Harman International
Harman Kardon
Infinity Systems
Mark Levinson Audio Systems
Soundcraft
JBL
AKG (company)
A&R Cambridge Ltd
dbx (company)
AMX LLC
Revel Audio
Crown International
Solid State Logic
Audio equipment manufacturer
lexicon.com
Lexicon is an American company that engineers, manufactures, and markets audio equipment as a brand of Harman International Industries. Wikipedia