The following States have registered as a members of TC6:

P-Members (28):

Australia, Austria, Belgium, Brazil, Bulgaria, Canada, Croatia, Cuba, Czech Republic, Denmark, Finland, France, Germany, Japan, Korea (R.), Netherlands, New Zealand, Norway, P.R. China, Poland, Russian Federation, Slovakia, Slovenia, South Africa, Sweden, Switzerland, United Kingdom, United States.

O-Members (9):

Cyprus, Egypt, Hungary, Indonesia, Ireland, Italy, Romania, Serbia, Spain.

The following organizations are in liaison with TC6:

CECIP, European Committee of Weighing Instruments Manufacturers,

CEN, European Committee for Standardization,

CODEX, Codex Alimentarius Commission,

FIVS, International Federation of Wines and Spirits,

IEC, International Electrotechnical Commission,

ISO, International Standardization Organization