What are your top 5 jam bands and why?

For me:

1.Grateful Dead 2. Goose 3. Eggy 4. Lotus 5. Spafford

Honorable mention: Donato

Grew up loving the Dead, Goose aka ‘crescendo Gods’ and Eggy are fast rising.

Edit: Amazing responses and lists! I'm going to give Phish another listen, and Biscuits(who i used to listen to). Forgot to mention, honorable mention 2: Klangphonics!