Your Engineering Partner for Custom Cable & Electronic Assemblies

Mercury Wire engineers and manufactures custom wire, cable, and electronic assemblies built for performance, reliability, and long-term durability in demanding industrial environments.

For more than 50 years, we’ve partnered with OEMs and industrial manufacturers to develop application-specific cable solutions that meet precise electrical, mechanical, and environmental requirements. From conductor and insulation selection to connector integration, overmolding, and final validation, every assembly is engineered to perform reliably within your equipment, operating conditions, and production processes.

Designed to withstand temperature extremes, moisture exposure, vibration, and mechanical stress, Mercury Wire’s rugged cable assemblies are trusted across a range of industrial applications where failure simply isn’t an option.

Whether you need a custom cable solution for a specialized application or a long-term engineering partner to support evolving product designs, Mercury Wire delivers the expertise, manufacturing capability, and quality assurance needed to keep your systems performing in the field.

Why Mercury Wire

• Custom Cable Engineering 
  Built to your exact conductor, gauge, insulation, shielding, and jacket requirements.
• Proven Industrial Performance
  Designed to withstand abrasion, flex, heat, chemicals, vibration, and harsh environments.
• Reliable Lead Times 
  Fast prototyping and production support to keep your projects moving.
• Tight Tolerances & Compliance
  Consistent, repeatable quality you can specify with confidence.
• OTIF Delivery  
  On-time, in-full manufacturing you can plan around.

Industries & Applications We Serve

We support performance-critical applications across:

• • Industrial equipment and automation
  • Non-invasive medical devices
  • Underwater and submersible systems
  • Military and defense applications
  • Integrated electronic assemblies

A Partner From Design to Delivery

• • Mechanical Challenges
    Abrasion and tensile stress in dynamic applications
    Tight routing and complex installation constraints
  • Electrical Challenges
    EMI/RFI shielding and signal integrity issues
  • Environmental Challenges
    Premature cable failure in harsh environments

When performance and reliability are non-negotiable, our engineering team ensures your assemblies meet stringent design and acceptance standards.

Custom Wire Cable Assembly Capabilities

• • Cable and wire harness assemblies
  • Over-molded and strain-relieved assemblies
  • Shielded and semi-rigid cable systems
  • Connectorized cable assemblies
  • Electrical harness design and documentation
  • Integrated electronic assemblies

A Partner From Design to Delivery

Our business model is built around long-term partnerships, not transactional sales. You’ll work with a dedicated team that collaborates closely with engineering, operations, and procurement to adapt quickly as requirements evolve.

Our intentional, relationship-driven approach delivers both speed and precision, helping you move from concept to prototype to production without unnecessary delays. For more than 50 years, customers have trusted Mercury Wire to deliver custom cable assemblies that perform under pressure.

Built for Performance. Backed by Standards

Mercury Wire adheres to rigorous engineering and compliance standards to ensure long-term reliability. Our certifications and compliance programs include:

• REACH and RoHS compliance
• UL and CSA approvals (application-specific)
• IPC-A-620 certification
• ITAR registration
• Comprehensive in-house testing and validation