| BULL, Paul Antony RESIGNED | Secretary | 07 Aug 2000 | 25 Sep 2015 | | | 7 Leveret Way, Birstall, Batley, West Yorkshire, WF17 0RP |
| JOHNSON, Christopher Denis RESIGNED | Secretary | 20 Jan 1997 | 08 Aug 2000 | | | 21 Cherry Grove, Hungerford, Berkshire, RG17 0HP |
| MORTON, Tracy RESIGNED | Secretary | | 17 Nov 1993 | | | 6 Romwood Avenue, Swinton, Mexborough, South Yorkshire, S64 8DX |
| PENNSEC LIMITED RESIGNED | Nominee Secretary | 17 Nov 1993 | 31 Dec 1998 | | | Abacus House, 33 Gutter Lane, London, EC2V 8AR |
| ALVERSON, Luke Edward RESIGNED | Director | 12 Jun 2015 | 25 Sep 2015 | Usa | December 1977 | 5205, N. O'Connor Boulevard, Suite 2300, Irving, Texas, TX75039, United States |
| ARNOLD, Jurgen Manfred RESIGNED | Director | 21 Oct 2004 | 01 Apr 2009 | | August 1953 | Aberjettenbacher Strabe 3, Beilstein, Baden Wurttenberg, 71717, Germany |
| BARRETT, William Edward RESIGNED | Director | | 19 Feb 1993 | | December 1939 | 59584 Ridgewood Drive, Goshen, Indiana 46526, TR5, United States Of America |
| BEST, Michael John RESIGNED | Director | 24 Jan 2017 | 30 Sep 2018 | England | October 1966 | Prospect Road, Prospect Road, Crook, County Durham, DL15 8JL, England |
| BLACKETT, Robert Jon RESIGNED | Director | 25 Sep 2015 | 17 Aug 2020 | United Kingdom | July 1973 | Prospect Road, Crook, County Durham, DL15 8JL, England |
| BULL, Paul Antony RESIGNED | Director | 01 Feb 2002 | 25 Sep 2015 | United Kingdom | December 1968 | 7 Leveret Way, Birstall, Batley, West Yorkshire, WF17 0RP |
| CRESSWELL, Roy RESIGNED | Director | | 27 May 1994 | | June 1933 | Lower Cote Farm, Clough Lane, Brighouse, West Yorkshire, HD6 3QN |
| DUNCAN, Paul Robson RESIGNED | Director | 07 Oct 2015 | 30 Sep 2016 | England | August 1948 | Prospect Road, Prospect Road, Crook, County Durham, DL15 8JL, England |
| GRAHAM, Stephen James RESIGNED | Director | 01 Feb 1999 | 15 Feb 2004 | England | October 1962 | 10 Brownberrie Avenue, Horsforth, Leeds, LS18 5PN |
| HAMPSON, Shaun Michael RESIGNED | Director | 14 Mar 2006 | 22 Sep 2015 | England | August 1968 | 43 St Chad's Close, Stone, Staffordshire, ST15 8QA |
| HELL, Harald RESIGNED | Director | 06 Feb 2013 | 30 Apr 2015 | Germany | April 1961 | Sterling Fluid Systems Holdings Gmbh, Lindenstrasse 170, Itzehoe, Schleswig - Holstein, 25524, Germany |
| HERRON, Patrick Thomas RESIGNED | Director | 01 Feb 2002 | 22 Sep 2015 | United Kingdom | January 1948 | 87 Redmires Road, Sheffield, South Yorkshire, S10 4LB |
| JOHNSON, Christopher Denis RESIGNED | Director | 17 Nov 1993 | 08 Aug 2000 | | April 1947 | 21 Cherry Grove, Hungerford, Berkshire, RG17 0HP |
| LUKES, Antony John RESIGNED | Director | 17 Nov 1993 | 17 Nov 1993 | | April 1940 | 1 Rickyard, Water Lane Sherington, Newport Pagnell, Buckinghamshire, MK16 9NP |
| MACHIN, Trevor John RESIGNED | Director | 01 Oct 2016 | 01 Aug 2019 | England | November 1966 | Prospect Road, Prospect Road, Crook, County Durham, DL15 8JL, England |
| MCMAHON, Roger RESIGNED | Director | 21 Oct 2004 | 24 Jan 2013 | England | November 1957 | 19 Conisboro Avenue, Caversham Caversham Heights, Reading, Berkshire, RG4 7JB |
| MEEHAN, Kevin Anthony RESIGNED | Director | 12 Jun 2015 | 21 Sep 2015 | Uk | May 1958 | Flowserve Gb Ltd, Hawton Lane, Balderton, Newark, Notts, NG24 3BU |
| MOHRDIECK, Erich RESIGNED | Director | 01 Nov 2004 | 01 Apr 2010 | Germany | July 1961 | Sachsenweg 12, Uremper Heide, Schleswig- Holstein 25569, Germany |
| O'KELLY, Paul Brian RESIGNED | Director | 15 Jun 1998 | 30 Sep 2005 | | December 1957 | Bagley Edge Badger Lane, Oxford, Oxfordshire, OX1 5BL |
| ONSLOW, Alexander RESIGNED | Director | 12 Mar 2009 | 24 Jan 2013 | United Kingdom | February 1973 | 13, St. Marys Road, Penketh, Warrington, Cheshire, WA5 2DT, United Kingdom |
| SALIBA, Jacob RESIGNED | Director | | 17 Nov 1993 | | June 1913 | 4368 Prudential Tower, Boston, Massachusettes 02199, United States Of America |
| SHEVLIN, Owen RESIGNED | Director | 17 Nov 1993 | 19 Jun 2000 | United Kingdom | April 1952 | 2 The Rickyard, Ardington, Oxfordshire, OX12 8PG |
| SMITH, Timothy John RESIGNED | Director | 01 Feb 1994 | 30 Jun 1998 | | December 1951 | Greenacre Church Road, Crowfield, Ipswich, Suffolk, IP6 9TG |
| TRITTIN, Wolfgang Ernst RESIGNED | Director | 18 Feb 2002 | 24 Jul 2003 | | April 1956 | Rosenstrasse 9, Gallingen, D-78262, Germany |
| TUBB, Ronald RESIGNED | Director | 04 Jul 2000 | 15 Jan 2001 | | November 1947 | Lower Butts, Llangarron, Ross On Wye, Herefordshire, HR9 6PA |
| WEAVER, Barry Reginald RESIGNED | Director | 18 Feb 2002 | 28 Feb 2006 | Germany | June 1951 | Wegzoll 5, Hamburg, 22393, FOREIGN, Germany |
| WINDMILL, Robert John RESIGNED | Nominee Director | 17 Nov 1993 | 17 Nov 1993 | | October 1941 | 3 Gunter Grove, London, SW10 0UN |
| WITTEKINDT, Widu, Doctor RESIGNED | Director | 02 Feb 2001 | 27 Nov 2001 | | November 1940 | Fliederstrasse 16, Achim, 28832, Germany |