| Andrew Christopher Bolter | Director | 3 Sept 2012 | 4 Apr 2014 | British | 56 years |
| Anthony Kujawa | Director | 28 Feb 2000 | 31 Oct 2001 | British | 72 years |
| Antony Lewis John Thomas | Secretary | 1 Oct 1992 | 31 Oct 2001 | British | - |
| Barry Dennett | Director | 1 Feb 1999 | 31 Dec 2004 | British | 79 years |
| Charles Cedric Hollinsworth | Director | 1 Oct 1992 | 5 Sept 1997 | British | 78 years |
| Christopher David Hooker | Director | 2 Nov 1992 | 20 Aug 1998 | British | 74 years |
| David Baxter | Director | 11 Nov 1996 | 31 Jul 1998 | British | 74 years |
| David Connal Cather | Director | 15 Dec 2005 | 30 Sept 2006 | British | 67 years |
| David Terence Jones | Director | 1 Sept 1995 | 11 Nov 1996 | British | 90 years |
| Deborah Grimason | Director | 28 Jun 2013 | 20 Nov 2013 | British | 63 years |
| Elizabeth Mary Bayley | Secretary | 31 Oct 2001 | 1 Dec 2005 | British | - |
| Eric Raymond Whiting | Director | 2 Nov 1992 | 11 Nov 1996 | British | 78 years |
| Fiona Puleston Penhallurick | Director | 4 Apr 2014 | 15 Mar 2016 | British | 59 years |
| Gary Charles Mcardle | Director | 1 Dec 2004 | 30 Jan 2006 | British | 66 years |
| Gary Nicholas Whitehead | Director | 30 Jan 2006 | 26 Jan 2008 | British | 56 years |
| Geoffrey Charles Stockbridge | Director | 4 Jan 1999 | 15 Dec 2005 | British | 67 years |
| Guy Franklin Young | Director | 1 Feb 2011 | 29 Jun 2013 | South African | 57 years |
| James Alexander Claydon | Director | 1 Nov 2006 | 26 Jan 2008 | British | 66 years |
| James Richard Stirk | Secretary | 26 Jan 2008 | 30 Nov 2012 | British | - |
| Johannes Frederick Van Blerk Serfontein | Director | 30 Sept 2006 | 1 Feb 2011 | South African | 58 years |
| John Kenneth Hopkins | Director | 20 Nov 2001 | 5 Jun 2002 | British | 82 years |
| John Richard Bradshaw | Secretary | 30 Nov 2012 | 29 Jun 2013 | British | - |
| Kevin John Seaman | Director | 11 Nov 1996 | 29 Jun 2013 | British | 70 years |
| Lafarge Tarmac Directors (uk) Limited | Corporate Director | 28 Jun 2013 | 27 Aug 2015 | United Kingdom | - |
| Maria Claire Gent | Director | 1 Mar 2007 | 26 Jan 2008 | British | 55 years |
| Michael John Choules | Director | 27 Aug 2015 | 9 Apr 2021 | British | 66 years |
| Michael Westwell | Director | 2 Nov 1992 | 1 Sept 1995 | British | 69 years |
| Patrick Joseph O'shea | Director | 1 Dec 2004 | 1 Nov 2006 | British | 68 years |
| Paul Derek Tunnacliffe | Secretary | 1 Dec 2005 | 10 Dec 2007 | British | - |
| Paul Michael Burgess | Director | 4 Jan 1999 | 15 Dec 2005 | British | 63 years |
| Peter John Smith | Director | 1 Oct 1992 | 30 Nov 1999 | British | 89 years |
| Peter Richard Deering | Director | 20 Nov 2001 | 22 Oct 2004 | British | 69 years |
| Richard John Wood | Director | 9 Apr 2021 | 30 Sept 2022 | British | 54 years |
| Robert John Hockliffe | Director | 14 Jul 1997 | 31 Dec 1998 | British | 90 years |
| Robin Mark Staunton | Director | 13 Jul 1992 | 1 Oct 1992 | British | 69 years |
| Robin Mark Staunton | Secretary | 13 Jul 1992 | 1 Oct 1992 | British | - |
| Rupert Burne | Director | 26 Jan 2008 | 5 Nov 2008 | British | 63 years |
| Ruth Sarah Button | Director | 30 Sept 2022 | 1 Oct 2025 | British | 42 years |
| Simon John Russell | Director | 2 Nov 1992 | 11 Jul 1997 | British | 75 years |
| Simon Lloyd Willis | Director | 31 Jul 2006 | 30 Mar 2009 | British | 61 years |
| Stanley Kenneth Wilson | Director | 24 Feb 1998 | 31 Oct 2001 | British | 84 years |
| Terence Robert Last | Director | 15 Dec 2005 | 1 Nov 2006 | British | 76 years |
| Terence Robert Last | Director | 26 Jan 2008 | 29 Jun 2013 | British | 76 years |
| Timothy Charles Jackson | Director | 15 Dec 2005 | 31 Jul 2006 | British | 74 years |
| Timothy Edward Pyper | Director | 13 Jul 1992 | 1 Oct 1992 | British | 82 years |
| Timothy James Smith | Director | 5 Jun 2002 | 10 Dec 2004 | British | 66 years |
| Todd William Hannigan | Director | 1 Dec 2004 | 1 Nov 2006 | Australian | 54 years |