This is the official list of gangs that were in the movie (made up and real!) and is from the original movie script.
The Alleycats,
The Amsterdam All-Stars,
The Baseball Furies,
The Black Hands,
The Blackjacks,
The Big Trains,
The Boppers,
The Boyle Avenue Runners,
The Charlemagnes,
The Colt 45's,
The Dealers,
The Delaney Rovers,
The Dingos,
The E Street Shufflers,
The Easy Aces,
The Electric Eliminators,
The Eighth Avenue Apaches,
The Fastballs,
The Fifth Street Bombers,
The Filmores,
The Firetasters,
The Five Points,
The Gerrards,
The Gladiators,
The Go Hards,
The Gun Hill Dancers,
The Gramercy Riffs,
The High Hats,
The High Rollers,
The Homeboys,
The Hoplites,
The Howitzers,
The Huks,
The Hurricanes,
The Imps,
The Jesters,
The Jones Street Boys,
The Judas Bunch,
The Jupiters,
The Knockdowns,
The Knuckles,
The Lizzies,
The Locos,
The Magicians,
The Meatpackers,
The Moonrunners,
The Napoleons,
The Nickel Steaks,
The Nightriders,
The Ninth Avenue Razors,
The Orphans,
The Panzers,
The Phillies,
The Plainsmen,
The Punks,
The Queen's Bridge Mutilators,
The Real Boys,
The Red Hook Shooters,
The Roadmasters,
The Rogues,
The Romans,
The Runaways,
The Saracens,
The Saratogas,
The Savage Huns,
The Shanghai Sultans,
The Southern Cross,
The Speedwagons,
The Stevedores,
The Stilletos,
The Stonebreakers,
The Terriers,
The Turks,
The Turnbull AC's,
The Van Cortlandt Rangers,
The Warriors,
The Whispers,
The Xenophones,
The Xylophones,
The Yo-Yo's,
The Youngbloods,
The Zodiacs,
The Zulus.
