Industrial Heavy Equipment

- Industries -


Custom Cable Assemblies, Wire Harnesses, Full Box Builds for Industrial Heavy Equipment and Vehicles

Electrical systems on heavy equipment and vehicles are subject to harsh conditions such as extremes in temperature, vibration, high impact, chemicals, and fluids. Whether in commercial, military or emergency operation one electrical fault can immobilize equipment. Promark Electronics’ design and manufacturing team build reliable custom cable assemblies, wire harnesses and full box build systems that are protected from these harsh conditions.

Serving a number of industries and verticals including: Cranes, tractors, generators, scissor lifts, electric vehicles, buses, personnel carriers, airplane tugs, highway signage. portable construction lights & signs and portable radar.

The trend toward electric power and electric drive vehicles is well underway. Requirements for custom connectors, wire harnesses and cable assemblies for this market including stationary and mobile charging stations continues to grow. Promark is engaged in this industry today and committed to shaping its future by partnering with industry leaders to deliver top quality, reliable solutions.


  • Hi power connectors
  • HVIL (High voltage interlock) connectors and assemblies
  • Rugged cable assemblies for charging docks
  • RF cable assemblies for dock to device communication
  • Engine control harnesses

Our Experience 

  • Full service – design, engineering, manufacturing
  • Prototypes and samples
  • Supply chain management
  • Program management
  • Industry certified


  • 9001:2015 and AS9100D
  • RoHS, UL and CSA
  • Canadian Controlled Goods
  • CG13708
  • CAGE L4597

Tell us about your project.

    Please note that Promark Electronics does not manufacture single units of equipment for personal use. We partner with OEMs for industry applications.