DAVICOM: monitor, alarm & remote control units für R&TV transmitter sites (CANADA)

PRODYS, S.L.: most modern ISDN MPEG audiocodecs (for fixed and mobile use), (SPAIN)

DORROUGH ELECTRONICS: LED audio & video & power level meters for analog or digital audio (U.S.A.)

LARSEN ACUTRON LDA.: crossbar systems (analog & digital), remote control systems (PORTUGAL)