. "assets were divided" . . . . . "Break up of the businesses of Plessey" . . . . . . . . "Plessey company plc" . . . "Plessey Co. Ltd." . . . "Plessey Semiconductors" . "Plessey Group" . . "Plessey Australia" . . . "The Plessey Company" . . "Plessey PDX" . "Plessey#GEC Siemens takeover" . "Plessey Electronic Systems" . . . . . "Plessey Company" . . . . "the Plessey Company" . . . . . . . . "Plessey Telecommunications" . . . "Acquired" . "Plessey Co." . . "Plessey Radar Limited" . "Plessey" . "Plessey Electronics" . . . "Plessey" . "(in 1989 by GEC/Siemens joint holding company \u2013 GEC Siemens)" . "Plessey Naval Systems" . . "Plessey#Break-up of the business" . "Plessey Defence Systems" . . . . "Plessey Co., plc" . . "1917" . . . . . . . . . . . . "Plessey Semiconductors Ltd" . "Plessey Ltd" . . "Plessey Avionics" . "The Plessey Company plc" . "Plessey's" . . "Plessey Pacific" . . . . . . . "Plessey Electronic Systems Research" . . . . .