The Association numbers 87 theatre companies as members. The Statute of 2017 is signed by the following Companies:

Theatro Technis (Theatre of Art)

Dolihos (Theatro Poreia)

Theatro tou Neou Kosmou

Argo Theatre,

Anikti Porta

Theatro epi Kolono

Sin Epi

I Pandimos Ios

Neos Logos

Opseis Etaireia

Theatro Fournos

Aeroplio

Gaff theatre Goup

Angelus Novus

Omada Plani

Helix

Horos

Praxis Epta

Dameblanche

Kato apo tin Gefira

Iperion

Ohi Pezoume

Anemi

Theatrinon Theates

Minus Two

Anima

Animal

Alli Plevra

Theatromathia

Prassin Aloga

Mythodia

Teihi

Kentro Theatrikis Erevnas of Thessaloniki

Theatriki Skini