Ontario, Canada’s largest province by population and GDP, is a global powerhouse in the defence and aerospace sectors. With a thriving ecosystem of over 300+ companies providing defence products and services, Ontario is at the forefront of cutting-edge innovation, delivering world-class solutions across land, air, sea, cyber, and space domains.

Ontario’s aerospace and defence industry benefits from the province’s strong industrial base, highly skilled workforce, and a deep tradition of engineering and manufacturing excellence. The province is home to leading global players and innovative SMEs involved in everything from advanced materials and avionics to space systems, MRO (maintenance, repair, and overhaul), and AI-driven technologies. These firms are supported by a robust supply chain and world-renowned research institutions that drive continuous technological advancement.

Ontario-based companies supply critical components and systems to some of the world’s most sophisticated defence and aerospace platforms. The province’s capabilities include precision machining, sensors, propulsion systems, simulation and training, cybersecurity, and autonomous systems – all essential to modern military operations and future-ready platforms.

Strategically located in North America, Ontario offers seamless access to international markets. Through strong bilateral agreements and participation in global defence initiatives, Ontario companies are well-positioned to engage in multinational procurement programs and technology partnerships. This ensures Ontario firms are fully integrated into international defence supply chains.

At DSEI 2025, Ontario showcases its leadership in innovation, collaboration, and mission-critical technology. Whether you are looking for trusted suppliers, cutting-edge R&D partners, or opportunities to co-develop next-generation solutions, Ontario offers a stable, secure, and forward-thinking environment to grow and succeed.

Ontario’s presence at DSEI reflects its commitment to global defence and security, and its companies are ready to forge new partnerships, support allied missions, and contribute to shaping the future of aerospace and defence. From battlefield-ready systems to pioneering space technologies, Ontario delivers the expertise and innovation that global partners demand.