Wire Harness Assembly
Build wire harnesses for automotive, transportation, electronics, and consumer goods applications, supported by manufacturing engineers and cradle-to-grave project management.
Midwest Molding, Inc. supports equipment OEMs with custom control cable and wire harness assembly solutions designed for demanding electrical and mechanical applications. From insert molding and overmolding to multi-component assembly, our team helps integrate molded components and wiring into dependable, ready-to-install assemblies with coordinated engineering, tooling, production, and quality support.

Integrated molding, wiring, and assembly capabilities help OEMs source complete control cable solutions from one manufacturing provider.
Build wire harnesses for automotive, transportation, electronics, and consumer goods applications, supported by manufacturing engineers and cradle-to-grave project management.
Encapsulate wires, connectors, substrates, or inserts in molded plastic to create integrated assemblies that support protection, handling, and product functionality.
Combine injection-molded parts with additional components into complete assemblies, with engineering support for error proofing, redesign optimization, and cost-conscious production.
Midwest Molding, Inc. helps equipment OEMs move from component requirements to integrated control cable assemblies through coordinated tooling, molding, wiring, and assembly support. Wire harness assembly can be combined with overmolding, insert molding, and multi-component integration to simplify sourcing and support ready-to-install products. Dedicated project engineers provide cradle-to-grave coordination for complex programs, from tooling through production.

OEMs gain one experienced manufacturing partner for molded components, cable assemblies, and integrated production support.
Access molding, assembly, and welding capabilities through one manufacturing provider for simplified program coordination.
Dedicated project engineers support complex designs, tooling, process optimization, and cradle-to-grave project management.
Quality and environmental management certifications support disciplined production for demanding manufacturing applications.
Management brings an average of more than 35 years of manufacturing industry experience to customer programs.
Experienced professionals support complex molding, assembly, and OEM manufacturing programs.
Midwest Molding, Inc. is a specialized plastic injection molding and assembly manufacturer serving demanding manufacturing and automotive applications. The company’s management team supports long-term growth across molding, assembly, and welding, helping customers coordinate complex programs through one manufacturing provider. Its capabilities include wire harness assembly, insert and composite molding, two-shot molding, overmolding, and multi-component assembly. Midwest Molding also supports product development through tooling design, project engineering, mold flow analysis, and process optimization. The company’s manufacturing operation in Bartlett, Illinois provides a central base for its production capabilities, while its experience with equipment OEMs, automotive suppliers, electronics manufacturers, and other industrial customers informs a practical, program-focused approach.
Custom control cable assembly combines wires, connectors, molded components, and related parts into an integrated assembly designed for a specific equipment or product application. Depending on the program, services may include wire harness assembly, insert molding, overmolding, and multi-component assembly. This approach can help OEMs source a more complete, ready-to-install electrical assembly from one manufacturing provider.
Share your requirements with the Midwest Molding project engineering team.
Certification listed by Midwest Molding.
Environmental management certification listed by Midwest Molding.
Quality management certification listed by Midwest Molding.
Certification listed by Midwest Molding.
Award received from Delphi in 2005.
Tell us about your equipment, cable, molding, and assembly requirements to begin a project conversation.
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.