| INVENSYS SECRETARIES LIMITED ACTIVE | Secretary | 31 Mar 1999 | | | | Invensys House, Carlisle Place, London, SW1P 1BX |
| CLAYTON, John Reginald William ACTIVE | Director | 01 May 2001 | | England | December 1950 | Matley House, Grange Lane, Little Dunmow, Great Dunmow, Essex, CM6 3HY |
| SPENCER, Rachel Louise ACTIVE | Director | 01 Nov 1999 | | United Kingdom | February 1966 | The Cottage, Amy Lane, Chesham, Buckinghamshire, HP5 1NB |
| DAVIES, Nigel James Maxwell RESIGNED | Secretary | | 13 Jul 1992 | | | 3 Moat End, Bierton, Aylesbury, Buckinghamshire, HP22 5DW |
| APV NOMINEES LIMITED RESIGNED | Secretary | 20 Apr 1993 | 31 Mar 1999 | | | B T R Plc, Btr House, Carlisle Place, London, SW1P 1BX |
| HALL-THERMOTANK MEDAFRIC LIMITED RESIGNED | Secretary | 13 Jul 1992 | 20 Apr 1993 | | | 1 Lygon Place, London, SW1W 0JR |
| BALDWIN, Richard Keith, Dr RESIGNED | Director | | 05 Mar 1993 | United Kingdom | May 1944 | The Shaugh, Upper Hartfield, East Sussex, TN7 4DP |
| BAYS, James Claude RESIGNED | Director | 01 Nov 1999 | 30 Mar 2001 | | July 1949 | 28 Elmstone Road, Fulham, London, SW6 5TN |
| BRIGGS, Nigel David RESIGNED | Director | 31 Dec 1995 | 31 Oct 1997 | England | March 1953 | Ermewood House, 7 Burnmoor Meadow, Finchampstead, Wokingham, RG40 3TX |
| COLES, Richard Paul Atwell RESIGNED | Director | 24 Oct 1997 | 31 Jan 2003 | | November 1942 | 30 Devereux Road, Windsor, Berkshire, SL4 1JJ |
| MACDONALD, Robert Somerled RESIGNED | Director | 05 Mar 1993 | 31 Aug 1997 | | October 1955 | 22 Foliot Street, East Acton, London, W12 0BQ |
| MANN, Roger RESIGNED | Director | 24 Oct 1997 | 31 Dec 1998 | | June 1939 | 13 Beverley Close, Lingwood, Camberley, Surrey, GU15 1HF |
| PARKER, Timothy John RESIGNED | Director | | 24 Nov 1995 | England | August 1942 | Eastfield, 115 Cuckfield Road, Hurstpierpoint, West Sussex, BN6 9RS |