ITAA

Title: International Transactional Analysis Assocication
Remit: Promotion and regulation of TA worldwide (except in Europe)
Website: www.itaa-net.org

EATA

Title: European Association of Transactional Analysis 
Remit: Promotion and regulation of TA in Europe
Website: www.eatanews.org

ITA

Title: Institute for Transactional Analysis
Remit: Promotion of TA in the UK
Website: www.ita.org.uk

STAA

Title: Scottish Transactional Analysis Association
Remit: Promotion of TA in Scotland
Website: www.scottishta.org.uk

SAATA

Title: South Asia Association of Transactional Analysis 
Remit: Promotion of TA in South Asia 
Website:  www.saata.org

IDTA

Title: Institute of Developmental Transactional Analysis
Remit: UK body promoting the Organisational and Educational aspects of Transactional Analysis.
Website:www.instdta.org

ATAA

Title: Australian Transactional Analysis Association
Remit: Promotion of TA in Australia
Website: taaustralia.com.au

NZTAA

Title: New Zealand Transactional Analysis Association
Remit: Promotion of TA in New Zealand
Website: nztaa.org.nz

USATAA

Title: United States of America Transactional Analysis Association
Remit: Promotion of TA in USA
Website:www.usataa.org