| AGROVOC |
FAO of the United Nations |
International |
Agriculture
|
open
|
69.0
Modernizing
|
| ATC Classification (Anatomical Therapeutic Chemical) |
WHO Collaborating Centre for Drug Statistics Methodology |
— |
Pharma
|
spec sold
|
—
|
| Basel Convention waste codes |
Basel Convention Secretariat / UNEP |
— |
Waste
|
—
|
—
|
| CAIP (Chain Agnostic Improvement Proposals) |
Chain Agnostic Standards Alliance |
— |
Crypto
|
—
|
—
|
| CDF / InChI / MOL / SMILES chemical identifiers |
IUPAC / Daylight |
— |
Chemistry
|
open
|
71.2
Modernizing
|
| COICOP / CPC / HS product classifications |
UN Statistics Division |
International
United States |
Statistics
|
open
|
—
|
| CPT and HCPCS (Current Procedural Terminology) |
American Medical Association / CMS |
United States
national body |
Healthcare
|
licence
|
—
|
| CUSIP / SEDOL |
CUSIP Global Services / LSEG |
International |
Finance
|
licence
|
—
|
| Cellosaurus |
SIB Swiss Institute of Bioinformatics |
Switzerland |
Medical Biotechnology
|
spec sold
|
49.2
Legacy
|
| DTI (Digital Token Identifier) ISO 24165 |
DTIF / ANNA |
International
Belgium |
Crypto
|
—
|
—
|
| Dewey Decimal Classification (DDC) |
OCLC |
International
United States |
Library
|
licence
|
38.0
Legacy
|
| ECLASS |
ECLASS e.V. |
— |
Manufacturing
|
licence
|
—
|
| ECLI (European Case Law Identifier) |
European Commission / Council of the EU |
European Union
Belgium |
Legal
|
open
|
—
|
| EIDR |
Entertainment Identifier Registry Association |
— |
Media
|
—
|
—
|
| EU Taxonomy for sustainable activities |
European Commission |
European Union
Belgium |
Sustainability
|
open
|
—
|
| EuroVoc |
Publications Office of the European Union |
Europe
Luxembourg |
Government
|
—
|
—
|
| FIGI (Financial Instrument Global Identifier) |
Object Management Group / Bloomberg |
International |
Finance
|
open
|
—
|
| GMDN and EMDN device nomenclature (Global Medical Device Nomenclature) |
GMDN Agency / European Commission |
European Union
Belgium |
Medical Devices
|
licence
|
—
|
| GND (Integrated Authority File) |
Deutsche Nationalbibliothek |
— |
Library
|
open
|
—
|
| Getty Vocabularies (AAT, ULAN, TGN, CONA) |
Getty Research Institute |
United States |
Cultural Heritage
|
licence
|
38.0
Legacy
|
| HGVS nomenclature (Human Genome Variation Society) |
Human Genome Variation Society |
— |
Genomics
|
open
|
—
|
| Harmonized System (HS) codes |
World Customs Organization |
International
Belgium |
Customs
|
—
|
—
|
| IAB Content / Audience / Ad Product Taxonomies |
IAB Tech Lab |
— |
Advertising
|
open
|
74.0
Current
|
| IANA Time Zone Database |
IANA / tz coordinators |
— |
Cross Domain
|
—
|
—
|
| ICD-11 (International Classification of Diseases) |
World Health Organization |
International
Switzerland |
Healthcare
|
open
|
85.7
Current
|
| ICF (International Classification of Functioning) |
World Health Organization |
International
Switzerland |
Healthcare
|
open
|
67.6
Modernizing
|
| IPTC Media Topics (International Press Telecommunications Council) |
IPTC |
International |
News
|
—
|
46.5
Legacy
|
| ISBT 128 |
ICCBBA |
— |
Medical Biotechnology
|
licence
|
—
|
| ISIN / CFI / FISN (ISO 6166, 10962, 18774) |
ISO / ANNA |
International |
Finance
|
spec sold
|
—
|
| ISO 10383 MIC (Market Identifier Codes) |
ISO / SWIFT |
International |
Finance
|
spec sold
|
36.6
Legacy
|
| ISO 13616 IBAN |
ISO / SWIFT |
International |
Payments
|
spec sold
|
—
|
| ISO 20275 Entity Legal Forms |
ISO / GLEIF |
International
Switzerland |
Finance
|
spec sold
|
50.0
Modernizing
|
| ISO 3166 / 4217 / 639 country, currency, language codes |
ISO |
International
Switzerland |
Cross Domain
|
spec sold
|
29.6
Legacy
|
| ISO 80000 quantities and units |
ISO / IEC |
International
Switzerland |
Cross Domain
|
spec sold
|
—
|
| ISO 8601 date and time |
ISO |
International
Switzerland |
Cross Domain
|
spec sold
|
—
|
| ISO 9362 BIC |
ISO / SWIFT |
International |
Finance
|
spec sold
|
—
|
| Iconclass |
Henri van de Waal Foundation / RKD |
