| FAIREST, Daniel Steven ACTIVE | Director | 01 Jul 2022 | | England | February 1975 | Inductotherm Europe Limited, The Furlong, Berry Hill Industrial Estate, Droitwich, WR9 9AH, England |
| KAY, Allan Hugh ACTIVE | Director | 16 Jan 2026 | | Scotland | November 1966 | Volt Works, Lovell Street, Sheffield, S4 7UW |
| NUTT JR, Michael Howard ACTIVE | Director | 16 Jan 2026 | | United States | March 1968 | Volt Works, Lovell Street, Sheffield, S4 7UW |
| RAFFNER, Bernard Maurice ACTIVE | Director | 18 Jun 2013 | | United States | April 1947 | Volt Works, Lovell Street, Sheffield, S4 7UW |
| FLETCHER, John Frederick RESIGNED | Secretary | 08 Dec 1997 | 30 Jun 2016 | | | Hiraeth, 30 Showell Road, Droitwich, Worcestershire, WR9 8UY |
| HUNT, David James RESIGNED | Secretary | 18 Nov 1992 | 08 Dec 1997 | | | Hunters Lodge Barn Lane, Sedgeberrow, Evesham, Worcs, WR11 6UR |
| THOMAS, Howard RESIGNED | Nominee Secretary | 18 Nov 1992 | 18 Nov 1992 | | | 50 Iron Mill Place, Crayford, Kent, DA1 4RT |
| CIGNETTI, Nicolas RESIGNED | Director | 18 Nov 1992 | 23 Apr 1997 | | October 1936 | 4836 Pond Drive, North Canton, Ohio 44720, Usa |
| FLETCHER, John Frederick RESIGNED | Director | 02 Jul 1996 | 30 Jun 2016 | United Kingdom | April 1948 | Hiraeth, 30 Showell Road, Droitwich, Worcestershire, WR9 8UY |
| GREEN, John Arthur RESIGNED | Director | 01 May 2001 | 31 Mar 2022 | United Kingdom | April 1956 | 30 St Michaels Close, Penkridge, Staffordshire, ST19 5AD |
| HAWKINS, Graham Edmund RESIGNED | Director | 18 Nov 1992 | 01 Jan 2016 | United Kingdom | August 1945 | 74 Ravenhurst Road, Harborne, Birmingham, West Midlands, B17 9SP |
| HAYWOOD, Ian Stuart RESIGNED | Director | 18 Nov 1992 | 02 Jul 1996 | | February 1942 | Greenacres Evesham Road, Uppermoor, Pershore, Wors, WR10 2JR |
| HILL, Stephen Nigel RESIGNED | Director | 18 Nov 1992 | 06 Jul 2019 | England | March 1956 | 3, Orchard Close, Fernhill Heath, Worcester, WR3 7WA, England |
| MORTIMER, John Herbert RESIGNED | Director | 18 Nov 1992 | 02 Feb 2004 | | May 1944 | 99 Sandhurst Drive, Mount Holly, New Jersey 08060, Usa |
| PERKS, John Stanley RESIGNED | Director | 18 Nov 1992 | 31 Mar 1993 | | December 1927 | 30 Sunnyside Road, Worcester, Worcestershire, WR1 1RL |
| ROWAN, Henry Madison RESIGNED | Director | 18 Nov 1992 | 02 Feb 2004 | | December 1925 | Rockbridge, Centerton Road, Rancocas, New Jersey, Usa |
| STEAR, Jonathan David RESIGNED | Director | 15 Jul 2019 | 16 Jul 2024 | England | March 1976 | Inductotherm Europe, The Furlong, Berry Hill Industrial Estate, Droitwich, WR9 9AH, England |
| TESTER, William Andrew Joseph RESIGNED | Nominee Director | 18 Nov 1992 | 18 Nov 1992 | United Kingdom | June 1962 | 4 Geary House, Georges Road, London, N7 8EZ |