A collage of pictures from various service lines at Black & McDonald

We’re on a mission to do work and build relationships that stand the test of time.

From our humble start in 1921 as an electrical wiring contractor, Black & McDonald has grown to multiple lines of business with more than 6,500 employees working out of 40+ offices, and become one of North America’s most respected integrated, multi-trade service providers.

Today, we remain a family-owned and operated business driven by our founder’s philosophy to “Do things right” and “Deliver lasting value”. That simple promise remains at the core of everything we do.

Unmatched industry experience. Uncompromising standards.

We believe that if you’re going to do something, you should make sure you do it right.

We successfully deliver high-value services and build enduring customer relationships by leveraging our four core strengths:

We are skilled, passionate people who bring a full spectrum of expertise

We have the breadth of knowledge, experience, capabilities and resources to effectively build and oversee full project and asset lifecycles – from design and build to maintenance, operations and management.

We are committed to uncompromising standards

We are disciplined and meticulous professionals who believe safety excellence, sustained technical prowess, strong work performance and continuous improvement are the foundations for lasting customer satisfaction.

We are genuine partners

We treat others how we want to be treated and pride ourselves on being reliable, responsive and engaged partners in both good times and bad.

We are forward-thinking and innovative problem solvers who deliver solutions that last

We marry business acumen, customer understanding and foresight to proactively find new ways to create and unlock value for our customers.

Key Statistics

B&M's electrical & mechanical contractor logo from the 1920's on the truck

Black & McDonald Story

Black & McDonald was founded in 1921 as a partnership between William John (W.J.) McDonald and William R. Black, and was primarily engaged in simple residential electrical wiring.

Black & McDonald's plaque with core values

Our Values

From the very beginning, W.J. McDonald had a vision of how he wanted the company to grow, and he established a Code of Business that guides our organization to this day.

B&M project engineers at a turbine base construction site discussing progress

Health, Safety & Environment

At Black & McDonald, excellence in Health, Safety and Environment is inherent in how we do business in all aspects of our operations.

Black & McDonald data and networking technician conducting an inspection and quality check


Quality has always been a cornerstone of our business philosophy. We believe our customers deserve the highest quality products and services available.

B&M employees and their families at a CSR event planting trees

Corporate Social Responsibility

“Do it right” is a Black & McDonald core value, and that belief extends beyond project work into our interaction and integration with the communities and stakeholders we serve.

A fleet of service trucks from B&M's affiliate Entera Utility Contractors

Subsidiaries & Affiliates

The Black & McDonald family of companies includes a number of wholly owned subsidiaries and affiliated companies across Canada and the United States.

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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.