A2LA - Accrediting Body

Asia-Pacific Metrology Program (APMP)

Bureau International des Poids et Mesures (BIPM)
Euro-Asian Cooperation of National Metrological Institutes (COOMET)
European Collaboration on Measurement Standards (EUROMET)
European Co-operation for Accreditation
Inter-American Metrology System (SIM)
International Earth Rotation Service
International Electrotechnical Commission
International Electrotechnical Commission (IEC)
International Journal of Metrology 
International Lab Accreditation Cooperation (ILAC)
International Organization of Legal Metrology (OIML)
International Society for Weighing Measure
International Standards Organization
International Tempature Scale of 1990
NCSL International (National Conference of Standards Laboratories)
Optical Metrology 2005 - Call for Papers - Conferences 
Pacific Accreditation Cooperation
South African Development Community Cooperation in Measurement Traceability (SADCMET)