York Region is home to a growing defence sector of parts, components and assembly manufacturers, supported by a strong hardware and software technology ecosystem.
Disclaimer: This directory is not a comprehensive listing and is based on proprietary research conducted by the Trillium Network for Advanced Manufacturing in 2026. It is provided for informational purposes only, and the accuracy or completeness of the data is not guaranteed. The Regional Municipality of York is not liable or responsible for any consequences arising from the use of this information or the resources referenced.
Amid a more complex and unpredictable security environment, Canada is taking decisive actions to strengthen its security and sovereignty and to reinforce the resilience and long-term strength of the country.
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