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.
A marquee lineup of senior Canadian Armed Forces commanders, federal and provincial leadership, and defence-industry executives.
JDRoyal Canadian Artillery
WHDefence Investment Agency
CSCanadian Army
PDBDC
DHGlobal Affairs Canada
GDDelegation of the European Union
SPCouncil of Canadian InnovatorsTwo 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 →Alliance Partnership is reciprocal and performance-based: associations, chambers, clusters, and municipalities commit to recruiting a delegation, and earn co-branded reach, delegation recognition, and passes on the registrations they deliver.
Best Defence 2026 is supported by the organizations below. Select any logo to visit them.
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 →