Established in 1969, William Kelly & Sons is a privately held Canadian mechanical contracting company
operating in selected Canadian and United States locations.

The company provides a full range of construction mechanical contracting services - including bid plan and
specification work and design-assist - to commercial, industrial, and government markets.

William Kelly & Sons has professional, experienced and dedicated personnel who embrace a team-based approach to work. This allows the company to provide a high level of quality, cost-effective solutions to its
customers: on budget, on-time, and safely.

William Kelly & Sons values integrity and loyalty and commits itself to these core values in all its business
undertakings.