EllisDon is a global construction leader redefining the industry through innovation, sustainability, and inclusive, community-driven infrastructure.

EllisDon is an employee-owned construction services company that was founded and incorporated in 1951 in London, Ontario, Canada, by brothers Don and David Ellis Smith. [1]

As a world-leading construction and building services company, EllisDon is committed to reducing GHG emissions by 42% by 2030 and achieving net-zero by 2050 or sooner.

Jul 10, 2025 · EllisDon is an employee-owned construction services company that was founded and incorporated in 1951 in London, Ontario, Canada by brothers Don and David Ellis Smith.

With a passion for continuous innovation, EllisDon unites dynamic teams to deliver innovative, sustainable, and resilient infrastructure across diverse market sectors.

This is EllisDon. Founded in 1951, EllisDon Corporation has stood as a testament to unwavering quality and innovative construction. An employee-owned company, we've built our reputation …

19K Followers, 343 Following, 1,659 Posts - EllisDon Corporation (@ellisdoncorp) on Instagram: "Construction, redefined Built on trust. Rooted in relationships. 📍Canada, USA & MENA"

EllisDon is an employee-owned construction services company that was founded and incorporated in 1951 in London, Ontario, Canada, by brothers Don and David Elli...

Over the decades, EllisDon has grown to become a pivotal player in the development of major infrastructure projects worldwide. EllisDon's expertise extends beyond traditional construction, …

Explore our upcoming projects designed to shape communities, connect people, and redefine possibilities.