Midwest Molding.
Tell us about your wire processing, assembly, molding, and production requirements so our team can review the right capabilities for your project.
For immediate assistance, feel free to give us a direct call at 224.208.1110.
For immediate assistance, feel free to give us a direct call at 224.208.1110.