ME Sound
Amplifiers and pre-amplifiers that integrate zero loop feedback and near constant operating temperature technologies.
http://www.me-au.com

First Sound Audio
Manufacturer of solid state amplifiers and pre-amplifiers. USA.
http://www.firstsoundaudio.com/

Yorkville Sound
Privately owned Canadian manufacturer of loudspeakers, power amplifiers, and other professional sound equipment.
http://www.yorkville.com/

Marsh Sound Design
Manufacturer of home theater processors, multi channels, stereo, power amplifiers and pre-amplifiers with a distinctive design.
http://marshsounddesign.com/

Wright Sound Company
Tube point-to-point and hand-wired amplifiers and pre-amplifiers from Washington.
http://www.wright-sound.com/

AmpliVox Sound Systems
AmpliVox Sound Systems engineers manufactures and markets pa systems, portable pa systems, lecterns and podiums for presentations, meetings, training, seminars and conferences.
http://www.ampli.com

Matisse
Makes mono block and stereo amplifiers, pre-amplifiers, phono pre-amplifiers and cables.
http://www.signatureaudio.com/matisse.html

Advantech
Manufacturer of Solid State High Power Amplifiers (SSPA) and Low Noise Amplifiers (LNA) and associated redundancy equipment. Also manufactures broadband amplifiers and multiplexers.
http://www.advantech.ca/

Hollywood Sound Labs
Manufacturer of amplifiers, speakers and crossovers.
http://www.hollywoodsoundlabs.com/

Ultimate Sound
Manufacturers of loudspeakers, subwoofers and amplifiers. Canada.
http://www.ultimate-sound.com/