CD Euroxpress: Specializes in rare, collectible, and hard to fine progressive and psychedelic rock CDs and LPs from the 1960s to the present. Online and mailorder is available.
Doug Larson's Imports: Mailorder company specializing in rare and popular progressive CDs from the 1970s to the present.
Dream Disc: A great source for buying progressive metal. Includes sound clips so you can listen before you buy.
DURP - Tales from the Progressive Ocean: Progressive rock and metal reviews, news, interviews, CD shop, links, contests, and compilation CDs. In English and German.
Jungle CD: Progressive rock and metal mailorder.
Kinesis Records: Maryland label's online store selling CDs of their signed artists.
Magna Carta Records: Brief history of the progressive label, catalogue and reviews of their releases.
Mellow Records: Independent label featuring news, catalogue of releases, and CD ordering information.
Papabear Records: Progressive artist Tony Levin and Papabear Records share music, tour diaries, anecdotes. Also order CDs, and related merchandise online.
Pendragon USA: Online store offering a catalogue and ordering information.
Progress Records: Swedish label and distribution featuring CDs to order online.
Rare Prog: Rare progressive rock CDs and vinyl. Order by email.
Record Heaven: Large selection of progressive rock. Also has hardrock, symphonic rock and metal. CD and vinyl.
The Missing Piece: New and used records. Features catalog and extensive links page.