List of bands (26):

Sebastian Bach
Secret Discovery
Selias
Serpentry
Shadows Fall
Shepherds Reign
Shinedown
Siamese Smile
sic!
Sicksense
Silent Winter
Silly Goose
Sirenia
Six Feet Under
Six Foot Six
Skid Row
Skillet
Skindred
Slash f. M. Kennedy & The Conspirators
Slave Keeper