I count 14 captains mentioned in the article and/or memo:
Jerry Chilli
Louis Civello
Joseph DeSimone
Ronald Giallanzo
Joseph Grimaldi
Vito Grimaldi
Peter Lovaglio
John Palazzolo
Anthony Pipitone
Joseph Sabella
Nicholas Santora
John Scrirememmano
John Zancocchio
George Tropiano
I assume some of the acting captains mentioned - Anthony Fasitta, Vincenzo Masi, Natale Mule, Al Armetta, Michael Padavona, and Vincent Caroleo - are for those above?
Also, Capeci confirms that Mancuso is official boss, Cammarano is official underboss/acting street boss, and Rabito is consigliere.