. "Thorn Group Limited" . . . "Thorn EMI" . "EMI" . . . . . . "Thorn" . . . . . . . . . . . . . "Thorn EMI Video" . . "1979" . . . "Thorn/EMI Video" . . . . . . . . . . . . . . . "Ferguson" . . . . . . . . "Thorn EMI Business Communications" . . . . . "Thorn EMI Screen Entertainment" . . . . . . . "Thorn EMI" . . "Thorn EMI Video UK" . . . . . . "Thorn/EMI HBO Video" . "Demerged and subsequently broken up" . . . "Thorn EMI Electronics" . . . . . . "Thorn-EMI" . . . . . . . . . . .