| No Sangoma | Line Up : Mark O'Sullivan [Vocals], Ronnie Murdoch [Guitar], Martin Vallely [Bass
Guitar], Dave Barry [Drums] Active : 198x - 1990 |
| The Caroline Shout | Line Up : Mark O'Sullivan [Vocals], Liam O'Callaghan [Guitar], Ian Hendrick [Keyboards],
Humphrey Murphy [Bass Guitar], Dave Barry [Drums] Active : 1990 - TBC |
| Boolaboss | Line Up : Mark O'Sullivan [Instrumentation & Production], Walter Bäcklin [Instrumentation
& Production] Active : 1998 - 1998 |
| The Mighty Quark | Line Up : Mark O'Sullivan [Instrumentation & Production], Walter Bäcklin [Instrumentation
& Production] Active : 1999 - 2005 |
| Mark & John | Line Up : Mark O'Sullivan [Instrumentation & Production], John Dahlbäck [Instrumentation
& Production] Active : 2005 - TBC |
| DK7 | Line Up : Mark O'Sullivan [Vocals, Instrumentation & Production], Jesper Dahlbäck
[Instrumentation & Production] Active : 2002 -- |
| Mark O'Sullivan | Line Up : Mark O'Sullivan [Instrumentation & Production] Active : 2006 - |
