| ASTC | Australia: Australian Society for Technical Communication |
| APCOMTEC | Portugal: Associação Portuguesa Para a Comunicação Técnica |
| COMTEC | Italy: COM&TEC, Associazione Italiana per la Comunicazione Tecnica |
| IEEE ProComm | International: IEEE Professional Communication Society |
| STVY | Finland: Suomen teknisen viestinnän yhdistys |
| TechCommNZ | New Zealand: Technical Communicators Association of New Zealand |
| Tecom | Switzerland: Tecom Schweiz Suisse Svizzera |
| tekom Deutschland | Germany: Gesellschaft fur Technische Kommunikation |
| tekom Europe | Various: European Association for Technical Communication |
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ISTC
Institute of Scientific and Technical Communicators