::	American Association for Laboratory Accreditation (A2LA), USA
::	American National Standards Institute (ANSI)
::	American Society for Testing Materials (ASTM)
::	AOAC International
::	Asia Pacific Laboratory Accreditation Cooperation (APLAC)
::	Asia-Pacific Economic Cooperation (APEC)
::	Bhabha Atomic Research Centre (BARC), India
::	British Standards Institution (BSI)
::	Bureau of Indian Standards (BIS)
::	COFRAC, France
::	Co-Operation on International Traceability in Analytical Chemistry (CITAC)
::	DAR, Germany
::	Department of Science & Technology (DST), India
::	Dutch Council for Accreditation (RvA)
::	EURACHEM
::	EUROLAB
::	European Committee for Standardization (CEN)
::	European Cooperation for Accreditation (EA)
::	German Institute for Standardization (DIN)
::	Hong Kong Accreditation Scheme (HKAS)
::	InterAmerican Accreditation Cooperation (IAAC)
::	International Accreditation New Zealand (IANZ)
::	International Bureau of Weights and Measures (BIPM)
::	International Electrotechnical Commission (IEC)
::	International Laboratory Accreditation Co-operation (ILAC)
::	International Organization for Standardization (ISO)
::	International Organization of Legal Metrology (OIML)
::	Japan National Laboratory Accreditation (JNLA)
::	Joint accreditation system of Australia and New Zealand (JAS-ANZ)
::	National Analytical Reference Laboratory, Australia (NARL)
::	National Association for Proficiency Testing (NAPT)
::	National Association of Testing Authorities, Australia (NATA)
::	National Chemical Laboratory (NCL), India
::	National Institute of Standards and Technology (NIST)
::	National Physical Laboratory (NPL), India
::	National Voluntary Laboratory Accreditation Program (NVLAP)
::	Organisation for Economic Co-operation and Development (OECD)
::	Pacific Accreditation Cooperation (PAC)
::	Quality Council of India (QCI)
::	Singapore Accreditation Council (SAC-SINGLAS)
::	Standards Australia
::	Swedish Board for Accreditation and Conformity Assessment (SWEDAC)
::	Swiss Accreditation Service (SAS)
::	United Kingdom Accreditation Service (UKAS)
::	World Trade Organisation (WTO)