A - COMPANIES
AB International, AB Systems, Accuphase, ACE R/C Inc, Acoustat, Acoustic, Acoustic Control Corp, Acoustic Dynamics, Acoustic Research, ADC, Adcom, Admiral, ADS, Advent, Afco Electronics, AGS, Aiko, AIMS, Air Cheif, Air Castle, Airline, Air-O-Ear, Aiwa, Akai, Alaron, Alexander's, Allied, Allied Radio, Allison, Alpine, Altec, Acoustics, Allstate, Alpine/Luxman, Ambassador, AMC (American Motors), Amcron, Amelux, Ampeg, Ampex, Ampro, Apple, Apt Holman, ARA, Archer, Argos, Arkay, Arrakis, Arthur Fulmer, Arvin, Astra, Astrocom Marlux, Audi, Audimation, Audio Control, Audio Design, Audio Dynamics Corp, Audio Reflex, Audio Research, Audio-Technica, Audiometric, Audiotronics, Auto-sonic, Automatic Radio, Autostereo, Autotek, Avanti, Aventura, Avid

B - COMPANIES
Bang and Olufsen, Becker, Beckman Industrial, BEI, Belar, Bell Sound, Belsona, Bendix, Benjamin, Benjamin Electronic Sound Corp, Benjamin Electroproducts Inc, Benjamin Electronic Sound Corp, Bertagni, BES, Bell and Howell, B.E.S.T., BGW, BIC, Bib, Bigston, Black and Decker, Blaupunkt, Bogen, Bohsei, Boman, Bosch, Bose, Boss, Bozak, Bradford, Brandt, Braun, Brewmatic, Bravia, British Leyland, Broadcast Electronics Inc, Broadmoor, Broksonic, Browning Lab, BSR, Burhoe Acoustics

C - COMPANIES
Califone, Calix, Canadian Admiral, Canon, Capehart Dumont, Capital, Carrera, Cartape, Carver, Casio, Catalina, CDE, Celestion, Centrex, Cerwin Vega, Channel Master, Chatham Electronics, Chevrolet, Chicago Musical Instrument Company, Chrysler, CI, Cipher, Citizen, Claricon, Clarion, Clairtone, Clark & Smith, C/M Labs, Cobra, Colortyme, Commodore, Computer (Generic), Concept, Concert Hall, Concertone, Concord, Consumer Reports, Continental, Continental Edison, Coral, Cordovox, Coronado, Courier, Coustic, Craig, Craig Panorama, Craftsmen, Cranwood, Crate, Criterion, Crosley, Crown, Crown Japan, Curtis Mathes

D - COMPANIES
Dahlquist, Dallas Music Industries, David Hafler, Daytron, db Audio, dbx, DCM, Decca, Delco, Delmonico, DeltaLab, Delta Lab Research, Denon, Direct TV, DiscoVision Associates, Discwasher, Ditton, DMI, Dodge, Don McGohan, Dorchester, Dual, Dukane, Dumont, Dyna-Empire Inc, Dynaco, Dynatech

E - COMPANIES
Earth, Echoplex, Eddystone Radio, EIA, Eico, Ekotape, ELAC, Electra, Electro-Voice, Electroacoustic GMBH, Electrobrand, Electrohome, Electrophonic, Elgin, ELPA Marketing, Emerson, Empire, Encore, Epicure, Epiphone, Epson, Eric Electronic, Esoteric Sound, ESS, ETI Canada, Excelia

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

G - COMPANIES
Galaxy, Garrard, GAS (Great American Sound), Gately Electronics, GE (General Electric), Gemini, General Electric, General Industries, General Motors, Genesis, Gibbs, Gibson, Globe, Glenburn, GLI, GM (General Motors, Delco, Pontiac, Chevrolet, Buick, Oldsmobile, Cadillac), Go Video, Grado, Graflex, Granada, Granco, Gran Prix, Great American Sound Company, Grommes Precision, Grundig (Grundig Majestic), GTVR (Granada TV Rental)

H - COMPANIES
Hafler, Hallicrafters, Hammond, Handic, Harmon Kardon (H-K), Harris, Heath, Heathkit, Hewlett Packard, HH Scott, Hi-Comp, HiFi Tape Recording, Hitachi, Hohner, Holmes, Honda, Howard

I - COMPANIES
ICP, IMF Fried, Imperial, Infinity, Inland-Dynatronics, Integral Systems, Interaudio, Inter-Ego Systems, International Music Corporation, International Radio and Electronics Corp, International Sound Company, Irish, Isuzu

J - COMPANIES
Jamo, JBL, JC Penney, Jeep, Jennings Research, Jensen, Jerold, Jet Sounds, JIL, John Deere, Johnson, Juliette, JVC (Japan Victor Company)

K - L - COMPANIES
Kay-Townes, Kelsey, Kensonic Labs, Kent, Kenwood, KID Designs, Kingspoint, KLH, Klipsch, K-Mart, KMC, Knight (Knight Kit, Allied Radio), Korg, Korting, Koss, Kraco, K.T.O. International, Kurzweil, Kustom, Kyocera, Lafayette, Lanier, Lasonic, Lear Jet, Leak, Lenco, Lennoxx, Lesa, Leslie, Lexington, Lincoln, Linear Power, Linn Sondek, Lloyds, Lo-D, LRE, Lucor, Luxman

