Well if we're to use the "who benefited the most", I am the Walrus, etc, it would have to be Gambino. Tommy Brown always went along with him. I know there's no official boss of bosses but....come on. It was Lucky and Frank until 1957, then it was Carlo from 1957 till his death, then it was debatable between the Gambino's and The Genovese under Chin's rise to the top. After Gotti was out it was certainly Chin then Barney ever since. This is all speculation btw.

"...the successful annihilation of organized crime's subculture in America would rock the 'legitimate' world's foundation, which would ultimately force fundamental social changes and redistributions of wealth and power in this country. Meyer Lansky's dream was to bond the two worlds together so that one could not survive without the other." - Dan E. Moldea