| Albania | DA | Drejoria e Pergjithshme e Akreditimit |
| Algeria | ALGERAC | Algerian Organisation of Accreditation |
| Argentina | OAA | Organismo Argentino de Acreditacion |
Australia
| APLAC
NATA | Asia Pacific Laboratory Accreditation Cooperation National Association of Testing Authorities |
Austria
| BMWA
| Bundesministerium für Wirtschaft, Familie und Jugend |
| Bangladesh | BAB | Bangladesh Accreditation Board |
Barbados
| CROSQ
| CARICOM Regional Organisation for Standards and Quality |
| Belarus | Gosstandart | State Committee for Standardization |
Belgium
| BELAC CEOC | Belgian Accreditation Body CEOC International |
Bosnia and Herzegovina | BATA
| Institute for Accreditation of Bosnia and Herzegovina |
Botswana
| SADCAS
| Southern African Development Community Accreditation Service |
Brazil
| CGCRE/ INMETRO | Coordenação Geral de Acreditação
|
Canada
| CALA
SCC QMP-LS | Canadian Association for Laboratory
Accreditation Inc. Standards Council of Canada Quality Management Program – Laboratory Services |
| Chile | INN | Instituto Nacional De Normalizacion |
| China, Hong Kong | HKAS | Hong Kong Accreditation Service |
China, People's Republic of China | CNAS
| China National Accreditation Service for Conformity Assessment |
China, Hong Kong
| HKTIC
| Hong Kong Association for Testing, Inspection and Certification Limited |
Colombia
| ONAC
| Organismo Nacional de Acreditacion de Colombia |
| Costa Rica | ECA | Ente Costarricense de Acreditacion |
Croatia (Hrvatska)
| HAA CROLAB HMD | Croatian Accreditation Agency Croatian Laboratories Croatian Metrology Society |
| Cuba | ONARC | National Accreditation Body of Republica de Cuba |
Cyprus
| CYS
| Cyprus Organisation for the Promotion of Quality (CYS) – Cyprus Accreditation Body (CYSAB) |
| Czech Republic | CAI | Czech Accreditation Institute |
| Denmark | DANAK | Danish Accreditation |
| Egypt | EGAC | Egyptian Accreditation Council |
| Ecuador | OAE | Organismo de Acreditación Ecuatoriano |
| El Salvador | NCST | National Council of Science and Technology |
| Finland | FINAS | Finnish Accreditation Service |
| France | EA COFRAC EUROLAB
| European co-operation for Accreditation Comite Francais d’Accreditation
European Federation of National Associations of Measurement, Testing and Analytical Laboratories |
| Georgia | GAC | Georgiana Center for Accreditation |
Germany
| DAkkS
| Deutsche Akkreditierungsstelle GmbH [DAkkS was formed from a merger of DKD and DGA]. |
Greece
| ESYD EURACHEM | Hellenic Accreditation System S.A. EURACHEM |
| Guatemala | OGA | Oficina Guatemalteca de Acreditacion |
| Hungary | NAT | Hungarian Accreditation Board |
India
| NABL
APP | National Accreditation Board for Testing & Calibration Laboratories Association of Practising Pathologists |
| Indonesia | KAN | National Accreditation Body of Indonesia |
| Iran (Islamic Rep) | IAS | Iran Accreditation System |
| Ireland | INAB | Irish National Accreditation Board |
Israel
| ISRAC CITAC
| Israel Laboratory Accreditation Authority Co-operation on International Traceability in Analytical Chemistry |
| Italy | ACCREDIA COPA ALP
| Sistema Italiano di Accreditamento Consorzio Pubblico per l'Accreditamento
Association of Independent Test Laboratories and Certification Bodies |
| Jamaica | JANAAC | Jamaica National Agency for Accreditation |
| Japan | IAJapan JAB
VLAC
JLA | International Accreditation Japan The Japan Accreditation Board for Conformity Assessment
Voluntary EMC Laboratory Accreditation Center INC.
