Castellano set up so many profitable legitimate corporations for his sons and grandsons, the sons are both multi millionaire successful businessmen...all on the illegitimate income of Big Paul. The Castellano sons' most profitable holding is Dial Poultry, a wholesale poultry company that does business nationwide. Here was an article in 1999 in the NY Times that I read when it came out:

http://www.nytimes.com/1999/01/31/magazine/the-don-is-done.html?pagewanted=all&src=pm

Here is the website link to his successful pizza chain in South Florida called Big Louie's:

http://www.biglouies.com/