Here's Fortune magazine's list from October of 1986:

Fortune magazine's list of the nation's top 50 mobsters, their ages and headquarters (many are in jail or on trial):
1. Anthony "Fat Tony" Salerno, 75, New York.
2. Anthony "Joe Batters" Accardo, 80, Palm Springs, Calif.
3. Anthony "Tony Ducks" Corallo, 73, Long Island, N.Y.
4. Gerardo "Jerry" Catena, 84, Boca Raton.
5. Gennaro "Jerry Lang" Langella, New York.
6. Carmine "Junior" Persico, 53, New York.
7. Christopher "Christie Tick" Furnari, 62, New York.
8. Salvatore "Tom Mix" Santoro, 70, New York.
9. Philip "Rusty" Rastelli, 68, New York.
10. Vincent "Vinnie" DiNapoli, 49, New York.
11. Ralph Scopo, 57, New York.
12. Russell Bufalino, 83, Scranton, Pa.
13. John Gotti, 46, New York.
14. Joseph "Joe Bananas" Bonanno, 82, Tucson, Ariz.
15. Santo "Louis Santos" Trafficante, 71, Tampa.
16. Carlos "Little Man" Marcello, 76, New Orleans.
17. Frank "Frankie Bal" Balistrieri, 68, Milwaukee.
18. Michael Franzese, 35, Long Island, N.Y.
19. Vincent "Chin" Gigante, 57, New Jersey.
20. Joseph "Joe Nagall" Ferriola, 59, Chicago.
21. Joseph "Joey O'Brien" Aiuppa, 78, Chicago.
22. Gus "Slim" Alex, 70, Chicago.
23. Vincent "Jimmy Blue Eyes" Alo, 82, Miami.
24. Anthony "Bruno" Indelicato, 39, New York.
25. Michael "Mike" Genovese, 65, Pittsburgh.
26. Joseph Gallo, 74, New York.
27. Philip "Benny Squint" Lombardo, 78, Miami.
28. Raymond "Long John" Martorano, 59, Philadelphia.
29. Anthony "Tony Pro" Provenzano, 69, New Jersey.
30. John "Jackie" Cerone, 72, Chicago.
31. James "Jimmie Napp" Napoli, 75, New York.
32. Paul Vario Sr., 72, New York.
33. Carl "Toughy" DeLuna, 59, Kansas City, Mo.
34. Gennaro "Jerry" Angiulo, 67, Boston.
35. Matthew "Matty the Horse" Ianniello, 66, New York.
36. James "Jimmy Brown" Failla, 67, New York.
37. John Riggi Sr., 61, New Jersey.
38. Louis "Bobby" Manna, 57, New Jersey.
39. John "Johnnie Dee" Digilio, 53, New Jersey.
40. William "Willie" Cammisano, 71, Kansas City, Mo.
41. Vincent "Little Vince" Meli, 62, Detroit.
42. Vincent "Vince" Solano, 67, Chicago.
43. Nicodemo "Nicky" Scarfo, 57, Atlantic City, N.J.
44. Tino "George Grecco" Fiumara, 46, New Jersey.
45. Donald "Don Angel" Angelini, 60, Chicago.
46. Peter "Pete" Milano, 60, Los Angeles.
47. Paul "Paulie" Schiro, 45, Phoenix.
48. Chris Petti, 47, San Diego.
49. Angelo "Little Angie" Tuminaro, 81, unknown.
50. Frank "The Horse" Buccieri, 62, Palm Springs, Calif.