Accusound Pro Audio: Manufacturer and retailer of microphone, instrument and patch cables. Online order. USA.
AudioTech: Easily installed, home intercom and stereo sound systems. Suitable for new construction or older homes.
Brick Wall.: Manufacturer of surge protectors, includes explanation of technology's workings and advantages.
Bybee Technologies: Power and audio signal filtration from California; claims use of quantum/superconducting technology; partially designed by John Curl.
Crystal-acoustics: High-end audio accessories, silver interconnects, eichmann bullets and Naim DINs.
Digisette: Manufacturer of digital cassette which allows to download and listen to digital audiobooks, and MP3 music. USA.
Echo Busters: Acoustical room treatment panels, with an eye towards aesthetics.
Eighth Nerve: Manufacturers of cones, acoustic panels and power cords. Based in Nashville, Tennessee.
Eighth Nerve Acoustics: Manufacturer of acoustic panels. Australia.
Electra Glide: Manufacturer of power cords, interconnects, speaker cables and connectors made with foil and ribbon conductors. USA.
Everway: Specialized in producing digital voice recorder spy pens. China.
FT Audio: Manufacturers of passive control unit and remote control.
GrayWolf CD JukeBox: Remote control software program that allows control over a multidisc CD player with infrared.
Hanics: Manufacturer for multimedia accessories including micro speaker and receiver, microphones, and hands free earphones.
Ichikawa Jewel: Manufacturer of XLR and RCA connector, tonearm, cables and accessories. Japan.
Innovative Audio: Makes resonance-control components and furniture and loudspeakers accessories.
Jitter: German manufacturers of universal jitter attenuation device. Provides also information about jitter.
Klippel GmbH: German company specializing in measurement and control technology for loudspeaker measurement for speaker manufacturers.
Macro Installation Services: UK. Designs and manufactures PA systems and induction loops for deaf people. Includes information about products, services and organizes staff training programs.
Marigo Audio Lab: Cable-ware and tuning dots.
Michael Green Audio: Sound specialist and designer of speakers’ furniture and accessories. Provides discussion forum and industry news and reviews.
Milty: Makes sound isolation, connectors and cleaning solutions. UK.
Music Works: Design and supply power leads, blocks and tables for hi-fi music systems and home cinema equipment. UK.
Nempee: Audio acoustic consultant, software developer and manufacturer of loudspeaker drivers. India.
Nitty Gritty: Makes vinyl cleaning systems and accessories.
O. W. Donald Co.: Manufacturer of mobile TV antenna, audio and video cables, noise filters, and repeaters
P.W.B. Electronics: Peter Belt makes modifications to other people's electronics and sells accessories so to enable others to do the same.
Prefer Professional Audio Products: Manufacturer of professional audio and video products. Imports and export.
Puretone: Manufacturer of hearing aids and assistive listening devices. EN46002 Medical Devices Directorate.
Ringmat Developments: Circular mats go both under and over LPs.
RPG Diffusor Systems: Features physical room treatments, and software.
Shakti Innovations: Makers of Stones, passive add-ons, and also cable-ware.
Shun Mook: Offers Mpingo disks and other room-improvement devices.
Taiwan Carol Electronics Co. Ltd.: Taiwan. Manufactures a range of dynamic and multimedia microphones, such as wireless, supercardiode, reciting, CB, cable, mega phone, as well as speakers and power amps.
TWD Acoustic Products Ltd: Produce acoustic products and wireless projects for headphones.
UltraStat: Devices to eliminate user induced static discharges to audio equipment.
UpBeat Audio: Manufacturer a portable amplifier and splitter. USA.
Van Den Hul: Dutch maker famous for ultra-high-end audio cartridges and cabling.
VansEvers: US maker of cables and resonators, power conditioners, power cords for guitar and home audio. Provides support, reviews and comments.
ViaBlue: Manufacturer of cables, plugs, spikes and accessories. Germany.
Vivid Audio: Makes and design gold, silver and cotton audio cables.
Voice Minder: Manufacturers of a portable walkman personal amplification system adaptable for indoor and outdoor.
Wattgate: Kimber Kable outlets and plugs.
ZCable: Loudspeaker, interconnect cables, loudspeaker cables, power cables and headphone cables.
Zero Impedance: Add-on devices such as toroidal autoformer that have the ability to multiply a speakers impedance by 2x, 3x, or 4x.
Zon Audio: Manufacturers of audio distribution devices such as multi-source, multi-zone inputs and outputs sound distributors.