Groupement Orange Services (GOS)

Orange S.A., formerly France Télécom S.A., is a French multinational telecommunications corporation. It has 266 million customers worldwide and is the tenth-largest mobile network operator in the world -- the fourth largest in Europe after Vodafone, Telefónica and VEON. Orange provides mobile, landline, internet, and IPTV services.

https://www.orange.com/en