Hey Skinny, I've definitely seen a clan list somewhere. Will try and hunt it down for you. in the meantime here's a rough list of the madamenti in Sicily. Keep in mind each madamento is made up of 3 separate families.

Palermo City commission
Puorto Nuovo
Brancaccio
Boccadifalco
Passo di Rigano
Santa Maria di Gesù
Noce
Pagliarelli
Resuttana e S. Lorenzo

Palermo Province commission
Corleone
Partinico
San Giuseppe Jato
Villabate
Belmonte Mezzagno
Gangi – San Mauro Castelverde

Agrigento province commission
Agrigento
Porto Empedocle
Canicattì
Cianciana
Ribera
Sambuca di Sicilia (the sciaccia family are semi autonomous but theoretically make this a 4 family mandimento)
Casteltermini
Palma di Montechiaro
Campobello di Licata

Trapani province commission
Trapani
Castelvetrano
Mazara del Vallo
Alcamo

Caltinesetta commission
Gela (the non cosa nostra organised crime group 'La Stidda' also operate here. They're basically a bunch of smelly, stupid guys the real CN would never employ.
Vallelunga
Riesi
Mussomeli

Catania province Commission
(no mandamenti as there is only one, very large family active in the province)
Santapaola