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

Our subsidiaries and affiliates add additional levels of expertise.

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


BMEI is an integrated, multi-trade contractor serving the U.S. market that specializes in turn key energy and infrastructure projects for the utility, power generation, and industrial sectors.
As a Tier 1 EPC contractor, BMEI delivers complete construction solutions and self-performs on projects from concept through to completion.


Pierre Brossard
Pierre Brossard has an established presence in the Quebec construction market, providing complete electrical construction and civil engineering services to clients in the commercial and industrial sectors. Pierre Brossard joined the Black & McDonald family in 2018, enabling both companies to provide an expanded service offering to clients in the Quebec market.


Riverside Electrical Contractors
Riverside Electrical Contractors provides full service electrical solutions to clients across the southeastern United States. Riverside specializes in electrical construction and maintenance, as well as building automation services for clients in the institutional, commercial and industrial (ICI) markets.
Since joining the Black & McDonald family of companies in 2017, Riverside has gained the ability to leverage the significant resources and expertise of our parent company and its subsidiaries and to deliver on a wide range of large-scale utility, energy, and infrastructure projects.


Roberts Onsite
Roberts Onsite provides integrated multi-trade construction solutions and maintenance support to meet the requirements and specifications of process-driven, building-related, or energy installation projects.


Commercial Cleaning Services

Commercial Cleaning Services provides comprehensive, sustainable, performance-based cleaning solutions to clients across diverse industry sectors.


Our affiliated companies include:

Canadian Base Operators
Canadian Base Operators was formed in 1995 by Black & McDonald and Pacific Architects & Engineers (PAE) and provides facilities management, operations and maintenance for Department of National Defence (DND) facilities, as well as a wide range of logistics support for training and operations of the Canadian Forces.


Entera, a partnership between Black & McDonald and Robert B. Somerville, is one of the largest utility contractors in Toronto for civil underground and street lighting maintenance.


Morningstar Services
Morningstar Services is an Indigenous-owned multi-trade service provider that delivers safe, innovative construction, facilities management and technical solutions. From the beginning Morningstar’s mandate has been to positively contribute to Canadian Indigenous economic growth.


Midwest ATC Canada
Midwest provides air traffic control services to the Canadian Department of National Defence, government, and commercial clients. From airfield management to meteorological services, Midwest offers a full range of aerodrome services.


Emish is an Inuit company registered with the Nunatsiavut Government and provides prime contracting and multi-trade projects in the Labrador region.

This longstanding partnership works on large scale projects in the region.

Infinity Generation Services

A certified Indigenous and Woman-Owned company that offers multi-trade contracting services to clean energy sectors across Ontario.

Infinity Generation Services (igsi.ca)

B&M's project managers operating and maintaining an airport facility

Who We Are

From our humble start in 1921 as residential electrical wiring contractors, Black & McDonald has grown to multiple lines of business with over 6,500 employees working out of 40+ offices.

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.

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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.