As of 20 April 2021, the World Wide Web Consortium (W3C) has 437 Members.
- 360
- 51Degrees
- Aalto University
- ACCESS CO., LTD.
- Access2online Inc.
- accessiBe
- Accessibility Foundation
- Accessibility Shield
- AccessibilityOz
- ADA Site Compliance
- Adobe
- Afilias Limited
- Agency for Digitisation
- Agenzia per l'Italia Digitale
- Agora.io
- Airbnb Inc
- Akamai Technologies
- AKASHA Foundation
- AKEA Web Solutions, LLC
- Alfasado, Inc.
- Alibaba Group
- Altova GmbH
- Amazon
- American Express Company
- American Printing House for the Blind, Inc.
- Andrew Pollock Alcohol Drug Rehab
- AnzoGraph by Cambridge Semantics
- Apache Software Foundation
- Apple, Inc.
- Association BrailleNet
- AT&T
- AudioEye, Inc.
- Australian National University
- Austrian Research Promotion Agency
- Autonomic
- Ayuntamiento de Zaragoza
- Baidu, Inc.
- Barclays Bank PLC
- BarrierBreak Technologies
- Basque Government - Irekia
- Baycloud Systems
- BBVA
- Becker-Carroll
- Beijing Haitai Fangyuan Technologies Co,.Ltd.
- Beijing University of Posts and Telecommunications
- Benetech
- BFO
- Blink Ledger Systems Inc.
- Bocoup
- Book Industry Study Group
- BPS Co., Ltd.
- Brave Software Inc.
- Brickdoc
- Bright Wing Media
- Brightcove
- British Broadcasting Corporation
- Bureau of Internet Accessibility
- ByteDance
- C-DAC
- Cable Television Laboratories Inc
- CafeMedia
- CANTON CONSULTING
- Capital One Financial
- Caruso GmbH
- Center for Democracy and Technology
- Centre for Inclusive Design
- CERN
- China Academy of Information and Communications Technology (CAICT)
- China Mobile Communications Corporation
- Chinese Academy of Sciences
- Cisco
- ClearVision
- CloudFlare
- codeMantra U.S. LLC
- Coil Technologies, Inc.
- Collaborative Knowledge Foundation
- Comcast Corporation
- Conexxus
- Connatix
- ConsenSys
- Convergence.Tech Inc.
- CoSMo Software Consulting Pte Ltd
- Crawford Technologies
- Credly
- Criteo
- CSIRO
- CWI
- DAISY Consortium
- Dalton Maag Ltd
- Danube Tech GmbH
- DappWorks Technology Inc.
- Data Society Alliance
- DBS Interactive
- DDS, Inc.
- Dentsu Group Inc.
- Department of Human Services
- Department of Information Technology, Government of India
- Deque Systems, Inc.
- Design Inc.
- Deutsche Nationalbibliothek (DNB)
- Dfinity Stiftung
- Didomi
- DigiCert SSL Certificate Authority
- Digital Bazaar
- Digital Comic Association
- Digital Contract Design
- Digital Transformation Agency
- Discover Financial Services LLC
- DMAI, Inc.
- Dreamlab Technologies AG
- Dublin Core Metadata Initiative (DCMI)
- Duck Duck Go, Inc.
- Dynatrace LLC
- Earth Science Data Systems Program
- EBSCO Industries, Inc.
- Ecole Mohammadia d'Ingenieurs Rabat (EMI)
- Ecole Superieure Polytechnique de Dakar
- EDRLab
- Educational Testing Service
- Electronic Book Publishers Association of Japan
- Electronics and Telecommunications Research Institute (ETRI)
- Entersekt
- Ephox Corporation
- ERICSSON
- eSSENTIAL Accessibility, Inc.
- Ethereum Foundation
- European Broadcasting Union (EBU-UER)
- Evernym
- Evident Point Software
- eyeo GmbH
- Fastly
- Federal Reserve Bank of Minneapolis
- FinanzNachrichten.de
- Fiserv
- Flatfile Inc.
- FLUX Inc.
- Fondazione LIA
- Forschungszentrum Informatik (FZI)
- Foundation for Research and Technology - Hellas(FORTH)
- Fraunhofer Gesellschaft
- Fujitsu Limited
- Fundacion BiscayTIK - BiscayTIK Fundazioa
- Fundacion CTIC
- Fundación ONCE
- Future Technology Laboratories Inc.
