About Us

Interiors and Exteriors

Founded in 1914, M. Sullivan & Son Limited is a full-service construction company based in Eastern Ontario. We serve clients in the industrial, commercial, institutional and public sectors. Our 98 years of continuous service are clear evidence of our dedication to quality, and our financial and corporate stability.

Our sterling reputation for completing projects on time and on budget and for consistently meeting or exceeding expectations for quality and safety has led to our ongoing recognition as one of Canada's 50 Best Managed Companies - a designation we pledge to maintain.