Harman International
Harman Kardon
JBL
Soundcraft
AKG (company)
Lexicon (company)
Revel Audio
Mark Levinson Audio Systems
Crown International
A&R Cambridge Ltd
dbx (company)
Altec Lansing
LG Electronics
Loudspeaker manufacturer
infinityspeakers.com
Infinity Systems is an American manufacturer of loudspeakers founded in Los Angeles in 1968 and headquartered in Stamford, Connecticut. Wikipedia