| Polskie Towarzystwo Tlumaczy Przysieglych i Specjalistycznych | TEPIS | Regular Members |
| Asociatia Traducatorilor din România | ATR | Regular Members |
| Moscow Institute of Linguistics | | Associate Members |
| Union of Translators of Russia | UTR | Regular Members |
| Masters of Literary Translation | MLT | Regular Members |
| Higher School of Translation and Interpretation, Lomonosov Moscow State University | HSTI | Candidate Associate Members |
| Slovenská Spolo nost Prekladatel'ov Odbornej Literatury | APTOS | Regular Members |
| Drustvo Znanstvenih in Tehniskih Prevajalcev Slovenije | DZTPS | Regular Members |
| Euskal Itzultzaile, Zuzentzaile eta Interpretareen Elkartea | EIZIE | Regular Members |
| Asociación Española de Traductores, Correctores e Intérpretes | ASETRAD | Regular Members |
| Föreningen Auktoriserade Translatoren | FAT | Regular Members |
| Sveriges Facköversättarförening | SFÖ | Regular Members |
| Swedish Writers' Union, Translators' Section | SFF | Regular Members |
| École de Traduction et d'Interprétation Université de Genève | ETI | Associate Members |
| Zürcher Hochschule Winterthur | | Associate Members |
| Association suisse des traducteurs, terminologues et interprètes | ASTTI | Regular Members |
| Çeviri Dernegi | CD | Regular Members |
| Institute of Translation and Interpreting | ITI | Regular Members |
| The Translators' Association | TASA | Regular Members |
| Cymdeithas Cyfieithwyr Cymru | AWTI | Regular Members |
