Although I'm sure still influential, I personally think their role and influenced has diminished over the last 15 years or so.
Recent investigations in Italy continually show how Catania and Palermo families get their coke from the Calabrians. This pattern seem to replicate itself in parts of NYC so why wouldn't it happen here in Canada?
The Ndrangheta is moving tons of blow around the globe daily, on behalf of and for other organizations as well.
Cosa Nostra is still recovering from it's war against the italian state, but Provenzano as well as Messina Denaro have brought them back on the international level. Younger guys like Big Joe Cun trera will benefit from that. I send you a pm Dave.