| Alan Philip Scott | Director | 26 Feb 2013 | 30 Aug 2013 | British | 60 years |
| Andrew James Mcnaughton | Director | 16 Feb 2004 | 3 Sept 2007 | British | 63 years |
| Beverley Edward John Dew | Director | 30 Aug 2013 | 5 Dec 2014 | British | 55 years |
| Bill Kingwill | Director | 26 Feb 2013 | 14 Oct 2014 | British | 65 years |
| Brian John Payne | Director | 10 Jul 2002 | 30 Jul 2002 | British | 82 years |
| Brian Osborne | Director | 30 Jul 2002 | 22 Mar 2006 | British | 74 years |
| Brian Roland Walker | Director | 1 Jan 2003 | 3 Sept 2007 | British | 71 years |
| Charles Nicholas Pollard | Director | 22 Oct 2014 | 1 Jul 2015 | British | 68 years |
| Christopher Charles Millard | Director | 6 Mar 2015 | 31 Dec 2015 | British | 65 years |
| David Gordon Smith | Director | 25 Jan 2019 | 31 Dec 2019 | British | 66 years |
| David John Donaldson | Director | 21 May 2013 | 15 Aug 2014 | British | 74 years |
| David Rae Moffett | Director | 22 Jan 2007 | 6 Apr 2009 | British | 79 years |
| David Ronald Suff | Director | 1 Jan 2003 | 3 Sept 2007 | British | 78 years |
| David Samuel Kennedy | Director | 24 Mar 2016 | 31 Jan 2017 | British | 68 years |
| Dean John Banks | Director | 8 Jun 2015 | 10 Feb 2021 | British | 55 years |
| Ewan Thomas Anderson | Director | 30 May 2014 | 14 Apr 2015 | British | 60 years |
| Gregory William Mutch | Secretary | 1 Feb 2013 | 30 Sept 2015 | - | - |
| Ian Malcolm Barr | Director | 1 Jan 2006 | 23 Dec 2011 | British | 77 years |
| James Joseph Duffy | Director | 14 Jun 2017 | 17 Mar 2021 | British | 60 years |
| John Keaveney | Director | 30 Jan 2015 | 30 Jun 2017 | Irish | 54 years |
| John Stewart Barron | Director | 30 Jul 2002 | 30 Jun 2014 | British | 69 years |
| Jonathan Granville Winter | Director | 1 Jul 2017 | 24 Sept 2018 | British | 66 years |
| Mark Farrah | Director | 26 Feb 2013 | 13 Aug 2017 | British | 62 years |
| Mark Lloyd Cutler | Director | 11 Mar 2014 | 11 Nov 2014 | British | 58 years |
| Mark Richard Johnson | Director | 3 Mar 2008 | 7 Dec 2012 | British | 65 years |
| Mark William Bullock | Director | 10 Feb 2021 | 31 Dec 2023 | British | 63 years |
| Marshall Duncan Scott | Director | 1 Jan 2003 | 12 Mar 2012 | British | 80 years |
| Maureen Anne Childs | Director | 10 Jul 2002 | 30 Jul 2002 | British | 90 years |
| Maureen Anne Childs | Secretary | 10 Jul 2002 | 30 Jul 2002 | British | - |
| Michael John Peasland | Director | 21 May 2013 | 31 Dec 2013 | British | 74 years |
| Murray John Easton | Director | 1 Jan 2006 | 16 Oct 2015 | British | 71 years |
| Neil Patterson | Director | 26 Feb 2013 | 30 Jan 2015 | British | 68 years |
| Nigel Craig Roberts | Director | 27 Apr 2007 | 21 May 2013 | British | 61 years |
| Paul Francis Gandy | Director | 26 Aug 2014 | 24 Mar 2016 | British | 66 years |
| Peter John Leach | Director | 1 Jan 2003 | 16 Feb 2004 | British | 78 years |
| Philip Hugh Morris | Secretary | 30 Jul 2002 | 1 Feb 2013 | British | - |
| Robert Adams | Director | 24 Oct 2006 | 31 Mar 2011 | British | 73 years |
| Robert Clark | Director | 6 Feb 2013 | 29 Aug 2014 | British | 69 years |
| Robert Dixon | Director | 1 Jan 2003 | 31 Dec 2005 | British | 79 years |
| Robert Vincent Walker | Director | 26 Feb 2013 | 24 May 2013 | British | 68 years |
| Simon Charles Kirkpatrick | Director | 14 Apr 2015 | 14 Jun 2019 | British | 48 years |
| Stephen John Waite | Director | 20 Mar 2013 | 1 Jul 2013 | British | 74 years |
| Stuart Edward Curl | Director | 5 Dec 2014 | 31 May 2016 | British | 65 years |
| Thomas Allan Edgcumbe | Director | 14 Aug 2017 | 28 Feb 2022 | British | 46 years |
| William Owen Aitchison | Director | 26 Feb 2013 | 30 May 2014 | British | 72 years |