- Gardenia Corp
- GENIVI Alliance
- Geonovum
- Geotab
- German Research Center for Artificial Intelligence (DFKI) Gmbh
- GFT IT Consulting S.L.U
- Global Teams Internacional Latinoamerica
- globaliD
- Gobierno del Principado de Asturias
- Google LLC
- Gooroomee Co., Ltd.
- Government Technology Agency
- Green Technology Co
- Groupement des Cartes Bancaires
- GS1
- HAN University of Applied Science
- Hedera Hashgraph
- Hilfsgemeinschaft der Blinden und Sehschwachen Österreichs
- Hitachi, Ltd.
- HM Government
- Hochschulbibliothekszentrum des Landes NRW
- Hong Kong Blind Union
- Huawei
- Hypothes.is Project
- IAB Europe
- IAB Technology Laboratory, Inc.
- iAccessible
- IBM Corporation
- Igalia
- Imec vzw
- Imperial College of Science, Technology and Medicine
- INCA Internet Co.,Ltd.
- Indeed
- Informatie Vlaanderen
- Infours Inc.
- Inrupt Inc.
- INSIGHT - The Centre for Data Analytics
- Institut Mines-Télécom
- Institut National de Recherche en Informatique et en Automatique (INRIA)
- Instituto de Inteligência Cibernética do Brasil
- Inswave Systems Co., Ltd.
- Intel Corporation
- International Forecourt Standards Forum
- Internet Academy
- Internet Research Institute, Inc.
- Intive
- Intopia
- ISO 20022 Registration Authority
- J. Paul Getty Trust
- Jaguar Land Rover
- Japan Registry Services Co., Ltd.
- JCB CO., LTD.
- JIANGSU INSTITUTE OF QUALITY AND STANDARDIZATION
- Jiangsu PayEgis Co., Ltd
- Jiangsu Rongzer Information Technology Co., Ltd.
- Johns Hopkins Institute for Clinical and Translational Research
- Jolocom GmbH
- Juzix Technology Co.,Ltd.
- JW Player
- Kadokawa Corporation
- Kaikeba 北京开课吧科技有限公司
- Kaiser Permanente
- KDDI CORPORATION
- King's College London
- Klarna
- Know Your Customer Limited
- Knowbility
- Kodansha, Publishers, Ltd.
- Korea Electronics Technology Institute (KETI)
- Korea Internet Professionals Association (KIPFA)
- Lawrence Berkeley National Laboratory
- Learning Machine, Inc.
- Legible Media Inc.
- LG Electronics
- Library of Congress
- LINE Corporation
- Logius
- Loongson Technology Corporation Limited
- Los Alamos National Laboratory
- LucidWeb
- Lyra Network
- Macmillan Learning
- Mada Center, Qatar
- Magic Leap, Inc.
- Magnite
- Mastercard Incorporated
- Mattr Limited
- MEDIA DO Co., Ltd.
- Meedan
- Memect Technology Co. Ltd. 北京文因互联科技有限公司
- Meraka Institute
- Merchant Advisory Group
- Met Office
- Method Media Intelligence
- MFX Worldwide, Inc.
- Microsoft Corporation
- Ministerio de Hacienda y Administraciones Públicas
- MITRE Corporation
- Mitsubishi Electric Corporation
- Mitsue-Links Co., Ltd.
- Mobiletta
- Monotype
- MovieLabs
- Mozilla Foundation
- NACHA - The Electronic Payments Association
- Nagwa Limited
- Nanjing Institute of digital Financial Industry Co.Ltd
- Nanjing University
- National Association of Broadcasters
- National Federation of the Blind
- National Film Board of Canada
- National Institute of Standards and Technology (NIST)
- National Network for Equitable Library Service
- Navy Federal Credit Union
- NCSC
- NEC Corporation
- Netflix Inc.
- New Relic, Inc.
- Newgen Knowledgeworks
- Newphoria Corporation
- NHK (Japan Broadcasting Corporation)
- NIC.br - Brazilian Network Information Center
- Nippon Telegraph & Telephone Corp. (NTT)
- Nok Nok Labs
- Nomensa
- Norwegian Library of Talking Books and Braille
- OASIS
- Object Management Group, Inc. (OMG)
- OCLC (Online Computer Library Center, Inc.)
- Office of the Government Chief Information Officer, The Government of the Hong Kong Special Administrative Region of the People\'s Republic of China
- Onfido
- Online ADA
- Ontology Foundation Ltd.
