Proficiency Testing Organizations
NAPT — National Association for Proficiency Testing

International Accreditation Cooperation
ILAC — International Laboratory Accreditation Cooperation

Regional Accreditation Cooperations
APMP — Asian Pacific Metrology Programme
COOMET — Euro-Asian Cooperation of National Metrological Institutions
EURAMET — European Association of National Metrology Institutes
SIM — Inter-American Metrology System
AFRIMETS — Intra-Africa Metrology System

Accreditation Services
A2LA — American Association for Laboratory Accreditation
ANAB — ANSI-ASQ National Accreditation Board/ACLASS
IAS — International Accreditation Service
L-A-B — Laboratory Accreditation Bureau (U.S.)
NACLA — (U.S.) National Cooperation for Laboratory Accredition
NVLAP — National Voluntary Laboratory Accreditation Program
DOE Laboratory Accreditation Program — US Department of Energy
UKAS — United Kingdom Accreditation Service

International Standards Organizations
CIE — International Commission on Illumination
IAEA — International Atomic Energy Agency
IEC — International Electrotechnical Commision
ISO — The International Organization for Standardization
ITU — International Telecommunication Union

Metrology Conference Organizations
CMSC — Coordinate Metrology Systems Conference
IMEKO — International Measurement Confederation
MSC — Measurement Science Conference
NCSL — National Conference of Standards Laboratories
IMS — Israel Metrological Society

National / International Metrology Organizations
AIP — American Institute of Physics
AIST — Agency of Industrial Science and Technology (JAPAN)
ASQ — American Society for Quality
British Measurement and Testing Association
EUROCAL — European Calibration Association
IMEKO — International Measurement Confederation
International Society for Weighing and Measurements
MSA — Metrology Society of Australia
NCSL International
IMS — Israel Metrological Society

National Standards Bodies
Australia — SAA — Standards Australia
Austria — ON — Osterreich Normungsinstitut (Austrian Standards Institute)
Belgium — IBN/BIN — Belgian Institute of Normalization
Canada — SCC — Standards Council of Canada
Colombia —ICONTEC — Instituto Colombiano de Normas Tecnicas y Certificacion
Czech Republic — CSNI — Czech Institute of Normalization
Denmark — DS — Dansk Standard
Finland — SFS — Finnish Standards Association
France — AFNOR — Association française de normalisation
Germany — DIN — Deutsches Institut fur Normung
Greece — ELOT — Hellenic Organization for Standardization
Hong Kong — Hong Kong Laboratory Accreditation Scheme
Hungary — National Office of Measures
Ireland — NSAI — National Standards Authority of Ireland
Iceland — STRI — Icelandic Council for Standardization
Italy — UNI — Ente Nazionale Italiano di Unificazione
Japan — JISC — Japanese Industrial Standards Committee
Luxumbourg — SEE — Service de l’Energie de l’Etat
Malaysia — DSM — Department of Standards Malaysia
Morocco — SNIMA — Service de Normalisation Industrielle Marocaine
Netherlands – –NEN — Nederlands Normalisatie-instituut
New Zealand — SNZ — Standards New Zealand
Norway — NSF — Norges Standardiseringsforbund
Portugal — IPQ — Instituto PortuguÍs da Qualidade
Saudi Arabia — SASO — Saudi Arabian Standards Organization
Singapore — SAC-SINGLAS — Singapore Accreditation Council
Slovenia — SMIS — Standards and Metrology Institute
Spain — AENOR — Asociacion Espanola de Normalizacion y Certificacion
Sweden — SIS — Standardisaeringen i Sverige
Switzerland — SNV — Schweizerische Normen Vereinigung
United Kingdom — BSI — British Standards Institution
USA — ANSI — American National Standards Institute
USA NSSN — ANSI National Standards System Network

Standardizing Organizations
ASTM — The American Society for Testing and Materials
EIA — Electronic Industries Association
ISA — Instrument Society of America
OSA — Optical Society of America
SMPTE — Society of Motion Picture and Television Engineers
SPIE — The International Society for Optical Engineering
UL — Underwriters Laboratories

U.S. Government Metrology Sites
Defense Standardization Program (MIL-SPEC reform)
DOE Technical Standards
GIDEP — Government Industry Data Exchange Program
Navy Primary Standards Laboratory, San Diego
NIST — National Institute of Standards and Technology
NIST Boulder Facility
NIST Time and Frequency Division
NSWC — Naval Surface Warfare Center, Corona Division
Sandia National Laboratories
TMDE — Army Metrology Page

U.S. National Laboratories
ACL — Advanced Computing Laboratory
Ames Laboratory
ANL — Argonne National Laboratory
Brookhaven National Laboratory
EML — Environmental Measurements Laboratory
Fermilab — Fermi National Accelerator Laboratory
INEEL — Idaho National Engineering and Environmental Laboratory
LLNL — Lawrence Livermore National Laboratory
Los Alamos National Laboratory
National Biodynamics Laboratory
NERSC — National Energy Research Supercomputer Center
National Renewable Energy Laboratory
Oak Ridge National Laboratory
Pacific Northwest National Lab
Princeton Plasma Physics Lab
Sandia National Laboratories
Stanford Linear Accelerator Center
U.S. Department of Energy

World National Laboratories
Australia — CSIRO — Commonwealth Scientific and Industrial Research Organizations
Austria — BEV — Bundesamt fur Eich- und Vermessungswesen
Canada — INMS — NRC Institute for National Measurement Standards
Denmark — DFM — Danish Institute of Fundamental Metrology
Germany — PTB — Physikalsch-Technische Bundesanstalt (German, but English available)
Ireland — Irish National Metrology Laboratory
Japan — ETL — Electrotechnical Laboratory
Korea — KRISS — Korea Research Institute of Standards and Science
The Netherlands — VSL Dutch Metrology Institute
Saudi Arabia — SASO
Slovenia — SMIS — The Slovenian Standards and Metrology Institute
South Africa — NML — National Metrology Laboratory
Spain — CEM — The Spanish Center of Metrology
Sweden — SP — Swedish National Centre of Metrology
Switzerland — METAS — Federal Institute of Metrology
Turkey — TÜBİTAK Ulusal Metroloji Enstitüsü
United Kingdom — National Physical Laboratory

University & College Sites
Center for Precision Metrology –University of North Carolina
Coordinate Metrology and Measurement Laboratory — Ohio State University
Metrology Research Institute — Helsinki University of Technology
Measurement and Information Technology — Tampere University of Technology

Educational Institutions That Offer Metrology Programs or Classes

Additional Metrology Resource Sites
American Society for Engineering Education
CMM Metrology Forum — sponsored by Axis-Metrology
Directory of Organizations and Institutes Active in Environmental Monitoring
EOTC — European Organization for Testing and Certification
Hungarian Instrument Page — Metrology information and database of calibration laboratories.
Metrology Users Community — sponsored by Fluke Corporation for users of Fluke equipment and software.
NIST Research Library
ITS-90 — Temperature resources and information sponsored by Isotech, Ltd. UK.
Swedish National Testing and Research Institute
Valid Measurements — Information and articles on the Anderson Loop developed at NASA and related topics.