Acreditação é o reconhecimento formal por um organismo independente especializado em normas técnicas daquele setor de que uma instituição atende a requisitos previamente definidos e demonstra ser competente para realizar suas atividades com segurança.
A Coordenação Geral de Acreditação do Inmetro (Cgcre) é o organismo de acreditação de organismos de avaliação da conformidade reconhecido pelo Governo Brasileiro. A Cgcre é, portanto, dentro da estrutura organizacional do Inmetro, a unidade organizacional principal que tem total responsabilidade e autoridade sobre todos os aspectos referentes à acreditação, incluindo as decisões de acreditação.
A2LA : American Association for Laboratory Accreditation AA : Akkreditierung Austria (Accreditation Austria)
ACCREDIA: Italian Accreditation Body
ANAB : American National Standards Institute - American Society for Quality National Accreditation Board LLC
ANSI : American National Standards Institute
ATS : Accreditation Body of Serbia (ATS)
BoA : Bureau of Accreditation (Vietnam)
BELAC : Belgian Accreditation Structure
BSCA : Belarusian State Centre for Accreditation
CAI : Czech Accreditation Institute (Český institut pro akreditaci, o.p.s.)
CGCRE : General Coordination for Accreditation (Brazil)
CNAS : China National Accreditation Service for Conformity Assessment
COFRAC : Comite Francais d'Accreditation (France)
DAC : Dubai Accreditation Center (United Arab Emirates)
DANAK : Danish Accreditation
DAK : Kosovo Accreditation Directorate (under the UNSC Resolution 1244/1999)
DAkkS : German Accreditation
DPA : General Directorate of Accreditation (Albania)
DSM : Standards Malaysia
EA-BAS : Executive Agency - Bulgarian Accreditation Service
ECA: Costa Rican Accreditation Entity
EGAC : Egyptian Accreditation Council
EMA : Mexican Accreditation Entity, (Entidad Mexicana de Acreditacion)
ENAC : Entidad Nacional de Acreditacion (Spain)
ENAO : Ethiopia National Accreditation Office (Ethiopia)
ESYD : Hellenic Accreditation System S.A. (Greece)
FINAS : Finnish Accreditation Service
GAC : Gulf Cooperation Council Accreditation Center
HKAS : Hong Kong Accreditation Service
IAJapan : International Accreditation Japan
IARM : Institute for Accreditation of the Republic of Macedonia
IAS : International Accreditation Service (USA)
INAB : Irish National Accreditation Board
INACAL-DA : National Institute of Quality – Directorate of Accreditation
INN : Instituto Nacional de Normalizacion (Chile)
IOAS : IOAS Inc.
IPAC : Portuguese Institute for Accreditation
ISMS-AC : ISMS Accreditation Center
JAB : Japan Accreditation Board
JAS-ANZ : Joint Accreditation System of Australia and New Zealand
JASC : Japan Accreditation System for Product Certification Bodies of JIS Mark
KAB : Korea Accreditation Board
KAN : National Accreditiation Body of Indonesia (Komite Akreditasi Nasional)
KAS : Korea Accreditation System
KENAS : Kenya Accreditation Service
MAURITAS : Mauritias Accreditation Service
NA : Norwegian Accreditation
NAA : National Accreditation Association of DPR Korea
NAAU : National Accreditation Agency of Ukraine
NABCB : National Accreditation Board for Certification Bodies (India)
NABET : National Accreditation Board for Education and Training (India)
NACI : National Accreditation Center of Iran
NAH : National Accreditation Authority (Hungary)
NCA : National Center of Accreditation (Kazakhstan)
NIER : National Institute of Environmental Research (Korea)
NSC : National Standardization Council of Thailand
OAA : Organismo Argentino de Acreditacion (Argentina)
OLAS : Luxembourg Office of Accreditation
ONAC : Colombia National Accreditation Body
OUA : Organismo Uruguayo de Acreditacion
PAB : Philippine Accreditation Bureau
PCA : Polish Centre for Accreditation
PNAC : Pakistan National Accreditation Council
RENAR : Romanian Accreditation Association (Asociatia de Acreditare din Romania)
RvA : Dutch Accreditation Council (Raad Voor Accreditatie)
SA : Slovenska Akreditacija (Slovenia)
SAC : Singapore Accreditation Council
SADCAS: Southern African Development Community Accreditation Service
SAE : Ecuadorian Accreditation Service (Servicio de Acreditación Ecuatoriano)
SANAS : South African National Accreditation System
SAS : State Secretariat for Economic Affairs (SECO), Swiss Accreditation Service
SCC : Standards Council of Canada
SEMAC : Moroccan Accreditation Service
SLAB : Sri Lanka Accreditation Board for Conformity Assessment
SNAS : Slovak National Accreditation Service (Slovakia)
STC-IS : Scientific Technical Centre on Industrial Safety (Russian Federation)
SWEDAC : Swedish Board for Accreditation and Conformity Assessment
TAF : Taiwan Accreditation Foundation (Chinese Taipei)
TUNAC : Tunisian Accreditation Council (Conseil National d'Accreditation, CNA)
TURKAK : Turkish Accreditation Agency
UAF : United Accreditation Foundation
UKAS : United Kingdom Accreditation Service
Nota: DAK, DPA, EA-BAS e NABET estão atualmente em exercício condicional até 31 de março de 2018 por não cumprimento das obrigações de voto.