- Ontotext
- Open Banking Limited
- Open Geospatial Consortium
- Opendi AG
- OpenJS Foundation
- OpenLink Software Inc.
- Openstream, Inc.
- OpenX Technologies Inc
- Oracle Corporation
- Ordnance Survey
- Oxlin
- Panasonic Corporation
- Payfone, Inc.
- Payments Canada
- Pearson plc
- Peer5
- Ping Identity
- Playco
- Pluto
- Polskie Badania Internetu Sp z o.o.
- Profium
- Protocol Labs
- Pundi X
- Purple Mountain Laboratories
- Quantcast
- Qwant
- Rakuten, Inc.
- Reach
- Recording Industry Association of America
- Refinitiv
- Regional State Administrative Agency for Southern Finland
- REMME LTD
- RenderX
- RingCentral
- Ripple
- RISE Research Institutes of Sweden AB
- Royal National Institute of Blind People (RNIB)
- Saixin Financial Technology Research Institute Co., Ltd
- Salesforce
- Samsung Electronics Co., Ltd.
- Santillana Global, S.L.
- SAP SE
- Sauce Labs
- Saudi Federation for Cybersecurity, Programming, and Drones
- SCE Korea, Inc.
- Scenarex Inc.
- Search Engine Optimization Inc
- SecureKey
- Sefonsoft
- Shanghai Bilibili Technology Co., Ltd.
- Shenzhen Institute of Artificial Intelligence and Robotics for Society
- Shenzhen Institute of Information Technology
- Shopify
- SHUEISHA Inc.
- Shukun (Beijing) Network Technology Co., Ltd.
- Siemens AG
- Simplifi Holdings Inc.
- Sirdata
- Siteimprove
- SmartThings, Inc.
- SoftBank Corp.
- Software AG
- Soluciones Integrales Ver S.A.S.
- Sonobi
- Sony Group Corporation
- Sovrin Foundation
- SPORTTOTAL AG
- Spruce Systems, Inc.
- SSB BART Group
- Stanford University
- Stiftelsen for internetinfrastruktur (IIS)
- Stony Brook University
- Stripe
- SURF bv
- SURROUND Australia Pty Ltd
- Swirrl
- Syncro Soft
- SZTAKI
- Taiwan Digital Publishing Forum
- Tampere University
- Telstra
- Tencent
- Tenon.io
- TetraLogical Services Ltd
- The Clearing House
- The German Association for the Digital Economy (BVDW)
- The Japan Commercial Broadcasters Association
- The National Archives
- The New York Times
- The Open University
- The Rebus Foundation
- The Scottish Government
- The Trade Desk
- The Washington Post
- Thinktecture
- Thomson Reuters Corp.
- Tingyu Technology
- TopQuadrant
- Torus
- Toshiba Corporation
- Touch coffee ltd
- TPGi
- TranSendX
- Transmute
- Understood
- UnitedHealth Group
- Universidad Politécnica de Madrid
- Universidade de Lisboa - ULisboa
- Universidade de Sao Paulo
- Universitat Autònoma de Barcelona
- Universitat Politècnica de Catalunya
- Université Côte d'Azur
- Université de Lyon
- Universities Admissions Centre
- University of Colorado Boulder
- University of Edinburgh
- University of Illinois at Urbana-Champaign
- University of Michigan
- University of Oxford
- University of Southampton
- University of Zagreb, Faculty of Organization and Informatics
- UnlockOpen
- UNNC-NFTZ Blockchain Laboratory
- usaa
- Verizon
- Viacom inc.
- Visa
- Vision Australia
- VistaTEC
- Volkswagen AG
- Volvo Cars
- Voyager Japan, Inc.
- Vrije Universiteit
- W. W. Norton & Company
- Walt Disney Company
- Waterloo Maple
- Web Key IT Pty Ltd
- Web3D Consortium
- White Ops, Inc.
- Wikimedia Foundation
- Wiley
- WIRIS Science
- Working Ontologist LLC
- Worldline
- Worldpay - FIS
- WU (Wirschaftsuniversität Wien) - Vienna University of Economics and Business
- Wymsical Inc
- Xeon & Partners
- Xiaomi
- Yahoo Japan Corporation
- Yoast
- Yubico
- Zhejiang University
- Zhongcheng Blockchain Research Institute (Nanjing) Co. LTD
- ZIIOT
- Zoom
- |pipe|
- 深圳市信息无障碍研究会，Shenzhen Accessibility Research Association