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Québec shipyard constructing and repairing commercial and government vessels in Gaspé.

ChimeraXR is an Ontario extended-reality training company developing mobile virtual- and mixed-reality systems that let military, law-enforcement, and other armed professionals build and run modular tactics and use-of-force scenarios with physical training equipment.

Clear Seas is a Canadian not-for-profit research organization focused on the human, environmental and economic effects of marine shipping. It produces public research, convenes government, industry and community perspectives, and develops Indigenous research and maritime capacity programs. Its work gives decision-makers evidence for shipping policy and planning.

Canadian mobile-robotics company building autonomous ground vehicles and robotics platforms for industrial and research use.

ClearSky Connect is an Ottawa connectivity company developing network-assessment and communications services for scalable autonomous aviation and beyond-visual-line-of-sight operations over large infrastructure areas.

Canadian manufacturer and supplier of high-reliability electrical interconnect systems for land, sea, air and space platforms.

Canadian aerospace company providing avionics, cockpit systems, simulation and mission equipment.

Canadian shared research infrastructure and technology-transfer organization providing microelectronics, photonics, MEMS, embedded systems and advanced fabrication access to academic and industrial users.

Coastal Defence Systems describes a Canadian defence UAV and autonomy portfolio in development. Lake Central Air Services announced its acquisition of Coastal in July 2026, with the combined business to operate as Valkyrie Aerospace. The published strategy links Coastal’s systems with Lake Central’s aircraft-engineering and manufacturing infrastructure.

Canadian spatial-analytics company providing data and analysis for immersive and simulation applications.

Canadian AI company developing enterprise language models and retrieval-augmented generation systems.

Cohesys

Toronto, Ontario

Cohesys is a Toronto medical-device company developing resorbable fracture-fixation technology intended to replace conventional drill, plate and screw approaches for selected fractures.

Colmor Marine Group provides ROV inspection, side-scan sonar survey and non-destructive testing for coastal marine assets, combining remote sensing with diving and project-support services from Comox.

Canadian small-arms manufacturer and support provider serving military and law-enforcement users.

Communitech

Kitchener, Ontario

Communitech is a Waterloo Region technology ecosystem organization and one of Canada's two NATO DIANA accelerator sites, supporting technology companies from startup formation through scale-up and dual-use defence innovation.

CompleteWaters is a Meaford marine-robotics operator providing portable ROV, USV, water-quality, sediment-sampling and boat services across Canada, including deployments in Arctic conditions.

Comtek Advanced Structures designs, manufactures and repairs aircraft structural components. Its Burlington operation supplies composite panels and avionics racks and provides metallic and composite repairs for regional jets and turboprops.

ConnexionWorks is a Saint John entrepreneur-support organization operating incubator programs, workspace, mentorship, coaching and business-advice services for local founders and startups.

Convergence Design Services is an Arnprior, Ontario engineering company designing rugged electronics, mobility, aerospace, space and defence systems and developing sovereign Canadian platforms including the MIL-V ground vehicle.

Copsys Technologies is a St. John's marine-technology company developing a self-sensing protective coating that detects and locates corrosion while providing antifouling and cathodic protection for ships and other marine assets.

COVE

Dartmouth, Nova Scotia

COVE helps marine and dual-use technology companies test equipment, develop commercial pathways and connect with partners from its Dartmouth waterfront base. Stella Maris offers subsea and dockside testing, shoreside working facilities and a data portal. COVE is also a NATO DIANA accelerator site serving selected innovators. Its current service index labels incubation as coming soon, so the historical Start-Up Yard listing is not an established current intake route.

Creative Destruction Lab

Toronto, Ontario

Creative Destruction Lab is a nonprofit science and technology venture program founded at the University of Toronto's Rotman School of Management, with Toronto streams spanning defence, artificial intelligence, quantum and space technologies.

Quebec aerospace research consortium that structures and co-finances collaborative research and development projects involving companies and research organizations.