M - COMPANIES
M&K Inc, Macom, Madison Fielding, Maestro, Maestro Echoplex, Magnavox, Magnecord, Magneplanar, Magnin, Magnum Opus, Marantz, Mark Simpson Manufacturing Company, Marshall, Marshall Wells, Martel, Masco, Massey Ferguson, Masterwork, Matsushita, Maxell, Mayfair, Mazda, MCA DiscoVision, McDonald, McGohan, McIntosh, McMartin, MCM Electronics, MCS, Mecca, Medallion, Megastar, MEI, Melco, Mecury, Meriton, Metron, Metz, MGA, MGA Mitsubishi, MGN Technology, Midland, Miida, Mikado, Miller & Kreisel, Milwaukee-Erwood, Miracord, Mitsubishi, Monacor, Monarch, Monteverdi, Moog, Mopar, Morse, Morse Electrophonic, Mortel Electronics, Motorola, Multicore Solders, Multisonic, Multitech, Muntz, Muntz Stereo, MX

N - O - COMPANIES
NAD (NAD Electronics), Nady, Nakamichi (NAK), NAP (North American Philips), National, National Panasonic, National Technics, NEC (NEC Corporation, Nippon Electic Company), NEI (Neptune Electronics Inc), Newcomb, Nikko, Nippon Victor of Japan, Nissan, NIVICO, Nordmende, Norelco (North American Philips), Nova-Tech, Numark, Nutone, Oberheim, Octek Mainboard, Ohm, OKI, Olson, Olympic, Onkyo, Optimus, Optonica, Ortofon, Orrtronics, Otari

P - COMPANIES
Pace, Pacific Concept, Packard Bell, Paco, Panasonic, Pan Tec, Panorama Electronics, Parasound, Park, Pathé-Marconi, PE (Perpetuum-Ebner), Pearlcorder, Peavey, Penncrest, Penney, Pentagon, Pentax, Pentron, Phase Linear, Philco, Philco Ford, Philips, Phone-mate, Phonola, Phono Trix, Pianola, Pickering, Pilot, Pioneer, Plymouth, Polk Audio, Pontiac, Porsche, Power Acoustik, Precision Electronics, Project/One, Pro Line Electronics, Protech, Proton, PS Audio

Q - R - COMPANIES
QSC Audio, Quasar, Rabco, Radian Research, Radio Shack, Radion, R. A. Moog Co, RCA (Radio Corporation of America), Ramsa, Randall, Rane, Ranger, Raytheon, RCA Victor, Readers Digest, Realistic, Realtone, Recordio, Reelest, Rek-O-Kut, Revere, Revere-Wollensak, Revox, RG Dynamics, Rheem Califone, Rhodes, Rhodes Keyboard Instruments, Riverside, Roadstar, Robert Bosch Corporation, Roberts, Rockola, Roland, Rolecor, Ross, Ross Systems, Rotel, Royce

S - COMPANIES
Saab, Saba, SAE, Sampo, Sams Photofact, Samsung, Sankyo, Sansui, Sanwa, Sanyo, Sargen-Rayment, Schaum, Schober, Scott, Sears, Sears Silvertone, Seiko, Sencore, Sennheiser, Sentrek, Servolinear, Setton, SG, Sharp, Sheffield Labs, Sherwood, Shugart, Shure, Signet, Silver Marshall, Silvertone, Singer (Graflex), Sonus, Sony, Sound Technology, Soundsdesign, Soundstream, Stereosonic, Sparkomatic, Spectro Acoustics, Spendor, SR, Standel, Stanton Vestax, Stenotape, Steremote, StereoTech, Studer, Subaru, Sumo, Superscope, SWTP, Supra, Sylvania, Symphonic, Synergistics

T - COMPANIES
Talk-a-Phone, Tandberg (Tandberg Radio), Tandy, Tangent (Tangent Systems), Tapco, Tappan, Targa, Tascam, Tatung, TDK, Teac, Technical Audio Products Corp, Technics, Techwood, Tec Trak, Teknika, Telarc, Telecorder, Telectro, Teledune, Teledyne Acoustic Research, Telefunken, Telematic, Telematic, Teletalk, Televideo, Telex, Telex Phonola, Telmar, Ten, Tenna, Texas Instruments, The Audible Difference, The Great American Sound Company, Thomas, Thorens, TMK, TOA Electronics, Toshiba, Totevision, Tour Sound, Toyo, Toyomenka, Toyota, Tracker Premier, Transcriptors, Trio, Triumph, Truetone

U - V - COMPANIES
Uher, Ultrx, Unicord, Unisonic, Uni-Sync, United Audio, United Stereo Tapes, Universal Tapedex, University Sound, Vector-Research, Velodyne (Velodyne Acoustics), Victor, Victor Company of Japan, Video Concepts, Videotek, Viewlex, Viking (Viking of Minneapolis), Vista, Vivitar, Viz, VM (V-M, Voice of Music), VMPS, Volkswagen, Vox

W - X - Y - Z - COMPANIES
Waltham, Wards, Wards Airline, Wayfarer, Webcor, Webster (Webster-Chicago, Webster Electric), Welbilt, Wells Gardner, Welton, Western Auto, Westinghouse, Westport, White Electronics, Whirlpool, White Motor Co, Wingard, Wintec, Winthrop, Wollnesak, Xam, Xtal, Xtra, Xylophile, Yamaha, York, Yorkville Sound, Yorx, Zayre, Zenith