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Powering Industry Since 1957

Industrial Electrical Contractors St. Clair, MI

Our licensed experts and electricians will bring their best-in-class knowledge and experience to all aspects of your commercial, industrial, and institutional electrical design and construction projects—including DTE Primary and Commercial Services, Power Distribution, New Construction, Production & Processing Lines, Machine & Equipment Connections, and Preventive Maintenance Service.

For over six decades Electrex personnel have provided unmatched expertise and innovation to design, install, maintain, and service systems for business partners of all sizes.

Electrex offers the following electrical services:

DTE Primary and Commercial Services

  • DTE Preferred Contractor
  • 5-15kv Primary Switches & Cables
  • CT Cabinets & Utility Meters
  • Transformers up to 4000kva
  • Preventive Maintenance Programs
  • Infrared Reports
  • Oil Sampling/Megging/Turns Ratio
  • Foundation & Barrier Construction
  • NETA Affiliate

Power Distribution, 120v-600v

  • CT Cabinets & Metering
  • Switchgear & Vacu-Break Switches
  • Panel boards & Load Centers
  • Disconnects with Fuses or Breakers
  • Bus Duct & Bus Plugs
  • Power Feeders
  • Secondary Transformers

New Construction

  • Industrial Facilities
  • Commercial Buildings
  • Office & Retail Space
  • Recreational
  • Institutional

Production & Processing Lines

  • Stamping Presses
  • Robotics
  • Welders
  • Plastic Injection
  • Assembly
  • Food & Beverage Industry

Machine & Equipment Connections

  • CNC
  • Boring
  • Laser Cutting
  • Air Compressors
  • HVAC Units
  • Overhead Cranes
  • Air Handlers


  • DTE Lighting Rebates
  • LED Office Lighting
  • LED Industrial Facility Lighting
  • LED Outdoor Lighting
  • Emergency Lighting

Additional Services

  • Engineered Design & Build
  • General Electrical Repairs
  • Fully Stocked Electrical Supply Department
  • 24 Hour Emergency Service for our Customers

Low Voltage

  • Fiber Optic Cable
  • Ethernet Cable
  • IDF/Patch Panels/Internet Switches
  • Fire Alarm Cable and Devices

Uninterrupted Power Supplies

  • From PC's to large data centers and servers
  • Maintenance inspections and testing
  • All major brands

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