Black & McDonald Ltd.

Black & McDonald Ltd. is a union mechanical and electrical contractor serving the Greater Toronto Area from their headquarters in Scarborough, Ontario. As a signatory contractor with IBEW Local 353, the company employs skilled union tradespeople committed to quality and safety. The company's core services include electrical construction and maintenance, mechanical HVAC, plumbing, and sheet metal fabrication. Black & McDonald specializes in large-scale industrial, commercial, and institutional projects, serving clients across the manufacturing, healthcare, education, and infrastructure sectors. Their experienced team brings expertise in design-build, retrofit, and turnkey project delivery. Black & McDonald serves clients throughout Ontario and across Canada. In addition to their headquarters, the company operates offices in Vaughan, Mississauga, and several other locations, allowing them to support projects of all sizes from local renovations to multi-site industrial facilities. The company maintains strong relationships with IBEW and other trade unions and is committed to employing trained, certified tradespeople. Black & McDonald holds numerous certifications including ISO 9001, COR, and NEBB, and is licensed to operate in multiple provinces. Their commitment to safety is demonstrated by an excellent safety record and comprehensive safety programs. With a team of over 6,800 professionals, Black & McDonald has the resources to handle projects ranging from small renovations to large-scale industrial facilities. The company's 100+ years of experience and reputation for quality workmanship have earned them numerous industry awards and a loyal client base. For electrical, mechanical, and sheet metal services in the Greater Toronto Area, Black & McDonald offers reliable, union-trained expertise. Contact them to discuss your next industrial, commercial, or institutional project.