JEM Electronics Inc. has been a leading contract manufacturer of custom cable assemblies, wire harnesses, and electromechanical assemblies for over 42 years. We have a proven track record of manufacturing high-quality cable assemblies for a wide range of industries, including military, medical, semiconductor, and robotics. Along with providing the superior quality products and services at competitive prices, we are confident JEM will meet your needs and expectations.JEM Electronics was founded in 1981 by the current President and CEO, John McDonald. After years of working in the wire and cable industry, he recognized companies were building custom cable and harness assemblies with traditional methods. His vision was to bring the industry into more modern times using the technological advances that were available in the 80’s. With his extensive knowledge in wire and cable manufacturing, he pursued his passion of solving problems for customers using this technology to ensure quality and repeat reliability to build JEM into the company it is today.