B&M specialized technician conducting tests and maintenance of an electrical system

Field Services

At Black & McDonald, the capabilities and offerings of our highly experienced trades people, technicians, technologists and engineers are as diverse as the customer base they service.

From large industrial plants and utilities to retail, commercial, education, healthcare and transportation facilities, they are trained to work in even the most hazardous environments.

Using our Predictive and Preventive Maintenance Systems (PPMS), we conduct tests and inspections that are the most thorough in the industry. All of these are performed in accordance with IEEE, NETA, CSA, ISO and ANSI requirements and backed by the vast capabilities and resources that only Black & McDonald can bring to the table.


Commissioning & Maintenance of all Equipment 208 V to 500 kV

  •  HV/LV Switchgear
  • HV/LV Breakers
  • Protective Relays
  • Power Transformers
  • DC Battery Systems
  • Power Cables
  • Protection/Control

Metering Systems

  • Grounding Systems
  • Receptacle Testing
  • Control Cabling
  • SCADA Systems
  • Advanced Relay Control

Logic Infrared Scanning

  • Electrical
  • Mechanical
  • Building Envelope


  • Short Circuit Analysis
  • Coordination Studies
  • Arc Flash Hazard


  • P&C Design Build

Grounding Systems

  • Soil Resistivity
  • Fall of Potential
  • Ground Grid Design
  • System Design/Evaluation


  • PCB Transformer Replacement
  • Circuit Breaker Rebuilding
  • Switchgear Rebuilding
  • Transformer Overhauls
  • Oil Processing
  • PCB Removal

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Join Our Team

You believe that if something’s worth doing, it’s worth doing right. That solutions should be made to last. That being part of a team means working not just for oneself but for one another. That’s how we operate too. At Black & McDonald, we’re on a mission to do work and build relationships that stand the test of time.