Состав группы был очень непостоянный. Он имел свойство менятся в периоды от года до нескольких месяцев. Лишь один участник был постоянным, бессменный лидер коллектива Грег Джинн.

• Keith Morris - vocals

• Greg Ginn - guitar

• Raymond Pettibon - bass guitar

• David Horvitz - drums

• Spot (replaced Raymond Pettibon) - bass guitar

• Chuck Dukowski (replaced Spot) - bass guitar

• Brian Migdol (replaced David Horvitz) - drums

• ROBO (replaced Brian Migdol) - drums

• Ron Reyes (replaced Keith Morris) - vocals

• Dez Cadena (replaced Ron Reyes) - vocals

• Henry Rollins (replaced Dez Cadena) - vocals

• Dez Cadena - rhythm guitar

• Emil Johnson (replaced ROBO) - drums

• Chuck Biscuits (replaced Emil Johnson) - drums

• Bill Stevenson (replaced Chuck Biscuits) - drums

• Dez Cadena left the band

• Henry Rollins - vocals

• Greg Ginn - guitar, bass guitar

• Bill Stevenson - drums

• Kira Roessler - (replaced Chuck Dukowski) - bass guitar

• Anthony Martinez (replaced Bill Stevensons) - drums

• C'el Revuelta (replaced Kira Roessler) - bass guitar

• Dez Cadena - vocals, rhythm guitar

• Greg Ginn - guitar

• C'el Revuelta - bass guitar

• ROBO - drums