1. Doors
2. Joni Mitchell
3. Dylan before he turned electric
4. Steppenwolf
5. Jefferson Airplane - the original with both Grace (she was the second lead female actually), Kantner and Balin.
6. Janis both with and without Big Brother
7. Hendrix
8. Moody Blues
9. Jeff Beck (he's still playin'!!)
10. Canned Heat
Great question! I can think of a bunch more. Richie Havens, Santana, Mose Alison, Charlie Musselwhite, Tens Years After, The Weavers, Simon & Garfunkle, Mamas & Papas, and on, and on...