|
Jordan
| JISM
| Jordanian Accreditation Unit, Jordan Institution for Standards & Metrology |
| Kazakhstan | NCA | National Centre of Accreditation |
| Kenya | KENAS | Kenya Accreditation Service |
| Korea, Republic Of | KOLAS | Korea Laboratory Accreditation Scheme |
| Kosovo, Republic of | KOSOVO | Kosovo Accreditation Directorate (DAK), Kosovo |
| Kyrgyzstan | KAC | Kyrgyz Accreditation Center |
Libya
| LNCSM
| Libyan National Centre for Standardization and Metrology |
Luxembourg
| OLAS
| Office Luxembourgeois d’Accreditation et de Surveillance |
Malaysia
| STANDARDS MALAYSIA | Department of Standards Malaysia
|
| Mauritius | MAURITAS | Mauritius Accreditation Service |
Mexico
| IAAC EMA | Interamerican Accreditation Cooperation Entidad Mexicana de Acreditación |
| Moldova, Rep | CAECP | Center of Accreditation in the field of Conformity Assessment of Products |
Mongolia
| MASM
MNCCI
| Mongolian Agency for Standardization and Metrology Mongolian National Chamber of
Commerce and Industry |
| Montenegro | ATCG | Accreditation Body of Montenegro |
| Morocco | MCA | Moroccan Committee of Accreditation |
Netherlands
| RvA ENFSI
| Raad voor Accreditatie European Network of Forensic Science Institute |
| New Zealand | IANZ | International Accreditation New Zealand |
Norway
| NA NICe | Norsk Akkreditering Nordic Innovation Centre |
| Pakistan | PNAC | Pakistan National Accreditation Council |
Papua New Guinea
| PNGLAS
| Papua New Guinea Laboratory Accreditation Scheme |
Peru
| INDECOPI
| National Institute for the Defense of Competition and for the Protection of Intellectual Property |
| Philippines | PAO | Philippine Accreditation Office |
| Poland | PCA | Polish Centre for Accreditation |
| Portugal | IPAC | Instituto Português de Acreditacao |
| Romania | RENAR | Romanian Accreditation Association |
| Russian Federation | AAC Analitica | Association of Analytical Centers “Analitica" |
Saudi Arabia, Kingdom of | SASO
| Saudi Arabian Standards Organisation
|
| Serbia | ATS | Accreditation Board of Serbia |
| Singapore | SAC | Singapore Accreditation Council |
Slovakia (Slovak Republic) | SNAS
| Slovak National Accreditation Service
|
| Slovenia | SA | Slovenian Accreditation |
| South Africa | SADCA
SANAS NLA
PPD | Southern African Development Community in Accreditation
South African National Accreditation System National Laboratory Association of South Africa PPD |
| Spain | ENAC | Entidad Nacional de Acreditacion |
| Sri Lanka | SLAB | Sri Lanka Accreditation Board for Conformity Assessment |
Sweden
| SWEDAC
| Swedish Board for Accreditation and Conformity Assessment |
Switzerland
| SAS IAAO | Swiss Accreditation Service International Association of Assay Offices |
| Chinese Taipei | TAF | Taiwan Accreditation Foundation |
| The former Yugoslav Republic of Macedonia | IARM
| the Accreditiation Institute of the former Yugoslav Republic of Macedonia |
Thailand
| BLA-DSS BLQS-DMSc NSC-ONAC
| Bureau of Laboratory Accreditation The Bureau of Laboratory Quality Standards
National Standardization Council of Thailand - Office of the |
| Trinidad & Tobago | TTBS | Trinidad & Tobago Bureau of Standards |
| Tunisia | TUNAC | Tunisian Accreditation Council |
| Turkey | TURKAK | Turkish Accreditation Agency |
| Ukraine | NAAU | National Accreditation Agency of Ukraine |
United Arab Emirates
| DAC
ENAS | Dubai Municipality – Accreditation Department ESMA - Accreditation Department (ENAS) |
United Kingdom
| UKAS IFIA | United Kingdom Accreditation Service International Federation of Inspection Agencies |
United States of America | A2LA ACLASS ASCLD/LAB IAS L-A-B NVLAP
PJLA AIHA-LAP
CAP FQS
ACIL
AOAC
CLSI NCSLI
UILI
WQA |
American Association for Lab Accreditation
International Accreditation Service, Inc Laboratory Accreditation Bureau
National Voluntary Laboratory Accreditation Program Perry Johnson Laboratory Accreditation, Inc LLCAIHA Laboratory Accreditation Programs, (AIHA-LAP), LLC
College of American Pathologists Forensic Quality Services, Inc American Council of Independent Laboratories International Association of Official Analytical Chemists
Clinical and Laboratory Standards Institute National Conference of Standards Laboratories International Union Internationale des Laboratoires Indépendants
Water Quality Association |
| Uruguay | OUA | Organismo Uruguayo De Acreditación |
Uzbekistan
| UZSTANDARD
| The Agency for Standardization, Metrology and Certification of Uzbekistan |
| Vietnam | BoA | Bureau of Accreditation |
Zimbabwe
| NLAZ
| National Laboratories Association of Zimbabwe |