Janis Joplin
Blondie
The Pretenders
The Donnas
The Breeders
Sleater-Kinney
the Eurythmics
X (at least half their songs are sung by Exene Cervenka)
Tina Turner
Aretha Franklin
Melissa Etheridge
The Indigo Girls
the Susie Arioli Band (great jazz band!)
Diana Krall
Norah Jones
and of course the notorious Amy Winehouse
My favs...
No Doubt
Metric
Yeah Yeah Yeahs
ABBA
The Carpenters
A lot of the ones you mention, including Janis Joplin, aren't bands though...
Heart
Fleetwood Mac
Benedictum
Nightwish
Joan Jett & The Blackhearts
The Letter Black
Flyleaf
Headpins
The Gits
Blondie!
'Nuff said!