Netherlands |
Cultural Heritage
|
open
|
—
|
| LEI (Legal Entity Identifier) / ISO 17442 |
GLEIF |
International
Switzerland |
Finance
|
—
|
56.9
Modernizing
|
| LOINC |
Regenstrief Institute |
United States
national body |
Healthcare
|
open
|
60.7
Modernizing
|
| LanguaL |
LanguaL / EuroFIR |
Belgium |
Food
|
—
|
44.6
Legacy
|
| Library of Congress Classification (LCC) |
Library of Congress |
United States
national body |
Library
|
open
|
43.2
Legacy
|
| MLCommons AI Safety / risk taxonomies |
MLCommons / NIST AI RMF |
International
United States |
AI
|
—
|
—
|
| Mathematics Subject Classification (MSC) |
American Mathematical Society / zbMATH |
United States
national body |
Mathematics
|
licence
|
—
|
| MeSH (Medical Subject Headings) |
US National Library of Medicine |
United States
national body |
Healthcare
|
open
|
—
|
| NAICS (North American Industry Classification System) |
US Census Bureau / Statistics Canada / INEGI, under OMB |
— |
Government
|
open
|
—
|
| NCBI Taxonomy (NCBITaxon) |
NCBI / OBO Foundry edition |
— |
Biology
|
open
|
—
|
| National Drug Code (NDC) |
US Food and Drug Administration |
United States
national body |
Pharma
|
—
|
—
|
| O*NET / ESCO occupational taxonomies |
US DOL / European Commission |
European Union
Belgium |
HR
|
open
|
67.9
Modernizing
|
| Package URL (purl) |
purl-spec community / OpenSSF |
International
United States |
Software Supply Chain
|
open
|
79.6
Current
|
| RCRA hazardous waste codes (Resource Conservation and Recovery Act) |
US Environmental Protection Agency |
— |
Waste
|
—
|
—
|
| RxNorm |
US National Library of Medicine |
United States
national body |
Healthcare
|
open
|
72.8
Current
|
| SDG Indicator Framework (Sustainable Development Goals) |
UN Statistics Division |
International
United States |
Development
|
open
|
—
|
| SIC / ISIC / NACE (industry classifications other than NAICS) |
UN Statistics Division (ISIC) / Eurostat (NACE) / US SEC and UK ONS (SIC) |
International
Luxembourg |
Government
|
—
|
—
|
| SMDG codes (container terminals) |
SMDG |
— |
Logistics
|
—
|
64.6
Modernizing
|
| SMPTE Metadata Registry / ST 335 (Society of Motion Picture Television Engineers) |
SMPTE |
United States
national body |
Media
|
spec sold
|
—
|
| SNODENT and CDT dental codes |
American Dental Association |
— |
Dentistry
|
licence
|
—
|
| SNOMED CT |
SNOMED International |
International |
Healthcare
|
licence
|
46.7
Legacy
|
| SNOMED CT Veterinary Extension |
SNOMED International / VTSL |
International |
Veterinary
|
—
|
—
|
| Thema and BISAC subject codes |
EDItEUR / BISG |
International
United Kingdom |
Publishing
|
licence
|
37.7
Legacy
|
| UCUM (Unified Code for Units of Measure) |
Regenstrief Institute |
United States
national body |
Healthcare
|
open
|
53.1
Modernizing
|
| UDI / GUDID and EUDAMED (Unique Device Identification) |
US FDA / European Commission |
European Union |
Medical Devices
|
open
|
—
|
| UMLS Metathesaurus (Unified Medical Language System) |
US National Library of Medicine |
United States
national body |
Healthcare
|
open
|
70.5
Modernizing
|
| UPRN / UK addressing (Unique Property Reference Number) |
Ordnance Survey / GeoPlace |
United Kingdom |
Geospatial
|
open
|
65.0
Modernizing
|
| Uniclass / OmniClass / MasterFormat |
NBS / CSI / Construction Specifications Canada |
— |
Construction
|
—
|
—
|
| Unicode CLDR |
Unicode Consortium |
International
United States |
Localization
|
open
|
64.5
Modernizing
|
| Universal Decimal Classification (UDC) |
UDC Consortium |
— |
Library
|
licence
|
—
|
| VIAF (Virtual International Authority File) |
OCLC |
International
United States |
Library
|
open
|
—
|
| VeNom Coding |
VeNom Coding Group |
— |
Veterinary
|
—
|
—
|
| Waste: European List of Waste (LoW) codes |
European Commission |
European Union
Belgium |
Waste
|
open
|
—
|
| bSDD (buildingSMART Data Dictionary) |
buildingSMART International |
International
Germany |
Construction
|
open
|
81.1
Current
|
