Wire Harness Assembly
Build ready-to-install wire harness assemblies for automotive and transportation applications, supported by manufacturing engineers, quality systems, and integrated project management.
Midwest Molding, Inc. delivers wire harness assembly and integrated manufacturing support for demanding automotive applications. From harness production and overmolding to multi-component assembly, our engineering team helps simplify sourcing, support complex components, and maintain consistent quality. With molding, assembly, and welding capabilities under one provider, we support customers seeking dependable electrical assemblies for vehicle programs across the United States.

Integrated harness assembly, overmolding, component assembly, and engineering support for automotive electrical applications.
Build ready-to-install wire harness assemblies for automotive and transportation applications, supported by manufacturing engineers, quality systems, and integrated project management.
Inject plastic over pre-existing parts, substrates, or inserts through pre-mold and overmolding, offered alongside wire harness assembly for demanding automotive applications.
Assemble molded parts with additional components into complete assemblies while using error proofing, project engineering, and redesign support to protect functionality and quality.
Midwest Molding, Inc. supports automotive wire harness programs with more than assembly alone. Customers can access wire harness assembly, injection molding, overmolding, multi-component assembly, and project engineering through one manufacturing provider. This integrated approach helps simplify supplier coordination for automotive and transportation customers while supporting complex components, production quality, and cost-conscious manufacturing across the United States.

An integrated manufacturing partner for complex automotive harness and molded-component programs.
Access molding, assembly, and welding capabilities through one manufacturing provider for streamlined program coordination.
Experienced management and project engineering teams support complex components, tooling, assembly, and process optimization.
IATF and ISO certifications cover injection molded and insert molded products for automotive manufacturing programs.
Midwest Molding’s track record includes a Delphi Pinnacle Award in 2005.
Experienced professionals supporting complex molding and assembly programs.
Midwest Molding, Inc. is a specialized plastic injection molding and assembly manufacturer serving demanding automotive and manufacturing applications. Its experienced management team supports long-term growth through capabilities spanning injection molding, assembly, and welding. The company’s Bartlett, Illinois headquarters includes a dedicated manufacturing facility supporting wire harness assembly and related production services. With management experience averaging more than 35 years, Midwest Molding works with customers that need integrated support for complex components, electrical assemblies, tooling, and production programs. Its vision is reflected in a practical focus on precision plastic molding and assembly for demanding manufacturing needs, with quality, delivery, service, and competitive cost performance central to customer support.
Vehicle wiring harnesses are made by specialized automotive component manufacturers and assembly providers. Midwest Molding, Inc. provides wire harness assembly for automotive and transportation applications, supported by project engineering, molding, multi-component assembly, and quality management systems. This integrated capability helps automotive customers source wire harness assemblies alongside related molded components.
Talk with the manufacturing team about your automotive assembly requirements.
Listed company certification for automotive quality management.
Listed company certification for environmental management.
Listed company certification for quality management.
Listed company certification for automotive quality systems.
Listed company certification held by Midwest Molding.
Share your assembly requirements and connect with Midwest Molding’s manufacturing team.
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.