What the research found
Identity and footprint
Black & McDonald Limited is a privately held, family-owned multi-trade contractor and facility service company founded in 1921. Operating with more than 6,800 employees out of more than 40 offices across North America, the company maintains its corporate headquarters at 2 Bloor Street East, Suite 2100 in Toronto, Ontario. In Ontario, the company maintains branch and divisional operating offices across Toronto (Pullman Court, Select Avenue, Technical Services on Finch Avenue East, Railside Road in North York, and Baywood Road in Etobicoke), Markham (Commerce Valley Drive East), Ottawa, Hamilton (Stoney Creek), London, Kingston, Barrie, Sarnia, Bowmanville, Pickering, and Tiverton.
Not established: Exact legal corporate ownership structure and shareholding breakdown among family trusts or holding entities Exact square footage and shop fabrication capacity across the Southern Ontario operating facilities
Confidence: high
2 sources
Operating model
Black & McDonald operates as an integrated multi-trade prime contractor, EPC (engineering, procurement, construction) provider, and facility management partner across the entire asset lifecycle. The company delivers complex installations and maintenance services across nuclear and thermal power generation, electrical utilities and grid distribution, municipal water and wastewater systems, commercial facilities, transportation and transit infrastructure, and institutional complexes. Delivery is organized into regional operational divisions (including Southern Ontario, Southwestern Ontario, Northern Ontario, and the Power Generation Region) that deploy unionized craft labour, in-house technical services, pre-fabrication shops, and project management teams.
Not established: Proportion of annual revenue generated from prime general contracting versus trade subcontracting agreements Standard contract duration and renewal cadence across long-term commercial facilities management accounts
Confidence: high
2 sources
Make versus buy
Black & McDonald self-performs core multi-trade construction disciplines using its unionized trade labour force, including electrical wiring, power line work, substation construction, plumbing, pipefitting, steamfitting, sheet metal fabrication, refrigeration, HVAC maintenance, millwrighting, boilermaker work, network cabling, fire protection, and concrete duct bank construction. It subcontracts specialized peripheral or heavy civil scopes, including deep foundation excavation, asbestos abatement, scaffolding and overhead protection, and buys custom-engineered mechanical and electrical gear directly from specialized equipment manufacturers.
Not established: Threshold criteria determining whether specialized instrumentation and controls programming is delivered in-house or subcontracted to system integrators Preferred vendor list for heavy equipment rental versus company-owned fleet vehicles
Confidence: high
2 sources
Procurement and intake
Subcontractor and supplier procurement is governed by formal Subcontractor Management Program BM-P36 and managed through a proprietary online Subcontractor Prequalification Portal (SCPQ / DSI). Subcontracting opportunities are identified during project estimating and pre-construction by project managers and administrators, who submit internal Helpdesk tickets to request vendor prequalification. The Corporate Legal Department emails the subcontractor a portal invitation to submit their qualifications. Submissions undergo parallel review and approval by Legal, Finance, and HSE departments. Once approved, vendor status is synchronized into JD Edwards (JDE), where Legal must verify approved compliance status prior to purchase order issuance; any unapproved vendor requires an explicit Regional Vice President override.
Not established: Whether decentralized field buyers have petty-cash or small-order discretionary purchasing limits without portal prequalification Average turnaround time for multi-department prequalification review across Tier 2 and Tier 3 applications
Confidence: high
1 source
Qualification gates
Trade labour is strictly unionized, with craft personnel dispatched through local trade union hiring halls across electrical, piping, boilermaking, millwrighting, and sheet metal trades. Subcontractors face structured commercial and compliance gates based on purchase order size: Tier 1 (up to $50,000) requires agreement to B&M Code of Conduct and HSE Policies, valid WCB/WSIB clearance and rate statements, Certificate of Insurance, and HSE statistics; Tier 2 ($150,000 to $250,000) adds trade references, previous project references, and commercial credit checks; Tier 3 (exceeding $250,000) mandates an HSE credit check, safety policy review, and site-specific Project Safety Plan. Black & McDonald itself holds ESA Electrical Contractor License 7001122, TSSA registrations, COR certification across Canada, ISO 9001:2015, ISO/IEC 27001:2022, SOC 2 Type II, ASME U/S/PP stamps, CWB welding accreditations, and CSA N285.0/N286/N299.1 nuclear certifications.
Not established: Exact minimum commercial general liability insurance limits required for Tier 1 versus Tier 3 subcontractors Specific prompt payment terms and holdback release timeframes under B&M standard master subcontract agreements
Confidence: high
2 sources
Active signals
Current active signals demonstrate substantial public infrastructure delivery, nuclear power expansion, and digital system maturation. On May 8, 2026, the company announced achieving ISO/IEC 27001:2022 certification and SOC 2 Type II examination completion. In Summer 2026, it is executing as prime constructor modernizing the City of Ottawa wastewater pumping infrastructure, self-performing mechanical, electrical, and duct bank scopes. In 2024, it secured a 10-year primary Grid Response contract with Toronto Hydro running through 2034. In Winter 2026, Corporate HSE rolled out an enterprise Subcontractor Management oversight initiative featuring QR-code eOrientation and rating systems while reviewing Procore and Power BI integrations.
