The ACCJM is the Association des Commerçants du Carrefour Jean Monnet.
It is located at the foot of the Berlaymont, in the heart of the perimeter defined by Archimède, Stevin and Franklin streets and by Charlemagne Boulevard.

The aim or object of the Association is to defend the material and moral interests of retailers, businesses and all those involved in the economic activity of the Jean Monnet district (rue Archimède, rue Stevin, rue Franklin, Bd Charlemagne).