Genna crime family Porrello crime family St. Louis crime family Rochester Crime Family Bufalino crime family Dallas crime family Denver crime family San Francisco crime family New Orleans crime family San Jose crime family Seattle crime family Omaha crime family Cardinelli gang New York Camorra East Harlem Purple Gang Las Vegas crew Jewish mafia New York City The Bugs and Meyer Mob Kaplan gang New York divorce coercion gang Rosenzweig gang Rothstein organization Schultz gang Shapiro Brothers Yiddish Black Hand Boston 69th Street Gang Sagansky organization Solomon organization Los Angeles Cohen crime family (mix between Jewish and Italian members) The Purple Gang Zwillman gang Kid Cann's gang Birger mob Cleveland Syndicate African-American organized crime New York City The Council Harlem numbers racket Bumpy Johnson gang Supreme Team The Bebos The Country Boys Matthews Organization The Family Detroit Black Mafia Family Young Boys, Inc. Chambers Brothers Philadelphia Black Mafia Junior Black Mafia Oakland, California 69 Mob Funktown and Acorn mobb Williams organization (drug trafficking) Washington, D.C. Rayful Edmond organization Theodore Roe's gambling ring Stokes organization Atlantic City Aso Posse Miami Miami Boys Rosemond Organization Irish Mob Prohibition-era Chicago gangs North Side Gang James Patrick O'Leary organization John Patrick Looney gang Valley Gang Ragen's Colts Touhy gang Enright gang Boston Mullen Gang Winter Hill Gang Gustin Gang Charlestown Mob Killeen gang Danny Hogan's gang Danny Walsh gang Tom Dennison empire Nucky Johnson's Organization Danny Greene's Celtic Club K&A Gang New York Dwyer gang White Hand Gang Higgins gang The Westies St Louis Hogan Gang Egan's Rats European organized crime The Belgian Milieu 'Hormone mafia' Milieu Liègeois Czech Republic Mrázek organization Krejčíř organization Dutch 'Penose' Bruinsma drug gang Holleeder gang Mieremet gang Riphagen gang (WWII-era) Hopi Boys French Milieu (See also Service d'Action Civique) Corsican mafia (see also National Liberation Front of Corsica) Unione Corse Carbone crime family Francisci crime family Mondoloni crime family Brise de Mer gang Les Caïds Des Cités Faïd gang The Barbarians Wigs gang North African Brigade (see also Carlingue) Tractions Avant gang Bande des Trois Canards Greece Greek mafia Ireland (See also Irish Republican Army) Dublin Cahill gang Gilligan gang Foley gang Hyland gang Dunne gang The Westies Limerick McCarthy-Dundon Keane-Collopy Rathkeale Rovers Kinahan gang Hutch gang Poland (See also Group 13) Pruszków mafia Slovak mafia Spain (see also ETA) Garduña Galician mafia Romani clans Casamonica clan El Clan De La Paca Raffael clan Sztojka clan Rashkov clan