Altre ditte private (esclusi campi elettromagnetici)

• Grandi marche
  • Hewlett Packard
    • HP - casa madre
    • HP - EEsof
    • HP - Computer Systems-WebCat (Search: TradeUp)
    • HP - Interactive Application Notes
    • HP - Italia
  • IBM (vedi anche Ditte private nel settore PC)
  • Olivetti Group
  • Olivetti Personal Computer
  • Rank Xerox
  • OMEGA Engineering, Inc.
  • ESIS (Firenze)
• Edmund Scientific
  • Edmund: General Catalog
  • Edmund Scientific Company (Optics)
• Miscellanea
  • Cole-Parmer (Scientific Instrumentation)
  • Plexa
  • DOT Electronics USA
  • DOT Electronics UK
  • Compuserve
  • National Instruments
  • BBN Planet
  • TechOnLine
  • Enterprise Integration Technologies
  • Norad
  • InfoSeek
  • MCI
  • Spyglass, Inc.
  • Terisa System, Inc.