High Voltage

The Tri-M Medium-High Voltage, Underground & Pole Line Construction Team has the capability to handle all outside electrical requirements including overhead lines, substations, duct banks, and site and sports complex lighting.

Protect it.

This team specializes in the installation and management of all outside electrical tasks, from project planning and design to emergency response. High quality, reliability and efficiency are the hallmarks of this thoroughly trained and well equipped group.

  • Pole line
  • Duct back substation
  • 24 x 7 storm call