From its very beginning, Black & McDonald has provided electrical services. While those services are now commercial, utility, and
construction-focused rather than residential, the range of service offerings has steadily widened to encompass:
power
utility
overhead line
emergency power
underground cabling
high-voltage splicing and termination
high and low voltage circuit breaker calibration and relay
testing
sub-station engineering, design, construction, commissioning,
and maintenance
