tony mucci and vincenzo di maulo are from campania, francesco del balso and rocco sollecito are pugliese
in montreal the sicilians exceed the calabrians by far
the calabrians are more in toronto and hamilton
but of course the cotroni and some other calabrians members of the montreal faction could be involved, but its just speculation so far and i doubt they even are
Here's some light reading......
Arcadi and Rizzuto resolved to find out the Italian origins of Rosmar Litho’s owner. They figured if they could find someone whose origins were from the same village in Calabria, Rosmar Litho could at least be approached about dropping the lawsuit. But the threat of violence was kept as a second option.
“At the same time we can do another thing. You or me, we’ll send a few young men. They know how to talk. Nobody knows them . . . to give him the message to see if he understands,” Arcadi told Rizzuto.
Arcadi and Rizzuto assigned Del Balso to find the right person to approach Rosmar Litho’s owner. On April 26, 2006, Del Balso was recorded on wiretaps telling his own father that the assignment was “breaking his balls” and that he was asked to solve the problem because he, Del Balso, was “paesano” from the same Italian town as Rosmar Litho’s owner.
