- International Association of Public Transport UITP
UITP is the world-wide association of urban and regional passenger transport operators, their authorities and suppliers.
- American Public Transportation Association APTA
APTA serves and leads its diverse membership through advocacy, innovation, and information sharing to strengthen and expand public transportation.
- VDV Kernapplikation GmbH
VDV-Kernapplikations GmbH was founded 2004 as a daughter-company of VDV (association of German public transport organizations) for the development and introduction of a standardized chip card scheme in Germany.
- The Asia Pacific Smart Card Association (APSCA) is a non-profit, independent associatin for organisations in the smart card industry in the Asia Pacific region.