List of criminal enterprises, gangs, and syndicates

List of groups engaged in illegal activities

The following is a listing of enterprises, gangs, mafias, and criminal syndicates that are involved in organized crime. Tongs and outlaw motorcycle gangs, as well as terrorist, militant, and paramilitary groups, are mentioned if they are involved in criminal activity for funding. However, since their stated aim and genesis is often ideological rather than commercial, they are distinct from mafia-type groups.

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