I have a unique organization setup:
Final decison maker: al capone (in another town pretending to be sick)
3 man council: frank costello, paul ricca, tommy luchese (they handle everyday ops and communicate with capone through a messenger )
Street boss: vincent galante (crazy act)
Enforcer: tony accardo
Top capo: santos traficante
Made guy: michael franchese
Highest ranking non-itallian: myer lanskey (unnamed 4th member of council)

"McGurn likes you, so I make you. So you are now one of us, if you fuck up, we take it out on McGurn. He is your sponsor. Fuck up, it's his ass. You work in his crew, he is your capo."