| Musician | Appearances |
|---|---|
| Charlie Benante | 11 albums |
| Scott Ian | 11 albums |
| Frank Bello | 10 albums |
| Joey Belladonna | 6 albums |
| Dan Spitz | 6 albums |
| John Bush | 4 albums |
| "Dimebag" Darrell Abbott | 3 albums |
| Rob Caggiano | 2 albums |
| Phil Anselmo | 1 album |
| Angelo Badalamenti | 1 album |
| Vincent Bell | 1 album |
| Alison Chesley | 1 album |
| Paul Crook | 1 album |
| Roger Daltrey | 1 album |
| Jon Donais | 1 album |
| Kenny Landrum | 1 album |
| Dan Lilker | 1 album |
| Norman "Terminator X" Rogers | 1 album |
| Mike Tempesta | 1 album |
| Zachary Throne | 1 album |
| Neil Turbin | 1 album |