New York and other Families sold out most of their interests in the late 1960's when Howard Hughes and others began buying the casinos. But Chicago and other Mid-West Families maintained their interests until the mid-1980's.

Here's a list of which casinos have been tied to which Families -

The Aladdin - Detroit, St. Louis
Caesar's Palace - Chicago, Genovese family, New England
The Desert Inn - Cleveland (Moe Dalitz), Chicago
The Dunes - Chicago, St. Louis, Kansas City, New England
The Flamingo - Bugsy Siegel, Meyer Lanksy, Genovese family
The Fremont - Cleveland, Chicago, Genovese family
The Frontier - St. Louis
The Hacienda - Chicago
The Horseshoe - Genovese family
The Marina - Chicago
The Riviera - Chicago
The Sahara - Chicago
The Sands - Joseph "Doc" Statcher, Chicago, Genovese family
The Stardust - Chicago, Kansas City, Milwaukee, Cleveland
The Thunderbird - Meyer Lansky, etc.
The Tropicana - Chicago, Genovese family, Kansas City, New Orleans