Hard facts

Calibration and standards

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  • Headquarters in Geneva
  • 165 members (full/corresponding members)
  • More than 20,400 standards in the programme
  • Sub-division of the specialist areas into Technical Committees, there are 238 TCs (521 SCs)

– ISO/TC 1 Screw threads,

– ISO/TC 58 Gas cylinders,

– ISO/TC 164 Mechanical testing of metals

  • In the Technical Committees there are:

– Participating members, and

– Observing members

  • The technical work is performed by experts (100,000) in working groups.

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International Organisation for Standardisation (ISO)