The current list of signatories, as of December 5th  2018 is:

Advanced Digital Broadcast S.A.

Amino Communications Ltd5

Arris Group

Deutsche Telekom AG

Humax Digital

Irdeto

Kaon Media

Segemcom

Sky Deutschland Fernsehen GmbH & Co. KG

Sky Italia Srl

Sky UK

SmartDTV

ST Microelectronics International N.V

Tatung Technology Inc

Technicolor

Texas Instruments

Viasat Satellite Services AB