| Andrew Christopher Bolter | Director | 28 Mar 2013 | 4 Apr 2014 | British | 56 years |
| Anthony John Jackson | Director | 26 Sept 1992 | 31 Dec 1994 | British | 93 years |
| Clive Frederick Coster | Director | 26 Sept 1992 | 30 May 1997 | British | 93 years |
| Clive Frederick Coster | Secretary | 1 Feb 1995 | 30 May 1997 | British | - |
| Clive Jonathan Mottram | Director | 15 Jun 2009 | 7 Jun 2010 | British | 67 years |
| Clive Jonathan Mottram | Secretary | 19 Jun 2009 | 4 Jan 2010 | British | - |
| Colin Terry Hunter | Director | 26 Sept 1992 | 31 Aug 2000 | British | 82 years |
| Deborah Grimason | Director | 13 Apr 2007 | 19 Jun 2009 | British | 63 years |
| Deborah Grimason | Director | 1 Jan 2012 | 20 Nov 2013 | British | 63 years |
| Deborah Grimason | Secretary | 13 Apr 2007 | 19 Jun 2009 | British | - |
| Eric William Thomson Dalkin | Director | 26 Sept 1992 | 31 Dec 1993 | British | 92 years |
| Fiona Puleston Penhallurick | Director | 4 Apr 2014 | 15 Mar 2016 | British | 59 years |
| Gordon Francis Franklin | Director | 30 May 1997 | 14 Dec 2001 | British | 82 years |
| Gordon Francis Franklin | Secretary | 30 May 1997 | 14 Dec 2001 | British | - |
| Ian Maclean Reid | Director | 14 Dec 2001 | 4 Apr 2003 | British | 81 years |
| James Broughton Greaves | Director | 26 Sept 1992 | 26 Sept 1993 | British | 93 years |
| James Broughton Greaves | Secretary | 26 Sept 1992 | 26 Sept 1993 | British | - |
| Keith Howard Sanderson | Director | 26 Sept 1992 | 31 Oct 1996 | British | 88 years |
| Lafarge Tarmac Directors (uk) Limited | Corporate Director | 30 Jun 2010 | 27 Aug 2015 | United Kingdom | - |
| Marie-cecile Collignon | Director | 1 Sept 2011 | 31 Dec 2011 | French | 50 years |
| Michael John Choules | Director | 27 Aug 2015 | 9 Apr 2021 | British | 66 years |
| Paul Anthony Edward Peter Bryan | Director | 26 Sept 1993 | 31 Jan 1995 | British | 76 years |
| Paul Anthony Edward Peter Bryan | Secretary | 26 Sept 1993 | 31 Jan 1995 | British | - |
| Peter William Joseph Mills | Director | 6 Apr 2003 | 30 Jun 2010 | British | 73 years |
| Phillip Thomas Edward Lanyon | Director | 16 Aug 2010 | 28 Mar 2013 | British | 62 years |
| Raymond Alfred Elliott | Director | 14 Dec 2001 | 13 Apr 2007 | British | 79 years |
| Raymond Alfred Elliott | Secretary | 14 Dec 2001 | 13 Apr 2007 | British | - |
| Rebecca Joan Powell | Director | 5 Jan 2011 | 1 Sept 2011 | British | 54 years |
| Richard Francis Tapp | Director | 1 Feb 1995 | 14 Dec 2001 | British | 67 years |
| Richard John Wood | Director | 9 Apr 2021 | 30 Sept 2022 | British | 54 years |
| Richard West Henchley | Director | 1 Jan 1994 | 31 Dec 1995 | British | 83 years |
| Ruth Sarah Button | Director | 30 Sept 2022 | 1 Oct 2025 | British | 42 years |
| Sonia Fennell | Director | 7 Jun 2010 | 5 Jan 2011 | British | 67 years |