About Us

DeMelis was established in Concord, Ontario, in 1970, initially providing services specific to the construction industry. Over the years, our mandate has grown tremendously, as has our reputation for service, reliability and results. We now provide a complete spectrum of construction, maintenance and property management solutions, from site upgrades and repair to project planning and execution. With an expanding portfolio of clients, a growing number of sites being serviced and a support network that is keeping pace, DeMelis has successfully positioned itself as leader in the Commercial, Retail, Industrial and Petroleum sectors.


Our clients come from all over Ontario – we service 1000’s of customer locations across the province. A highly-skilled team, a constantly growing support network and a huge range of equipment at our service means we can deliver:

  • An extensive and customizable range of services based on our client’s requirements
  • Long-term construction & maintenance management solutions
  • A skilled team with a proven record in planning, leading & executing projects
  • A provincial network of alliance partners to help serve customer needs
  • Deep knowledge & experience servicing commercial, petroleum & construction sectors

Work With Us

Interested in working with the best in the business?
Please take a moment to complete the form below for more information or call us at 905.417.1250