In my opinion, here is the Administration:

Boss- Joseph Andriacchi
Underboss- Salvatore DeLaurentis (Solly D)
Consiglieri- Johnny DiFronzo

Elmwood Park Boss: Marco D'Amico
Elmwood Park Underboss: Tony Dote

Grand Avenue Boss: Al Vena
Grand Avenue Underboss: Bobby Dominic or Chris Spina

26th Street Boss: Frank Caruso Jr.
26th Street Underboss: Bruno Caruso

Cicero Boss (Cicero/Berwyn Origin): James Inendino
Cicero Underboss (Cicero/Berwyn Origin): Salvatore Cautadella
Cicero Boss (Melrose Park Origin): John Matassa
Cicero Underboss (Melrose Park Origin): No idea

Of course this is just my opinion.