| Alan Barrett | Director | 16 Nov 1995 | 26 Feb 2001 | British | 73 years |
| Andrew Christopher Bolter | Director | 3 Sept 2012 | 17 Apr 2013 | British | 56 years |
| Bernard Desmond Andrews | Director | 17 May 1992 | 30 Apr 1994 | British | 92 years |
| Christopher Julian Sims | Director | 2 Sept 1992 | 4 Jun 1996 | British | 68 years |
| David Anthony Alan Reeves | Director | 1 Dec 1993 | 8 Jul 1997 | British | 86 years |
| David Antony Smith | Director | 29 Jul 2022 | 3 Oct 2023 | British | 41 years |
| Deborah Grimason | Director | 16 Apr 2013 | 20 Nov 2013 | British | 63 years |
| Donald Lightfoot | Director | 9 Dec 1992 | 11 May 1999 | British | 78 years |
| George Frank Cliffe | Director | 17 May 1992 | 31 Dec 1994 | British | 90 years |
| George William Bolsover | Director | 1 Jan 1995 | 13 Mar 2000 | British | 76 years |
| Guy Franklin Young | Director | 1 Feb 2011 | 17 Apr 2013 | South African | 57 years |
| James Richard Stirk | Secretary | 16 May 2005 | 30 Nov 2012 | British | - |
| Johannes Frederick Van Blerk Serfontein | Director | 1 Aug 2006 | 1 Feb 2011 | South African | 58 years |
| John Albert Larkin | Director | 17 May 1992 | 30 Mar 2001 | British | 82 years |
| John Albert Larkin | Secretary | 17 May 1992 | 30 Mar 2001 | British | - |
| John Anthony Richardson | Director | 1 Nov 1994 | 11 May 1999 | British | 79 years |
| John Christopher Barritt | Director | 1 May 1994 | 16 Nov 1995 | British | 79 years |
| John Cowan Graham | Director | 17 May 1992 | 30 Sept 1992 | British | 92 years |
| John Crofts | Director | 17 May 1992 | 30 Sept 1993 | British | 89 years |
| John Ferguson Bowater | Director | 1 Dec 1993 | 3 Feb 2004 | British | 77 years |
| John Kerr Lindsay | Director | 15 Jul 2019 | 29 Jul 2022 | British | 65 years |
| John Richard Bradshaw | Secretary | 30 Nov 2012 | 16 Apr 2013 | British | - |
| Mark Wilson Joel | Director | 1 Aug 2011 | 17 Apr 2013 | British | 63 years |
| Martin Kenneth Riley | Director | 16 Apr 2013 | 4 May 2021 | British | 59 years |
| Michael Daniel Ward | Director | 17 May 1992 | 31 Oct 1994 | British | 90 years |
| Michael John Pettifor | Director | 8 Jul 1997 | 11 May 1999 | British | 85 years |
| Michael Ronald Taylor | Director | 17 May 1992 | 11 May 1999 | British | 83 years |
| Paul Francis William Cottrell | Director | 16 Apr 2013 | 15 Jul 2019 | British | 60 years |
| Peter John Gillatt | Director | 17 May 1992 | 30 Jun 1992 | British | 66 years |
| Peter William Richards | Director | 17 May 1992 | 30 Apr 1993 | British | 90 years |
| Robert Ian Findlater | Director | 24 Apr 1997 | 26 May 2000 | British | 71 years |
| Robert Ian Walter Boyd | Director | 30 Mar 2001 | 3 Feb 2004 | British | 81 years |
| Robert Ian Walter Boyd | Secretary | 30 Mar 2001 | 3 Feb 2004 | British | - |
| Tarmac Nominees Limited | Corporate Director | 2 Feb 2004 | 16 May 2005 | United Kingdom | - |
| Tarmac Nominees Two Limited | Corporate Director | 2 Feb 2004 | 16 May 2005 | United Kingdom | - |
| Tarmac Nominees Two Limited | Corporate Secretary | 3 Feb 2004 | 16 May 2005 | United Kingdom | - |
| Terence Robert Last | Director | 16 May 2005 | 17 Apr 2013 | British | 76 years |
| Timothy Charles Jackson | Director | 16 May 2005 | 31 Jul 2006 | British | 74 years |