Mark III’s Electrical division is dedicated to quality design, fabrication and installations, all while practicing the strongest commitment to safety and standards on all projects. With expertise covering industrial substations, medium voltage distribution and switch gear, distribution centers, food and beverage processing plants, commercial tenant improvements, historical renovations, as well as interior and exterior lighting, clients have relied on Mark III to continually deliver complex electrical projects.

Our Electrical Services Include:

  • Substations: primary and secondary power
  • Site lighting
  • Joint trenching
  • Utility trenching
  • Lighting retrofits
  • Distribution, low and medium voltage
  • Tenant improvements
  • Solar installation
  • Fire alarm and security
  • Temporary power
  • Interior and exterior lighting design
  • Photometric analysis
  • Generator and UPS installation
  • Equipment hookup
  • Data centers and data rooms

Medium/High Voltage and Substations

Mark III has provided medium and high voltage services for decades. We employ the best electricians who understand what it takes to provide excellent customer service in the construction industry. We provide cable splicing, rigging, and electrical design and installation. Mark III has experience in upgrading and retrofitting existing facilities and installations of new state-of-the-art facilities for everything from large high voltage substations, switch stations to smaller distribution stations. In addition to construction, we offer complete turnkey services including project management support, material procurement and management, quality assurance/quality control, certified bus welders, testing/commissioning and final job close-out. We are a highly motivated team with a strong emphasis on safety.

Low Voltage

Whether Fire Alarm, Security, Lighting Control, or cabling systems, a critical need of any project lies in low voltage. Mark III offers the design and installation of many systems, including CCTV, access controls, Audio/Visual systems and more. Our technicians provide the highest quality and attention to detail for the final connections prior to completion. They are trained and certified in the many systems available today.

Our Low Voltage Services Include:

  • Fire Alarm design, installation, monitoring, and inspections
  • Intrusion alarm
  • Access control
  • CCTV systems design and installation
  • IP/Analog/Digital Communication
  • Data rooms and design
  • Access control
  • Tele/Data cable systems
  • Fiber installation and testing
  • NICET Certification