怡和聯訊工程有限公司
19 January 1995 – 24 October 2012
JOS M.C.L. ENGINEERING LIMITED
19 May 1994 – 24 October 2012
JOS聯訊工程有限公司
19 May 1994 – 19 January 1995
JARDINE INFORMATION SYSTEMS LIMITED
18 May 1990 – 19 May 1994
怡和資訊系統有限公司
18 May 1990 – 19 May 1994
運訊系統有限公司
16 May 1989 – 18 May 1990
TRANSDATA SERVICES LIMITED
02 January 1987 – 18 May 1990
JARDINE AIR CARGO (INTERNATIONAL) LIMITED
02 March 1982 – 02 January 1987