Not established: Exact dollar contract value of the City of Ottawa pumping station reconstruction contract Total headcount additions planned for the Toronto Hydro grid response team over the contract lifecycle
Confidence: high
2 sources
Technology and systems
Enterprise operations rely on JD Edwards (JDE) for core enterprise resource planning, financial accounting, and purchase order prequalification validation. Digital field management, incident prevention, and project coordination utilize Procore and eCompliance cloud platforms, supported by Microsoft Power BI for safety analytics and operational reporting. Digital device administration uses Microsoft Intune. Subcontractor intake is managed through the proprietary Subcontractor Prequalification Portal (SCPQ / DSI), and third-party contractor compliance verification is conducted through Avetta, ISNetworld, ComplyWorks, ContractorCheck, and Cognibox.
Not established: The specific enterprise-wide HSE software vendor selected for potential enterprise transition in 2027 Estimating and takeoff software packages utilized by the mechanical and electrical estimating divisions
Confidence: high
2 sources
Recent activity
Black & McDonald announced achieving ISO/IEC 27001:2022 certification and successfully completing a SOC 2 Type II examination, validating its information security management controls and enterprise operational standards.
Current, dated · May 8, 2026
1 source
Black & McDonald serves as constructor for the City of Ottawa wastewater critical pumping infrastructure modernization project, with its mechanical division acting as general contractor self-performing all mechanical work while overseeing trade subcontractors, the electrical division handling power and controls, and utilities completing concrete duct banks.
Current, dated · Summer 2026
1 source
Black & McDonald was awarded a 10-year contract starting in 2024 as a primary Grid Response contractor for Toronto Hydro, maintaining electrical grid reliability across the city.
Current, dated · Spring 2025
1 source
Black & McDonald marked 25 years of continuous engineering, procurement, construction, and maintenance service in Canada's nuclear power generation sector across facilities in Ontario and New Brunswick.
Current, dated · Summer 2025
1 source
Corporate HSE introduced a strategic Subcontractor Management oversight framework featuring standardized safety metrics monitoring, a post-job rating system, and an eOrientation module for trade subcontractors accessible via QR code.
Current, dated · Winter 2026
1 source
Privately owned multi-trade contractor operating continuously since 1921 with more than 6,800 employees across 40+ offices in North America.
Standing
1 source
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From our humble start in 1921 as an electrical wiring contractor, Black & McDonald has grown to multiple lines of business with more than 6,800 employees working out of 40+ offices, and become one of North America’s most respected integrated, multi-trade service providers.
1. Construction-Utilities-Facility Services | Black & McDonald
Organizations and projects
Delivered for
Toronto Hydro
Awarded a 10-year contract in 2024 as a primary Grid Response contractor providing electrical emergency response and grid maintenance services.
torontohydro.com · Spring 2025
1 source
Delivered for
City of Ottawa
Engaged as prime constructor for critical municipal wastewater pumping station modernization, self-performing mechanical and electrical scopes and overseeing subcontractors.
ottawa.ca · Summer 2026
1 source
Delivered for
Ontario Power Generation
Long-term client accepting Black & McDonald's nuclear quality assurance programs for engineering, procurement, construction, and maintenance across Ontario nuclear stations.
opg.com
1 source
Delivered for
Bruce Power
Major nuclear power generation client accepting Black & McDonald's nuclear quality assurance programs for installation, modification, and maintenance services.
brucepower.com
1 source
Delivered for
Greater Toronto Airports Authority
Delivered complex HVAC contract transition, facilities maintenance, and mechanical services at Toronto Pearson International Airport.
torontopearson.com
1 source
Delivered for
City of Toronto
Awarded contracts for municipal electrical maintenance and traffic emergency services.
toronto.ca · Summer 2025
1 source
Subsidiary of
Roberts Onsite
Wholly owned subsidiary multi-trade contractor located at 209 Manitou Drive in Kitchener, Ontario.
robertsonsite.ca
1 source
Subsidiary of
Commercial Cleaning Services
Subsidiary cleaning and facility maintenance provider located in St. Catharines, Ontario.
1 source
Subsidiary of
Pierre Brossard
Wholly owned electrical and civil infrastructure construction subsidiary located in Brossard, Quebec.
1 source
Affiliated with
Canadian Base Operators
Affiliated facilities operations and base management company sharing corporate offices at 75 Commerce Valley Drive East in Markham, Ontario.
canadianbaseoperators.com
1 source
Affiliated with
Entera
Affiliated utility contractor operating from 1011 Wilson Avenue in Toronto, Ontario.
entera.on.ca
1 source