- Automation
- Components
- Dual Connectivity
- Enterprise
- Interconnection
- Network Operator
- Original Equipment Manufacturer
- Power
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Who is JMDI?
JMDI is a Polish manufacturing company that produces wiring harnesses and cable systems for industrial and automotive applications.
- Design and production of custom wiring harnesses for machinery and vehicles
- Cable assemblies and wiring systems for industrial automation and equipment manufacturers
- Production of electrical connection components for automotive and specialist vehicle OEMs
- Contract manufacturing services for cable processing, cutting, crimping, and assembly
- Quality-controlled electrical testing and verification of produced harnesses and cable looms
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More About
JMDI operates as a specialist manufacturer of wiring harnesses and cable assemblies used across industrial, automotive, and equipment manufacturing environments, supplying OEMs and integrators that require tailored electrical interconnection solutions for serial production and custom builds.
The company’s offerings cover the full process of harness production, including cable cutting, stripping, crimping, connector assembly, bundling, and finishing, following customer electrical schematics and mechanical drawings to deliver harnesses that are ready for installation on production lines or in service workshops.
In enterprise and industrial settings, JMDI’s harnesses are used to connect sensors, actuators, control units, power distribution modules, lighting, and operator interfaces, enabling integration with PLC-based control systems, onboard vehicle electronics, and other low-voltage electrical architectures.
The firm works with standard industrial and automotive connectors, terminals, and cables, aligning with common low-voltage DC systems, typical automotive 12V/24V installations, and industrial control wiring practices, and can support harnesses for control panels, machinery, special-purpose vehicles, and equipment.
JMDI also provides contract manufacturing services for cable processing, which can include semi-finished cable sets, pre-crimped leads, and sub-assemblies that are incorporated into larger systems by Original Equipment Manufacturer (OEM) customers, positioning the company as a component and sub-system supplier in manufacturing value chains.
Quality control and testing are integrated into the production workflow, with electrical continuity checks and harness verification carried out according to customer specifications, which supports use in environments that require repeatable, documented production, such as automotive body builders, machinery producers, and industrial equipment manufacturers.
Within a marketplace or directory taxonomy, JMDI aligns with electrical and electronic component manufacturing, specifically wiring harnesses, cable looms, and cable assembly services for industrial automation, automotive, and equipment OEMs.
Our description of JMDI. Updated February 2026.