Over 40 Years in Business
We’re far beyond a cable assembly company. We bridge together endless innovative possibilities to see your product come to life.
Custom Cable Assemblies Built for Precision & Performance
When your project demands reliability, precision, and fast turnaround, you can’t afford delays or quality issues. At JEM Electronics Inc., we specialize in custom cable assemblies that meet the highest industry standards—built to print, built to last.
We understand what OEMs, engineers, and procurement professionals need: dependable cable manufacturing partners who can solve problems, not create them. Whether you’re developing medical devices, military tech, or advanced robotics, we deliver solutions that help you move faster and smarter.
About JEM Electronics Inc.
Founded by John McDonald in 1981, JEM Electronics has grown into a leading contract manufacturer serving high-demand sectors with precision-built assemblies. Our team of seasoned engineers, technicians, and quality specialists are ready to meet your most complex challenges with innovation and dedication.
We proudly support mission-critical projects in MilSpec cable assemblies, medical cable assemblies, clean energy, and high-tech markets.
Our Products – Built For Performance, Designed For Precision
At JEM Electronics Inc., we deliver high-quality, custom-built solutions tailored to your exact specifications. Our products are engineered to meet the most demanding requirements in industries like military, medical, robotics, and industrial automation. Explore our core offerings:
Custom Cable Assemblies
Our custom cable assemblies are designed for high-performance, reliability, and versatility. Built to your exact specifications, these assemblies are perfect for applications requiring specialized connectors, shielding, and configurations. Whether you’re in aerospace, medical devices, or advanced robotics, we ensure dependable connectivity and long-lasting performance.
Wire Harness Assemblies
We manufacture wire harness assemblies that simplify complex wiring systems while ensuring exceptional durability and organization. Our harnesses are built for tough environments and tested to the highest quality standards, reducing installation time and improving reliability in your end product.
Electromechanical Assemblies
Our electromechanical assemblies integrate wiring, mechanical components, and electronics into a complete solution—ready to install and operate. From box builds to control panels, we provide turnkey manufacturing to streamline your supply chain and improve speed to market
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We support everything from custom wiring solutions and industrial cable assemblies to complex build-to-print projects requiring exacting specifications.
Why Work With JEM Electronics Inc.?
At JEM Electronics, we do more than build—we partner with you to bring ideas to life. Here’s why engineers and procurement teams choose us:
42+ Years of Experience
We’ve been delivering precise, high-performance assemblies since 1981.
Innovation Meets Execution
With ongoing investment in modern tech and lean manufacturing, our cable assembly services adapt to your evolving needs.
Scalable, Flexible Production
Whether you’re in R&D or full-scale production, our team supports wire harness design, DFM feedback, and low-to-high volume runs.
Trusted Supply Chain Relationships
Our strategic supplier partnerships mean you get materials on time—every time.
Let’s Build Your Next Project Together
Whether you need a single prototype or a full production run, JEM Electronics is your go-to partner for precision and performance.
