We have listed some links which you may find relevant and useful.
APLAC – Asia Pacific Laboratory Accreditation Cooperation
APMP – Asia-Pacific Metrology Programme
BIPM – Bureau International des Poids et Mesures
Eurolab – European Federation of National Associations of Measurement, Testing and Analytical Laboratories
IEC – International Electrotechnical Commission
ILAC – International Laboratory Accreditation Cooperation
IMEKO – International Measurement Confederation
ISO – International Organisation for Standardization
NCSL – NCSL International
NMISA – National Metrology Institute – South Africa
NPL – National Physical Laboratory – UK
OIML – International Organisation of Legal Metrology
SABS – South African Bureau of Standards
SADC – SADC SQAM Expert Group
SANAS – South African National Accreditation System