That's from the Chicago Crime Commission in 1997 which was a few years before they ever talked to Nick Calabrese.
It is not from the F.B.I. and it is not really accurate because it doesn't spell out the 4 street Crews.
The real structure of the Outfit always revolved around Street Crews. in 1997, there were 4 Crews.
Elmwood Park, John DiFronzo
Grand Ave, Joey Lombardo
Cicero, Jimmy Marcello (jail)
26th St, Angelo LaPietra