Official Conference of the Ontario Defence Association
Official Conference of the Ontario Defence Association
Best Defence is the front line of access to Ontario — recognized by the Province as Canada's largest defence-industrial base. Two days connecting industry, the Canadian Armed Forces, and government procurement decision-makers in London, Ontario.
Best Defence is the front line of access to it. Where the big trade shows chase scale, Best Defence is built for connection — direct, affordable access to the primes, the Canadian Armed Forces, and the federal and provincial decision-makers concentrated in Ontario's defence economy.
"Ontario is Canada's largest defence-industrial base."
— Ontario Ministry of Economic Development, Job Creation and Trade
Get briefed on live Canadian defence procurement opportunities and what's coming next.
Engage industry leaders, military representatives, and government procurement decision-makers directly.
Form the partnerships and teaming arrangements that win programs of record.
Develop and strengthen supply chains across air, land, naval, and C4ISR domains.
Explore new business through curated B2B and B2G matchmaking opportunities.
Discover the AI, quantum, cyber, and autonomy capabilities defining the next decade.
The Ontario Defence Association (ODA) is a member-focused industry association supporting Ontario's defence and dual-use sector. Through industry engagement, collaboration, and ecosystem-building, ODA helps strengthen connections across the defence industrial base and create new opportunities for its members.
Bringing together companies, leaders, and stakeholders across Ontario's defence ecosystem.
Supporting the growth, visibility, and competitiveness of Ontario's defence and dual-use industry.
Helping members access events, partnerships, and industry engagement opportunities — including a 10% discount on Best Defence attendee registration.
A marquee lineup of senior Canadian Armed Forces commanders, federal and provincial leadership, and defence-industry executives.
Two days of keynotes, roundtables, and curated B2B & B2G meetings with the people who shape Canadian defence procurement.
See fees & register →Maximize exposure on the floor, or take the stage in the Technology Showcase to present emerging capabilities to CAF and government.
Exhibitor options →Put your brand in front of prime contractors, military, and procurement specialists with a sponsorship built around your goals.
View prospectus →
A focused agenda of high-level keynotes, sector roundtables, and the connections that move programs forward. Illustrative — full 2026 agenda to be published.
300 York Street
London, Ontario · N6B 1P8
October 20–21, 2026
Join 500+ leaders from industry, the Canadian Armed Forces, and government at the front line of access to Canada's largest defence-industrial base. Ontario Defence Association members receive a 10% attendee discount.
Register for Best Defence 2026 →