B - COMPANIES
Bang & Olufsen, Becker, Belar, Bell & Howell, Bell Sound, Bell, Belsona, Bendix, Benjamin, BES, BGW, Biamp, BIC, Bigston, Black & Decker, Blaupunkt, Bogen, Bohsei, Boman, Bose, Bozak, Bradford, Brandt, Braun, British Leyland, Broadcast Electronics Inc, Broksonic, Browning Lab, BSR, Burhoe Acoustics

C - COMPANIES
C/M Labs, Califone, Calix, Canon, Capehart Dumont, Capitol, Carrera, Cartape, Carver, Casio, Catalina, Celestion, Cerwin Vega, Channel Master, Chevrolet, Chrysler, Cipher, Citizen, Claricon, Clarion, Cobra, Colortyme, Concertone, Concord, Consumer Reports, Continental Edison, Continental, Coral, Cordovox, Coronado, Courier, Coustic, Craftsmen, Craig, Cranwood, Crate, Crescent, Criterion, Crown Japan, Crown, Curtis Mathes

D - COMPANIES
Dahlquist, David Hafler, Daytron, db Audio, dbx, DCM, Delco, Delmonico, Denon, Direct TV, Discwasher, Ditton, Dokorder, Don McGohan Inc, Dorchester, Dual, Dumont, Dynaco, Dynatech

E - COMPANIES
Earth, Eico, Ekotape , ELAC, Electrobrand, Electro-Voice, Emerson, Empire , Encore, Epicure, Epiphone, Epson, Eric Electronic Corp, Esoteric, ESS

F - COMPANIES
Fannon, Fender, Ferrograph, Firestone, Fisher, FONS, Ford, Fostex, Frazier, Fujitsu Ten, Fultone, Funai, Furman Sound, Futaba

G - COMPANIES
Galaxy, Garrard, GAS, Gately Electronics, GE, Gemini, General Industries, General Motors, Genesis, Gibbs, Gibson, Glenburn, GLI, Go Video, Goldstar, Grado, Gran Prix, Granada, Granco, Grommes, Grundig

H - COMPANIES
Hafler, Hammond, Handic, Harmon Kardon, Harris, Heath, Hewlett Packard, HH Scott, Hi-Comp, HiFi Tape Recording, Hitachi, Holmes, Honda

I - COMPANIES
ICP, IMF Fried, Imperial, Infinity, Inland-Dynatronics, Integral Systems, Interaudio, Inter-Ego Systems, Irish, Isuzu

J - COMPANIES
Jamo, JBL, JC Penney, Jeep, Jennings Research, Jensen, Jet Sounds, JIL, John Deere, Johnson, Julliette, JVC

K - COMPANIES
Kelsey, Kent, Kenwood, KID Designs, Kingspoint, KLH, Klipsch, K-Mart, Knight, Korg, Korting, Koss, Kraco, Kurzweil, Kustom

L - COMPANIES
Lafayette, Lanier, Lasonic, Leak, Lear Jet, Lenco, Lenoxx, Lesa, Leslie, Lexington, Lincoln, Linear Power, Linn Sondek, Lloyds, Lo-D, Lucor, Luxman

M - COMPANIES
Macom, Madison Fielding, Maestro, Maestro, Magnavox, Magnecord, Magneplanar, Magnin, Magnum Opus, Majestic, Marantz, Marshall Wells, Marshall, Martel, Masco, Massey Ferguson, Masterwork, Maxell, Mayfair, Mazda, McGohan, McIntosh, MCM Electronics, McMartin, Mecca, Medallion, Megastar, MEI, Melco, Mercury, Meriton, Metz, Midland, Miida, Mikado, Miller & Kreisel, Milwaukee-Erwood, Mitsubishi, Monacor, Monarch, Monteverdi, Moog, Mopar, Morse, Mortel Electronics, Motorola, Multisonic, Multitech, Muntz, MX

N - COMPANIES
NAD, Nady, Nakamichi, NEC, NEI, Neptune, Nikko, Nissan, Nordmende, Norelco, Nova-Tech, Numark, Nutone

O - COMPANIES
Ohm, Oki, Olson, Olympic, Onkyo, Optonica, Orrtronics, Ortofon, Otari

P - COMPANIES
Pace, Packard Bell, Paco, Panasonic, Parasound, Park, PE, Pearlcorder, Peavey, Pentagon, Pentax, Pentron, Phase Linear, Philco, Philips, Phone-mate, Phonola, Pianola, Pickering, Pilot, Pioneer, Plymouth, Polk Audio, Pontiac, Porsche, Power Acoustik, Pro Line Electronics, Protech, Proton, PS Audio

Q COMPANIES
QSC Audio, Quasar

R - COMPANIES
Rabco, Radian Research, Radion, Radio-Shack, Ramsa, Randall, Rane, Ranger, RCA, RCA Victor, Readers Digest, Realistic, Realtone, Rek-O-Kut, Revere, Revox, RG Dynamics, Rheem Califone, Riverside, Roadstar, Roberts, Rockola, Roland, Rolecor, Ross, Rotel, Royce

S - COMPANIES
Saab, Saba, SAE, Sams Photofact, Sampo, Samsung, Sankyo, Sansui, Sanyo, Schober, Sears, Seiko, Sennheiser, Sentrek, Servolinear, Setton, Sharp, Sheffield Labs, Sherwood, Shure, Signet, Silvertone, Singer (Graflex), Sonus, Sony, Souncraftsman, Sound Technology, Soundesign, Soundstream, Sparkomatic, Spectro Acoustics, Spendor, SR, Standel, Stanton Vestax, Stenotape, Steremote, Stereosonic, Studer, Subaru, Sumo, Superscope, SWTP, Sylvania, Symphonic, Synergistics

T - COMPANIES
Talk-a-Phone, Tandberg, Tangent, Tapco, Targa, Tascam, TDK, Teac, Tec Trak, Technics, Techwood, Teknika, Telarc, Telectro, Telefunken, Teletalk, Telex Phonola, Telex, Telmar, Ten, Tenna, The Audible Difference, Thomas, Thorens, TMK, TOA Electronics, Toshiba, Totevision, Toyo, Toyomenka, Toyota, Tracker Premier, Transcriptors, Triumph, Truetone

U - COMPANIES
Uher, Ultrx, Unicord, Unisonic, United Audio, United Stereo Tape, Universal Tapedex, University Sound

V - COMPANIES
Vector Research, Velodyne, Video Concepts, Videotek, Viewlex, Viking, Vista, Vivitar, VM, VMPS, Volkswagen, Vox

W - COMPANIES
Waltham, Wayfarer, Webcor, Webster Chicago, Webster Chicago, Webster Electric, Welbilt, Welton, Westinghouse, Westport, White Electronics, White Motor Co, Wintec, Winthrop, Wollensak

X - COMPANIES
Xtal, Xylophile

Y - COMPANIES
Yamaha, York, Yorx

Z - COMPANIES
Zenith