Most of these links have full or partial English translations, making this a great place to start searching.

Having to do with Recorded Music

Amigo: Founded in 1965; one of Sweden's first recording labels
Caprice Records: Specializes in re-issues of very old recordings
Drone Music: produces and sells CDs
Giga: Familiar red-cover folk music recordings
Hurv: Anders Rosén's label, produces & sells CDs, and Written Music
NorthSide: Nordic Roots Music (re-issues many Nordic records)
Leydon Grafix Films: Video recordings of Tradition Bearers.
RPM Music: Peter Puma Hedlund's and Rita Leydon's label
Tongång: Per Ulf Allmo's record label. (CD's and Books)
Xource Records: a Swedish label, mostly folk-rock.

Stores & Imports

Allegro Music: Sells independant music (and LPs!)
CDA: a Swedish record distributor
CDRoots: An ANA Partner
Norsk Ltd.: of Boulder, Colorado, imports CDs