The Business Payments Coalition, BPC (USA), a volunteer group of organisations and individuals working together to promote greater adoption of electronic business-to-business invoices, (B2B) payments, and remittance data

Connect ONCE (ONCE), the Open Network for Commerce Exchange (USA), a collaborative forum for B2B e-Commerce

EESPA, the European E-invoicing Service Providers Association (EU), a pan-European trade association, whose members are active in electronic invoicing and supply chain automation

OpenPEPPOL (EU) a not-for-profit association responsible for the development, maintenance and implementation of the PEPPOL specifications enabling cross-border e-Procurement