| DAVIS, Elliot Staub ACTIVE | Secretary | 20 Oct 2008 | | | | 1000, Six Ppg Place, Pittsburgh, Pa 15222, United States |
| KEYSTONE LAW LIMITED ACTIVE | Secretary | 15 Jul 2020 | | | | 48, Chancery Lane, London, WC2A 1JF, United Kingdom |
| MCANDREWS, Lauren ACTIVE | Director | 02 May 2008 | | | October 1964 | 1000, Six Ppg Place, Pittsburgh, Pa 15222, United States |
| BONIME, Jonathon David RESIGNED | Secretary | 24 Mar 1998 | 18 Jan 2001 | | | 240 Trotwood Drive, Upper St. Claire, Pennsylvania, 15241, U.S.A. |
| DUDILL, Anthony Leonard RESIGNED | Secretary | 18 Jan 2001 | 01 Apr 2008 | | | 25, Croft Drive, Tickhill, Doncaster, South Yorkshire, DN11 9UL |
| GRAVITAS COMPANY SECRETARIAL SERVICES LIMITED RESIGNED | Secretary | 01 Apr 2008 | 21 Aug 2017 | | | One, New Change, London, EC4M 9AF |
| MWLAW SERVICES LIMITED RESIGNED | Secretary | 21 Aug 2017 | 15 Jul 2020 | | | Second Floor, 11 Pilgrim Street, London, EC4V 6RN, England |
| ALDERSON, Linda Margaret RESIGNED | Director | 20 Oct 1999 | 30 Sep 2014 | | January 1955 | 33 Sunnyside, Worksop, Nottinghamshire, S81 7LN |
| BARTRAM, John Derek RESIGNED | Director | 01 May 2002 | 11 Oct 2022 | | November 1958 | 429 Newbold Road, Chesterfield, Derbyshire, S41 8AG |
| BONIME, Jonathan David RESIGNED | Director | 03 Apr 1998 | 18 Jan 2001 | | January 1956 | 240 Trotwood Drive, Upper St Claire Pennsylvania 15241, Usa, FOREIGN |
| DODSON, Darryl Ray RESIGNED | Director | 03 Apr 1998 | 31 Aug 2000 | | October 1950 | Roche Abbey Mill Farm, Stone, Rotherham, South Yorkshire, S66 8NN |
| DUDILL, Anthony Leonard RESIGNED | Director | 31 Jul 2000 | 30 Jun 2020 | | January 1958 | 25, Croft Drive, Tickhill, Doncaster, South Yorkshire, DN11 9UL |
| GAMBAN, Russell RESIGNED | Director | 01 Oct 2014 | 11 May 2022 | England | November 1969 | Cyclops Works, President Way, Sheffield, South Yorkshire, S4 7UR, England |
| HARSHMAN, Richard Joseph RESIGNED | Director | 30 Nov 2003 | 06 Mar 2006 | | July 1956 | 165 Thousand Oaks Drive, Upper St. Clair, Pittsburgh, Pennsylvania 15241, United States |
| HATFIELD, Alan Richard RESIGNED | Director | 13 Apr 1999 | 01 May 2002 | | January 1947 | 16 Minster Close, Ecclesfield, Sheffield, South Yorkshire, S35 9XR |
| HEINS, Roger RESIGNED | Director | 06 Mar 2006 | 31 Dec 2015 | | May 1950 | 335 Hollydale Circle,, Upper St. Clair, Pennsylvania 15241, Usa |
| INGOLDSBY, James Michael RESIGNED | Director | 31 Dec 2015 | 31 Mar 2020 | United States | March 1951 | President Way Works, President Way, Sheffield, South Yorkshire, S4 7UR |
| MEARS, Brian RESIGNED | Director | 01 Dec 2009 | 10 May 2011 | England | November 1948 | Cyclops Works, President Way, Sheffield, South Yorkshire, S4 7UR |
| PARK, Robert Sherwood RESIGNED | Director | 24 Mar 1998 | 30 Nov 2003 | | September 1944 | 1341 Terrace Drive, Pittsburgh, PA15228, U.S.A. |
| PARKINSON, John Dumont RESIGNED | Director | 01 Oct 2011 | 11 Oct 2022 | United Kingdom | June 1948 | President Way Works, Presidents Way, Sheffield, S4 7UR, United Kingdom |
| PARKINSON, John Dumont RESIGNED | Director | 08 Nov 2004 | 01 Dec 2009 | United Kingdom | June 1948 | 10 Warminster Place, Norton, Sheffield, South Yorkshire, S8 8PU |
| PARROTT, David RESIGNED | Director | 13 Apr 1999 | 26 May 1999 | | July 1947 | 33 Snowdon Way, Brinsworth, Rotherham, South Yorkshire, S60 5JZ |
| PRIDGEON, John Warren RESIGNED | Director | 03 Apr 1998 | 14 Dec 1999 | | November 1935 | 10 Beauford House Bamford Mill, The Hollow Bamford, Hope Valley, Derbyshire, S33 0AU |
| THOMPSON, Ronald David RESIGNED | Director | 14 Dec 1999 | 15 Nov 2001 | | February 1962 | 5 Park Avenue, Sheffield, South Yorkshire, S10 3EY |
| TISHOK, John Michael RESIGNED | Director | 04 Oct 2001 | 02 May 2008 | | May 1956 | 1 Sunedecker Road, Amity, Pa 15311, United States |
| DALRIADA TRUSTEES LIMITED RESIGNED | Director | 01 Jul 2020 | 28 Jan 2022 | | | Linen Loft, Adelaide Street, Belfast, BT2 8FE, Northern Ireland |