PPMusic
Organizes concerts and produces recordings. Specializing in Italian baroque, with Italian musicians.
http://www.ppmusic.com/

Pro Piano Records
Classical piano concerts, management, and recording.
http://propiano.com/

Prodigital Records
Independent label specializing in unusual repertoire, including premiere recordings. Online catalog and ordering.
http://www.prodigitalrecords.com/

Phoenix USA
Emphasis on Classical music of the 20th and 21st Century. Features online catalog with reviews, and online sales.
http://www.phoenixcd.com/

Parnassus Records
Used, rare, out-of-print and deleted CDs and records.
http://www.parnassusrecords.com/