| VAN ASWEGEN, Thelize ACTIVE | Secretary | 22 May 2026 | | | | Metrology House, Halesfield 13, Telford, Shropshire, TF7 4PL, England |
| MONTGOMERY, Alexander Stafford ACTIVE | Director | 24 May 2023 | | England | May 1972 | Metrology House, Halesfield 13, Telford, Shropshire, TF7 4PL, England |
| FREER, Peter Stuart RESIGNED | Secretary | 01 Nov 1994 | 20 Aug 2012 | | | 33 Fair Oak, Newport, Shropshire, TF10 7LR |
| PEALL, Helen Elizabeth RESIGNED | Secretary | 25 Apr 2013 | 22 May 2026 | | | Metrology House, Halesfield 13, Telford, Shropshire, TF7 4PL, England |
| ROBINSON, Mark RESIGNED | Secretary | 20 Aug 2012 | 25 Apr 2013 | | | Metrology House, Halesfeild 13, Telford, Shropshire, TF7 4PL |
| WATSON, Jeffrey Paul RESIGNED | Secretary | | 01 Nov 1994 | | | The White Lodge, Willesley, Ashby De La Zouch, Leicestershire, LE65 2TL |
| ALDRED, Philip James Eric, Dr RESIGNED | Director | 20 Feb 2007 | 31 Dec 2008 | United Kingdom | April 1946 | 7 Wellmeadow Road, Shrewsbury, Salop, SY3 8UL |
| BURTON, Marcus William RESIGNED | Director | 21 May 1998 | 30 Mar 2001 | | March 1959 | 32 Glen Brook Road, Priorslee, Telford, Shropshire, TF2 9QY |
| COOKE, Constan John, Dr RESIGNED | Director | | 31 Jul 1998 | | January 1937 | Rectory Hill, Little Wenlock, Telford, Shropshire, TF6 5BD |
| DUNCAN, Richard James RESIGNED | Director | | 24 Apr 1992 | | March 1941 | 25 Tamarack Drive, East Greenwich Rhode Island, FOREIGN, Usa |
| FREER, Peter Stuart RESIGNED | Director | 05 Feb 1999 | 30 Jun 2000 | United Kingdom | February 1943 | 33 Fair Oak, Newport, Shropshire, TF10 7LR |
| GENOR, Andrew RESIGNED | Director | 07 Sep 1999 | 27 Apr 2001 | | June 1942 | 352 Beacon Street, Boston, Massachusetts, 02116, U.S.A. |
| HANKE, Norbert RESIGNED | Director | 21 Nov 2001 | 20 Feb 2007 | | January 1962 | 43 Malthouse Drive, Chiswick, London, W4 2NR |
| JUNKUNC, Charles Alexander RESIGNED | Director | 26 May 1992 | 07 Jul 1999 | | May 1942 | 21 Cedar Pond Drive, Apartment 11, Warwick Ri 02886-6632, FOREIGN, Usa |
| MILLS, David Anthony RESIGNED | Director | 30 Mar 2001 | 20 Oct 2025 | United Kingdom | June 1972 | Metrology House, Halesfield 13, Telford, Shropshire, TF7 4PL, England |
| WATSON, Jeffrey Paul RESIGNED | Director | 24 May 1991 | 31 Dec 1998 | | February 1935 | The White Lodge, Willesley, Ashby De La Zouch, Leicestershire, LE65 2TL |
| WATSON, Jeffrey Paul RESIGNED | Director | | 01 Nov 1994 | | February 1935 | The White Lodge, Willesley, Ashby De La Zouch, Leicestershire, LE65 2TL |