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About Us

MSB Group provides installation, maintenance and repair services for the HVAC and plumbing sectors across the Greater Toronto Area. MSB services institutional and commercial customers including school boards, municipalities and commercial properties.

MSB is well respected in the industry for consistently achieving high customer satisfaction ratings with our certified plumbers, gas technicians, oil technicians, steamfitters, refrigeration mechanics, controls technicians, electricians and welders. We are a one stop shop for all of your mechanical needs.

MSB’s sheet metal fabrication and welding capabilities allow it to provide a fully integrated offering for all mechanical contracting needs.

Current & completed projects and services include new builds, renovations, on-demand service and preventative maintenance.


We are always looking for people who want to work with one of the most reputable mechanical contractors in the Greater Toronto Area.

If you are a motivated and hard-working person with strong initiative and customer skills, please send us your resume.



Across The GTA

Health and Safety

MSB Mechanical Ltd. is committed to the prevention of occupational illness and injury in the workplace. MSB Mechanical Ltd. is responsible for implementing and maintaining a safe and healthy work environment for all employees. It shall be the responsibility of MSB Mechanical Ltd. to comply with legislated and established safe work procedures and practises.
All supervisors are responsible to ensure that safe and healthy work conditions are maintained for workers under their supervision. Supervisors will ensure that machinery and equipment are safe and that workers work in compliance with legislated and established safe work procedures and practises.

It shall be the responsibility of all workers to work safely and follow legislated and established safe work procedures and practices. It is also the responsibility of all workers to report unsafe or unhealthy conditions. Sub-Contractors and their workers are expected to meet or exceed MSB Mechanical Ltd. health and safety requirements. It is in the best interest of everyone on our premises to consider health and safety in every activity. At MSB Group an injury and accident free workplace is our goal through continuous commitment for all workplace parties, we can accomplish this.

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