Payments SEG Member List
| Member entity | Company |
| Australia | NPP Australia Limited |
| Australia | Westpac |
| Australia | CBA |
| Australia | ANZ |
| Australia | Standards Australia |
| Austria | Bank Austria UniCredit |
| Austria | UNIFITS |
| Belgium | BNP Paribas |
| Bank of England | |
| Brazil | IPMF Global |
| Canada | Canadian Payments Association |
| Canada | CDNPay |
| Canada | Payments Canada |
| China | China Financial Computerization Corporation |
| China | Bank of China |
| China | Ant Financial Services Group |
| Denmark | Mastercard |
| Denmark | Danish Bankers Association |
| Denmark | Nordea |
| DTCC | |
| EBA Clearing | |
| ECB (European Central Bank) | |
| Euroclear | |
| Finland | Federation of Finnish Financial Services |
| Finland | OP |
| France | Societe Generale |
| France | Caisse des Dépôts |
| France | BNP Paribas |
| Germany | Deutsche Bank |
| Germany | Deutsche Bundesbank |
| Germany | Informatikzentrum der Sparkassenorganisation GmbH |
| Germany | Security Research and Consulting GmbH (SRC) |
| Germany | Unicredit |
| Germany | FIZ GmbH |
| GLEIF | |
| Ireland | Citi |
| ISITC | |
| Italy | CBI Consortium |
| Italy | Intesa San Paolo |
| Japan | Supply Chain Information Platform Study Group |
| Japan | Bank of Japan |
| Japan | Capital Markets Association for Asia |
| Japan | Kyash Co. |
| Japan | Japan International Cooperation Agency |
| Japan | NTT Data Jengin Section |
| Japan | Accenture |
| Japan | TJ Research, Inc |
| Japan | Mizuho Bank |
| MasterCard | |
| NACHA | |
| Netherlands | ABN AMRO |
| Netherlands | Rabobank |
| nexo standards | |
| Norway | Bankenes Standardiseringskontor (Bits AS) |
| Ripple | |
| Singapore | CA CIB |
| Singapore | TechCreate Solution Private Limited |
| Singapore | Partior |
| South Africa | BankServAfrica |
| South Africa | PASA |
| South Africa | ABSA |
| STET | |
| Sweden | Nordea |
| SWIFT | |
| Switzerland | SIX Group |
| Switzerland | Raiffeisen |
| United Kingdom | Mastercard |
| United Kingdom | Barclays Bank |
| United Kingdom | Pay.UK |
| United Kingdom | Zanders Consulting |
| United States | Citi Global Transaction Services |
| United States | Federal Reserve Bank of NY |
| United States | The Clearing House |
| United States | Federal Reserve Bank of Minneapolis |
| United States |
U.S. Bank |
| United States | Tahoe Blue Ltd |
| United States | Wells Fargo |
| United States | x-x.net limited |
| United States | Mojaloop Foundation |
| VISA |
