Important organisations to put some order to computer networks and data communications:

• IEC – International Electrotechnical Commission
• ITU – International Telecommunication Union
• EIA – Electronic Industries Association
• TIA – Telecommunications Industry Association
• IETF – Internet Engineering Task Force
• IEEE – Institute of Electrical and Electronic Engineers
• ISO – International Organisations for Standardisation
• NIST – National institutes of Standards and Technology
• IBM – International Business Machines