Bunsley Limited | 27th October 1992 to 22nd January 1993 |
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John Laing Investments Limited | 22nd January 1993 to 23rd September 1997 |
JL Infrastructure Holdings Limited | 23rd September 1997 to 29th December 2000 |
Laing Infrastructure Holdings Limited | 29th December 2000 to 16th March 2021 |