Here is an article on Joseph "Jo Jo" Pecora, former Underboss to LaRocca/Genovese who also was a business agent for LIUNA local 178 of the Wreckers and Scrap Iron workers union. It's safe to say that LaRocca and Genovese had a stranglehold on quite a few locals from LIUNA and the IBT:

http://news.google.com/newspapers?id=9tQ0AAAAIBAJ&sjid=6G0DAAAAIBAJ&pg=5290,1708156&dq=joseph+pecora+and+local+178&hl=en