GOTO: ACT/Tandy Retail, ADAC Laboratories, AQA/Any Question Answered, Acorn, Acorn Computer Corporation, Boston US, Acorn International Maidenhead, Acorn RISC Machines (ARM), Acorn Research Centre, Palo Alto, US, Acorn Video, Acornsoft, Active Book Company, Activenture, Advance Technology, Advanced Micro Devices (AMD), Almarc Data Systems, Amstrad, Amstrad, Anamartic, AndroBot, Apple, Applied Computer Techniques (ACT), Arfon Micro, Atari (1975), Atari (1975), Atari (Warner Comms), Atari/Tramel Technology Ltd, Atarisoft, Axion Inc., BSR, Bango.com, Bondwell Holdings Ltd, British Micro, Bytec/Dynalogic/Gulfstream, CL9/Cloud 9, Cambridge Computer, Camputer Holdings PLC, Camputers, Canon, Ceedata, Comart, Commodore, Comp Shop, Compaq, Compudata/Tulip, Computer Education Service, Computer World, Computhink, Corona Data Systems, Cromemco, DIP, Data Technology, Digital Research, Dragon Data, E.B.Heath Aerial Vehicle Company, EACA/Lowe Electronics, ECC Publications, Elliott Automation, English Electric LEO, Enterprise/Elan, Eurohard, Exidy, Exidy, Exxon, Fairchild Semiconductor, Fairchildren, Ferranti, Flare Technology, Franklin, Fujitsu, GEC, GW Design Services, Gemini Micro, General Information Systems (GIS), General Instrument, Goldstar, Groupe Bull, Grundy, Heath Electronics, Heath/Schlumberger, Heathkit Computers, Hegotron Group, Hegotron Printed Circuits Ltd, Hi-Toro/Amiga, Homebrew Computer Club, IBM, ICL, IMSAI, ITT, Intel, Intelligent Software, Interface, Ithaca, Jupiter Cantab, Kyocera, LEO Computers Limited, Lucas Logic, MITS, MOS Technology, Marconi Limited, Mattel, Memotech, Meridian, Metalab, Microcomputer Application Assoc., Microsoft, Microtanic, Motorola, Nascom, Nascom International, National Enterprise Board, National Semiconductor, NeXT Inc., Newbury Data, North Star, Ohio Scientific, Olivetti, Olivetti, Orbis Ltd, Osborne, Osborne/McGraw Hill, PETSoft, Packard Bell, Pearcom, Planet Computers, PlayCable, Poqet, Prism Microproducts, Processor Technology, Product Launch, Psion, QL User, Qume, RAIR, RTS Technology, Radofin, Raspberry Pi Foundation, STC, SWTPC, Sanyo, Science of Cambridge/Sinclair Research, Shelton Instruments, Sinclair Browne Publishing, Sinclair Radionics, Sinclair Research Limited (SRL, 1986), Sinclair Vehicles, Sirius, Sord, SpectraVision/SpectraVideo, Symbian, TCL, TRW, Tandon, Tandy, Texas Instruments, TomTom, Torch, Torus Systems, Toshiba, Touchmaster, Tradecom International, Transam, Triumph Adler, Vector Graphic, Victor, Visions Software, Volkswagen, Wren Computers, XCalibur, Xerox/Xerox PARC, Yamaha, Zenith Data Systems, Zilog