| MILTON, Philip David ACTIVE | Secretary | 12 Oct 2013 | | | | 24, Cranborne Avenue, Westcroft, Milton Keynes, MK4 4BH, England |
| MASTERS, Peter John ACTIVE | Director | 01 Apr 2026 | | England | April 1962 | 24, Cranborne Avenue, Westcroft, Milton Keynes, MK4 4BH, England |
| MILTON, Philip David ACTIVE | Director | 01 Apr 2026 | | England | March 1974 | 24, Cranborne Avenue, Westcroft, Milton Keynes, MK4 4BH, England |
| THOMAS, Charlotte Jane ACTIVE | Director | 25 Nov 2020 | | England | July 1985 | Pennings Group, Cherrycourt Way, Leighton Buzzard, LU7 4UH, England |
| WOODHOUSE, Benjamin ACTIVE | Director | 20 Jul 2022 | | England | August 1973 | 8, Cherrycourt Way, Leighton Buzzard, LU7 4UH, England |
| BANKS, Peter RESIGNED | Secretary | 08 Oct 1999 | 13 Jul 2003 | | | The Moorings, 5 Yew Tree Drive Lostock, Bolton, Lancashire, BL6 4DA |
| BATES, Ian RESIGNED | Secretary | | 24 Jul 1996 | | | Kobayashi Maru, 7 Saracens Wharf Fenny Stratford, Milton Keynes, MK2 2AL |
| HISKETT, Geoffrey Ian RESIGNED | Secretary | 24 Jul 1995 | 27 Aug 1999 | | | 5 Sundon Road, Streatley, Luton, Bedfordshire, LU3 3PL |
| HOBBS, Peter RESIGNED | Secretary | 10 Mar 2005 | 06 Sep 2011 | | | 56 Cottingham Grove, Bletchley, Milton Keynes, Buckinghamshire, MK3 5AX |
| WARE, Juliet RESIGNED | Secretary | 31 Aug 2011 | 11 Oct 2013 | | | Lindal Valve Company Limited, Cherrycourt Way, Leighton Buzzard, Bedfordshire, LU7 4UH, United Kingdom |
| WOODWORTH, Marshall RESIGNED | Secretary | 29 Apr 2003 | 10 Mar 2005 | | | 92 Stanhope Road, Bowdon, Cheshire, WA14 3JL |
| BAMFORD, Paul Dennis RESIGNED | Director | 06 Sep 2016 | 21 May 2019 | England | March 1960 | Lindal Valve Company Limited, Cherrycourt Way, Leighton Buzzard, LU7 4UH, England |
| BANKS, Peter RESIGNED | Director | 08 Oct 1999 | 13 Jul 2003 | | May 1939 | The Moorings, 5 Yew Tree Drive Lostock, Bolton, Lancashire, BL6 4DA |
| BATES, Ian RESIGNED | Director | | 24 Jul 1996 | England | December 1957 | Kobayashi Maru, 7 Saracens Wharf Fenny Stratford, Milton Keynes, MK2 2AL |
| BRAZIER, Keith Roy RESIGNED | Director | 24 Jul 1996 | 24 Oct 1996 | | May 1952 | Kingsway Farm, Miletree Road Heath And Reach, Leighton Buzzard, Bedfordshire, LU7 9LA |
| BRAZIER, Roy Charles Edward RESIGNED | Director | | 24 Oct 1996 | | April 1926 | 4 Holt Grove, Loughton, Milton Keynes, Buckinghamshire, MK5 8EZ |
| CHADBURN, Laura Annette RESIGNED | Director | 25 Jul 2011 | 31 May 2013 | United Kingdom | February 1968 | Lindal Valve Company Limited, Cherrycourt Way, Stanbridge Road, Leighton Buzzard, Bedfordshire, LU7 4UH, United Kingdom |
| COMPTON, Kenneth Erwin RESIGNED | Director | 26 Feb 2001 | 10 Feb 2005 | | May 1952 | 225 Keswick Farm Road, Spartanburg, South Carolina Sc 29304, Usa |
| HISKETT, Geoffrey Ian RESIGNED | Director | 24 Oct 1996 | 27 Aug 1999 | England | July 1957 | 5 Sundon Road, Streatley, Luton, Bedfordshire, LU3 3PL |
| HOBBS, Peter RESIGNED | Director | 10 Mar 2005 | 25 Jul 2011 | United Kingdom | November 1957 | 56 Cottingham Grove, Bletchley, Milton Keynes, Buckinghamshire, MK3 5AX |
| MAGILL, Alan Robert RESIGNED | Director | 10 Mar 2005 | 25 Jul 2011 | United Kingdom | May 1944 | The Hawthorns, 21 Verley Close, Woughton-On-The-Green, Milton Keynes, MK6 3ER |
| MASTERS, Peter John RESIGNED | Director | 25 Jul 2011 | 06 Sep 2016 | England | April 1962 | Clipper House, Leighton Industrial Park, Billington Road, Leighton Buzzard, Bedfordshire, LU7 3JT, England |
| WILFONG, David RESIGNED | Director | 14 Dec 1998 | 26 Feb 2001 | | February 1956 | Bluebell Corner Deadhearn Lane, Chalfont St Giles, Buckinghamshire, HP8 4HG |
| WILSON, Andrea Claire RESIGNED | Director | 07 Aug 2013 | 27 Mar 2026 | England | September 1972 | Hone All Limited, Unit 4, Cherrycourt Way, Leighton Buzzard, LU7 4UH, England |
| WOODWORTH, Marshall RESIGNED | Director | 29 Apr 2003 | 10 Mar 2005 | | February 1958 | 92 Stanhope Road, Bowdon, Cheshire, WA14 3JL |
| ZANDONA, Roberto RESIGNED | Director | 25 Jul 2011 | 03 Sep 2015 | United Kingdom | March 1964 | Lindal Valve Company Limited, Cherrycourt Way, Stanbridge Road, Leighton Buzzard, Bedfordshire, LU7 4UH, United Kingdom |