Sectors

Unlock insights in Ontario’s leading sectors

Ontario is the engine of Canada’s economy and a trusted partner for global business. With more than a century of automotive excellence and world-class expertise in advanced manufacturing, life sciences, technology and clean energy, Ontario companies deliver the quality, innovation and reliability international buyers need. Explore Ontario’s leading sectors and discover why companies from across the province should be part of your global supply chain.

  • Sector Companies by the Numbers

  • 25,000+

    Tech firms

  • 2,000

    life sciences firms

  • 500+

    tool, die and mould makers

  • 350+

    automation and robotics companies

  • 5,000

    cleantech companies

  • 400+

    autonomous and smart mobility companies

  • 200+

    aerospace firms

  • Advanced Manufacturing

    Drive global growth with Ontario’s manufacturing strength. Home to more than your business growth with one of Ontario’s 20,000+ manufacturing companies across sectors including automotive, chemicals, robotics and advanced technologies, Ontario offers the scale, expertise and innovation to support businesses in markets around the world.

    Build with manufacturing strength

  • Aerospace

    Reach new heights with Ontario’s aerospace strength. With expertise supporting nearly every passenger aircraft worldwide, Ontario’s aerospace sector brings together advanced engineering, precision manufacturing and specialized talent to support the future of flight.

    Reach new heights

  • Automotive

    Accelerate success with Ontario’s automotive strength. With a proven track record of excellence, including more than 41 J.D. Power and Associates awards and home to the world’s most awarded automotive manufacturing plant , Ontario’s automotive sector is built on quality, innovation and performance.

    Unlock automotive excellence

  • Clean Technology

    Lead the way in sustainability with Ontario’s cleantech strength. From water technologies to small modular reactors and advanced clean solutions, Ontario’s cleantech ecosystem is helping drive innovation, resilience and sustainable growth.

    Power up with cleantech

  • Defence

    Strengthen your defence supply chain with Ontario’s advanced technologies, manufacturing expertise and trusted suppliers supporting military programs worldwide.

    Explore Ontario’s Defence Advantage

  • Information and Communications Technology

    Advance innovation and strengthen digital resilience with Ontario’s technology strength. Home North America’s third-ranked tech talent market, Ontario offers world-class expertise in technologies that help businesses develop products, secure systems and adapt to a digital future.

    Explore tech innovation

  • Life Sciences

    Advance health innovation with Ontario’s life sciences strength. As Canada’s #1 life sciences jurisdiction, Ontario leads in biopharma, medical devices and health technology, helping bring breakthrough discoveries and solutions to market.

    Innovate in life sciences

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