| KELLY, Susan Kathleen ACTIVE | Secretary | 22 Jan 2010 | | | | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| ALLEN, Jennifer Frances Huihana ACTIVE | Director | 27 Sep 2023 | | England | October 1984 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| BLACK, Jonathan Philip ACTIVE | Director | 06 Dec 2016 | | England | May 1976 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| BLAND, Julian Michael ACTIVE | Director | 30 Sep 2018 | | England | April 1967 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| WILLIAMS, Sally Ann ACTIVE | Director | 14 Jun 2011 | | England | August 1970 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| CHAPMAN, Paul Jonathan RESIGNED | Secretary | 24 Feb 1999 | 05 Aug 2011 | | | Leengate Welding Group Ltd, Redfield Road Lenton, Nottingham, Nottinghamshire, NG7 2UJ |
| GODLEY, Russell Christopher RESIGNED | Secretary | 01 Apr 1991 | 05 Aug 2011 | | | Leengate Welding Group Ltd, Redfield Road, Lenton Lane Industrial Estate, Nottingham, Nottinghamshire, NG7 2UJ |
| HARWOOD, Charlotte Louise Ann RESIGNED | Secretary | 20 Oct 2019 | 08 Feb 2020 | | | The Linde Group, The Priestley Centre, 10 Priestley Road, The Surrey Research Park, Guildford, Surrey, GU2 7XY, England |
| NOWICKI, Betty RESIGNED | Secretary | | 01 Apr 1991 | | | The Old Vicarage, Bradmore Road, Wysall, Nottingham, Nottinghamshire, NG12 5QR |
| BETTY, Neill Christopher RESIGNED | Director | 16 Aug 2006 | 25 Jan 2008 | | October 1969 | Leengate Welding Group Ltd, Redfield Road, Lenton Lane Industrial Estate, Nottingham, NG7 2UJ |
| CHAPMAN, Paul Jonathan RESIGNED | Director | 01 Feb 2002 | 07 Dec 2011 | United Kingdom | January 1966 | Leengate Welding Group Ltd, Redfield Road Lenton, Nottingham, Nottinghamshire, NG7 2UJ |
| DENNIS, Michael RESIGNED | Director | 13 Apr 2007 | 01 Apr 2012 | | November 1958 | Boc Limited, Boc Limited, Priestley Centre, 10 Priestley Road, Guildford, Surrey, GU2 7XY, England |
| FORD, James Alexander RESIGNED | Director | 08 Oct 1997 | 01 Nov 2002 | | January 1948 | 2 Parkside Place, East Horsley, Leatherhead, Surrey, KT24 5BZ |
| GEARING, Richard John Newton RESIGNED | Director | 01 Nov 2002 | 13 Apr 2007 | | September 1962 | The Linde Group, The Priestley Centre, 10 Priestley Road, Guildford, Surrey, GU2 7XY |
| GILL, Graham RESIGNED | Director | 06 Dec 2016 | 06 Oct 2023 | England | August 1962 | Linde, Forge, 43 Church Street West, Woking, Surrey, GU21 6HT, England |
| GODLEY, Russell Christopher RESIGNED | Director | 06 Jan 1994 | 30 Sep 2011 | United Kingdom | October 1958 | Leengate Welding Group Ltd, Redfield Road, Lenton Lane Industrial Estate, Nottingham, Nottinghamshire, NG7 2UJ |
| HADEN, Colin Dale RESIGNED | Director | 01 Apr 1999 | 17 Dec 2003 | | August 1961 | 17 Azalea Avenue, Lindford, Hampshire, GU35 0YD |
| HARDY, Alan RESIGNED | Director | 08 Oct 1997 | 19 Oct 1998 | | March 1966 | 82 Heathermount Drive, Crowthorne, Berkshire, RG45 6HN |
| HUDSON, Stuart RESIGNED | Director | 02 Dec 2011 | 16 Dec 2016 | England | October 1971 | The Linde Group The Priestley Centre, The Linde Group, The Priestley Centre, 10 Priestley Road, Surrey Research Park, Guildford, Surrey, GU2 7XY, England |
| KARKUT, Mieczyslaw John RESIGNED | Director | | 02 Feb 1999 | | May 1935 | 72 Lambourne Drive, Wollaton, Nottingham, Nottinghamshire, NG8 1GR |
| NOWICKI, Andrew RESIGNED | Director | | 08 Oct 1997 | | February 1952 | 9 Wayte Court, Landmere Lane, Ruddington, Nottingham, NG11 6ND |
| NOWICKI, Christopher RESIGNED | Director | 23 Aug 1994 | 08 Oct 1997 | | November 1955 | 68 The Ropewalk, Nottingham, Nottinghamshire, NG1 5DW |
| NOWICKI, Leon RESIGNED | Director | | 08 Oct 1997 | England | February 1926 | The Old Vicarage, Bradmore Road, Wysall, Nottingham, Nottinghamshire, NG12 5QR |
| NOWICKI, Michael RESIGNED | Director | | 08 Oct 1997 | England | November 1953 | Mead Lodge, Grange Road, Edwalton, Nottingham, NG12 4BT |
| NOWICKI, Timothy RESIGNED | Director | 23 Aug 1994 | 08 Oct 1997 | | August 1957 | Winthorpe House Gainsborough Road, Winthorpe, Newark, Nottinghamshire, NG24 2NN |
| O'BRIEN, Kevin RESIGNED | Director | 08 Oct 1997 | 17 Dec 2003 | | April 1952 | Max House, Oakhanger, Bordon, Hampshire, GU35 9JN |
| PALMER, Nathan RESIGNED | Director | 02 Apr 2012 | 15 Apr 2016 | England | December 1970 | The Linde Group, The Priestley Centre, 10 Priestley Road, Guildford, Surrey, GU2 7XY, England |
| ROBINSON, Alan William RESIGNED | Director | 30 Jun 2001 | 31 Mar 2005 | England | November 1965 | 16 Fairlawn Grove, London, W4 5EH |
| SEAMAN, Raymond Leslie RESIGNED | Director | | 23 Sep 1996 | | August 1947 | Yew Trees 34 Park Road, Spondon, Derby, Derbyshire, DE21 7LN |
| TURNER, Peter Andrew RESIGNED | Director | 19 Oct 1998 | 30 Jun 2001 | | May 1970 | 24 Longfield Street, London, SW18 5RE |
| WALKER, Raymond RESIGNED | Director | 01 Feb 2002 | 06 Sep 2012 | | May 1957 | Leengate Welding Group Ltd, Redfield Road, Lenton Lane Industrial Estate, Nottingham, Nottinghamshire, NG7 2UJ |