Speakers:
Green Mountain Audio
Merlin Music
PBN Montana
GR Research
Cables:
Audio Magic
Marigo Audio
XLO
TARA Labs
Synergistic Research
MIT
Nordost
Luminous Audio Tech
CDP:
Wadia
Theta
Krell
Amps:
Krell
Modjeski Music Reference
TRL
Jolida (manuf in China, designed in USA)
Cary & AES
Dodd Audio
Audio Research
Green Mountain Audio
Merlin Music
PBN Montana
GR Research
Cables:
Audio Magic
Marigo Audio
XLO
TARA Labs
Synergistic Research
MIT
Nordost
Luminous Audio Tech
CDP:
Wadia
Theta
Krell
Amps:
Krell
Modjeski Music Reference
TRL
Jolida (manuf in China, designed in USA)
Cary & AES
Dodd Audio
Audio Research