| Alan Coyle | Director | 9 Dec 2021 | 29 Mar 2024 | Scottish | 52 years |
| Alexander Allan Macpherson | Director | 8 Oct 1990 | 13 Oct 2003 | British | 87 years |
| Allan Keppie Smith | Director | 19 Aug 1991 | 18 May 1997 | British | 94 years |
| Allan Keppie Smith | Secretary | 8 Oct 1990 | 19 Aug 1991 | British | - |
| Andrew Patrick Kennedy | Secretary | 7 Jul 1989 | 2 Sept 1997 | British | - |
| Anthony Richard Midgley | Director | 8 Oct 1990 | 31 May 1994 | British | 82 years |
| Archibald Anderson Bethel | Director | 1 Apr 2004 | 19 Sept 2016 | British | 73 years |
| Barry Morse | Director | 2 Jul 1993 | 1 Jun 1995 | British | 76 years |
| Barry Morse | Director | 13 Oct 2003 | 31 Mar 2005 | British | 76 years |
| Brian Russell Alexander | Director | 19 Sept 2016 | 29 Oct 2021 | British | 61 years |
| David James Shepherd | Director | 19 Feb 2018 | 27 Feb 2018 | British | 43 years |
| David Mark Johnson | Director | 8 Oct 1990 | 1 Mar 2000 | British | 85 years |
| David Stewart Batty | Director | 8 Oct 1990 | 18 Jun 1999 | British | 82 years |
| Derek Malcolm Jones | Director | 5 Jan 2009 | 12 Oct 2023 | British | 55 years |
| Franco Martinelli | Director | 7 Mar 2007 | 19 Sept 2016 | British | 66 years |
| George Traill Lyon | Secretary | 2 Sept 1997 | 30 Jul 1999 | British | - |
| Gordon Davidson Hilton | Director | 8 Oct 1990 | 3 Jun 1998 | British | 89 years |
| Iain Stuart Urquhart | Director | 13 Oct 2003 | 31 May 2022 | British | 61 years |
| Ian Sherriff Donnelly | Director | 2 Sept 2014 | 19 Feb 2018 | British | 69 years |
| James Black Robertson | Director | 8 Oct 1990 | 31 Mar 1994 | British | 83 years |
| James Mark Dixon | Director | 19 Feb 2018 | 30 Apr 2018 | British | 64 years |
| John Anthony Donaldson | Director | 5 Jan 2009 | 29 Jul 2024 | British | 59 years |
| John David Taylor Greig | Secretary | 28 Apr 2000 | 1 Jun 2014 | Other | - |
| John Wallace Howie | Director | 21 Jan 2008 | 10 Jul 2009 | British | 59 years |
| John Wallace Howie | Director | 30 May 2012 | 31 Mar 2021 | British | 59 years |
| Joseph Reilly | Director | 18 Aug 2010 | 2 Sept 2014 | British | 70 years |
| Julia Mary Wood | Secretary | 1 Jun 2014 | 31 Jul 2024 | - | - |
| Michael Noel Mckenna | Director | 8 Oct 1990 | 1 Apr 2004 | British | 82 years |
| Murray Simpson Easton | Director | 18 May 1997 | 31 May 2002 | British | 75 years |
| Paul Graham Davison | Director | 8 Oct 1990 | 31 Mar 1994 | British | 79 years |
| Peter Lloyd Rogers | Director | 18 Dec 2007 | 5 Jan 2009 | British | 79 years |
| Robert Scott Martin | Secretary | 30 Jul 1999 | 28 Apr 2000 | British | - |
| Shaun Doherty | Director | 13 Jun 2022 | 30 Sept 2024 | British | 58 years |
| Stanley Alan Royall Billiald | Director | 7 Mar 2007 | 18 Aug 2010 | Other | 82 years |
| Timothy Michael Robert Pettigrew | Director | 10 Jul 2009 | 2 Sept 2014 | British | 59 years |
| William Gerard Mccallum | Director | 2 Jul 1993 | 30 Sept 1994 | British | 98 years |
| William Robert Watson | Director | 19 Sept 2016 | 30 Sept 2024 | British | 66 years |
| William Tame | Director | 18 Dec 2007 | 5 Jan 2009 | British | 72 years |