Ah, yeah, and Flammer Dance Band are really good.

Here are some more you should check out:
Ævestaden
Benedikt
Frøkedal
Signe Marie Rustad
Hayde Bluegrass Orchestra
Sex Judas
Madrugada
Atomic
Farmers Market
The Real Thing
Sidsel Endresen
Kitchie Kitchie Ki Me O
Gluecifer
Hedvig Mollestad
Susanna
Anja Lauvdal
Marthe Lea
Fieh

A few, based on your list:
Elephant 9
Karin Krog/John Surman ‚Cloud Line Blue‘
Bjørn Torske
Motorpsycho
Jøkleba
Min Bul
Alf Emil Eik
Jenny Hval
Susanne Sundfør
Kvelertak
Serena-Maneesh
Mental Overdrive
Radka Toneff
Maja S K Ratkje
Supersilent
Deathprod
Biosphere
André Bratten
Kåre & the Cavemen