| MIRTLE, Jonathan Michael ACTIVE | Secretary | 01 May 1996 | | | | 35 Lachlan Crescent, Erskine, Renfrewshire, PA8 6HJ |
| CRUICKSHANKS, John ACTIVE | Director | 19 Sep 2014 | | United Kingdom | March 1952 | Titanium 1, Kings Inch Place, Renfrew, PA4 8WF |
| GIBSON, Robert ACTIVE | Director | 27 Mar 2013 | | Scotland | August 1968 | Titanium 1, Kings Inch Place, Renfrew, PA4 8WF |
| HAY, Alexander James ACTIVE | Director | 23 Sep 2011 | | Scotland | May 1964 | 30, St Vincent Place, Glasgow, G1 2HL, United Kingdom |
| INVERARITY, James Alexander ACTIVE | Director | | | Scotland | September 1935 | Cransley, Fowlis, Dundee, Angus, DD2 5NP |
| BALLANTYNE, Tom Hugh RESIGNED | Secretary | 01 Jan 1995 | 01 May 1996 | | | Aldie Farmhouse, Methven, Perthshire, PH1 3RD |
| RICHARDSON, Nigel Buist RESIGNED | Secretary | | 31 Dec 1994 | | | 9 Hermitage Drive, Edinburgh, Midlothian, EH10 6DA |
| CORNER, Douglas Robertson RESIGNED | Director | 31 Mar 1992 | 31 May 1995 | | May 1944 | Maryhill Cottage, Fintry Road, Kippen, Stirling, FK8 3HL |
| HODKINSON, Keith George RESIGNED | Director | 30 Sep 1993 | 25 Jun 2004 | | July 1947 | 19 Kettilstoun Grove, Linlithgow, West Lothian, EH49 6PP |
| HOWARTH, Peter RESIGNED | Director | 24 Aug 2000 | 11 Feb 2004 | | March 1953 | Auchen House, Burrelton, Blairgowrie, Perthshire, PH13 9PP |
| HUNTER, John Stewart RESIGNED | Director | 16 Mar 1996 | 24 Aug 2000 | Scotland | March 1948 | 27 Queens Crescent, Edinburgh, EH9 2BA |
| JOHNSTON, Brian RESIGNED | Director | 20 Feb 2004 | 22 Feb 2006 | | July 1954 | 2 Thornhill Gardens, Mearns Kirk, Glasgow, G77 5FU |
| KERR, Donald RESIGNED | Director | 24 Oct 2008 | 23 Sep 2011 | United Kingdom | December 1968 | 1, Smeaton Grove, Inveresk, East Lothian, EH21 7TW, United Kingdom |
| LUND, John Kenneth RESIGNED | Director | 25 Jun 2004 | 19 Sep 2014 | United Kingdom | April 1961 | 2 Namur Road, Penicuik, Midlothian, EH26 0LD |
| MACKIE, William, Dr RESIGNED | Director | 23 Feb 2007 | 19 Dec 2012 | Scotland | July 1959 | 22 Shanter Wynd, Alloway, Ayr, Ayrshire, KA7 4RS |
| MACKIN, Alastair Thomas Daniel RESIGNED | Director | 30 Sep 1991 | 31 Mar 1992 | | July 1936 | Southcliff 31 Castle Road, Dunure, Ayr, Ayrshire, KA7 4LW |
| MCINNES, Robert Macdonald RESIGNED | Director | 21 Dec 1990 | 18 Dec 1992 | | January 1940 | 2 Nisbet Road, Gullane, EH31 2BQ |
| OGSTON, John Charles RESIGNED | Director | 19 Dec 2003 | 23 Feb 2007 | United Kingdom | April 1957 | 43 Larkfield Road, Lenzie, Glasgow, G66 3AR |
| QUEEN, John Eadie RESIGNED | Director | 01 Jun 1995 | 23 Oct 2003 | | February 1943 | Aloha,8 Elphinstone Road, Whitecraigs, Glasgow, G46 6TE |
| REID, Alexander James RESIGNED | Director | | 21 Dec 1990 | | August 1935 | 15 Burnbrae, Edinburgh, Midlothian, EH12 8UB |
| ROBERTSON, David Ritchie RESIGNED | Director | | 30 Sep 1991 | | July 1937 | Dalnair Cottage, Croftamie, Drymen, G63 0EZ |
| SMITH, Donald Robert RESIGNED | Director | 21 May 1992 | 30 Nov 1992 | | July 1937 | 12 Essex Road, Edinburgh, Midlothian, EH4 6LG |
| SUTHERLAND, Ian Maclaren RESIGNED | Director | 18 Dec 1992 | 30 Sep 1993 | | May 1939 | Chartwell Nisbet Road, Gullane, East Lothian, EH31 2BQ |
| TAYLOR, John Graham RESIGNED | Director | 22 Feb 2006 | 24 Oct 2008 | | July 1951 | 17 Priorland, Glencarse, Perth, Perthshire, PH2 7UQ |
| YOUNG, Hugh Kenneth RESIGNED | Director | | 15 Mar 1996 | | May 1936 | 30 Braid Hills Road, Edinburgh, EH10 6HY |