| PIOTROWSKI, William Kaz ACTIVE | Secretary | 03 May 2022 | | | | 180, Glastonbury Blvd., Suite 201, Glastonbury, Connecticut, 06033, United States |
| OAKWOOD CORPORATE SECRETARY LIMITED ACTIVE | Secretary | 18 Mar 2024 | | | | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| PIOTROWSKI, William Kaz ACTIVE | Director | 03 May 2022 | | United States | April 1979 | 180, Glastonbury Blvd., Suite 201, Glastonbury, Connecticut, 06033, United States |
| WELDING, Gary Antony ACTIVE | Director | 07 Sep 2023 | | United Kingdom | September 1968 | Unifrax Limited, Mill Lane, Rainford, St Helens, Merseyside, WA11 8LP, United Kingdom |
| WHALLEY, Matthew David ACTIVE | Director | 06 Nov 2025 | | United Kingdom | January 1988 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT |
| DRAFFEN, Norma RESIGNED | Secretary | | 30 Sep 1992 | | | 53 Maria Drive, Fairfield, Stockton On Tees, Cleveland, TS19 7JN |
| GILES, Gary Michael RESIGNED | Secretary | 13 Jan 2006 | 12 Oct 2006 | | | 7 Filey Close, Redcar, Cleveland, TS10 2QQ |
| JONES, David Barrington RESIGNED | Secretary | 30 Sep 1992 | 13 Jan 2006 | | | Corngrave House Four Lane Ends, Upleatham, Redcar, Cleveland, TS11 8AD |
| LORD, Ian Burnham RESIGNED | Secretary | 19 Jan 2007 | 20 Feb 2014 | | | 2 Highfield Road, Edenfield, Ramsbottom, Bury, BL0 0LB |
| MCDANIEL, Chad Allen RESIGNED | Secretary | 20 Feb 2014 | 04 Jan 2022 | | | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| PARRY, Ian Noel RESIGNED | Secretary | 12 Oct 2006 | 19 Jan 2007 | | | Glengarry 32 East Beach, Lytham St Annes, Lancashire, FY8 5EX |
| ANDREW, Edward Duxbury RESIGNED | Director | | 20 Feb 2014 | England | September 1936 | Greystones, Moorgate Lane, Dinckley, Blackburn, Lancashire, BB6 8AN |
| BAMBER, Paul Mitchell RESIGNED | Director | 01 Jul 2010 | 20 Feb 2014 | England | February 1953 | Walton House, Sykeside Drive, Altham Business Park, Altham, Accrington, Lancashire, BB5 5YE, United Kingdom |
| BARNHART, Dale Gregory RESIGNED | Director | 20 Feb 2014 | 18 Nov 2019 | United States | July 1952 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| BICKFORD, Julian Robert RESIGNED | Director | 29 Feb 2008 | 04 Nov 2011 | England | October 1962 | 11 Hyacinth Close, Helmshore, Haslingden, Rossendale, BB4 6JU |
| BUTTERWORTH, Rodney RESIGNED | Director | | 19 Jan 2007 | | August 1944 | 515 Newchurch Road, Rossendale, Lancashire, BB4 7TR |
| CROPPER, Ian Harvey RESIGNED | Director | 04 Mar 2013 | 20 Mar 2015 | England | March 1972 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| DIXON, Iain Stuart RESIGNED | Director | 29 Feb 2008 | 12 Apr 2017 | England | January 1962 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| GIBSON, Andrew Victor RESIGNED | Director | 02 May 2025 | 01 Nov 2025 | United Kingdom | January 1967 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT |
| GIBSON, Andrew Victor RESIGNED | Director | 13 Jan 2017 | 03 May 2022 | United Kingdom | January 1967 | Hareholme Mill, Bacup Road, Rawtenstall, Lancashire, BB4 7JL, United Kingdom |
| HEATH, Robert Seaman RESIGNED | Director | 04 Mar 2013 | 20 Feb 2014 | England | August 1950 | Andrew Webron Filtration Ltd, Bycars Road, Stoke-On-Trent, ST6 1BY, England |
| JULIAN, Robert Keith RESIGNED | Director | 20 Feb 2014 | 01 May 2015 | United States | August 1962 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| LORD, Ian Burnham RESIGNED | Director | 19 Jan 2007 | 20 Feb 2014 | United Kingdom | May 1952 | 2 Highfield Road, Edenfield, Ramsbottom, Bury, BL0 0LB |
| MCDANIEL, Chad Allen RESIGNED | Director | 18 Nov 2019 | 04 Jan 2022 | United States | August 1973 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| PARRY, Ian Noel RESIGNED | Director | | 16 Jun 2009 | | December 1945 | Glengarry 32 East Beach, Lytham St Annes, Lancashire, FY8 5EX |
| PARRY, Jennifer Anne RESIGNED | Director | | 01 Dec 2006 | | August 1946 | Glengarry 32 East Beach, Lytham St Annes, Lancashire, FY8 5EX |
| SMITH, Elaine Susan RESIGNED | Director | 03 May 2022 | 28 May 2024 | United Kingdom | July 1969 | Unifrax Limited, Mill Lane, Rainford, St Helens, Merseyside, WA11 8LP, United Kingdom |
| STANLEY, Nigel Robert RESIGNED | Director | 04 Mar 2013 | 29 Feb 2016 | England | April 1954 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT, United Kingdom |
| TAYLOR, Dennis Thomas RESIGNED | Director | 19 Jan 2007 | 28 Feb 2009 | United Kingdom | March 1952 | Rookery Barn, Off Red Lane, Alkincoates Colne, Lancashire, BB8 7JW |
| TURNER, David Ian RESIGNED | Director | 02 May 2025 | 12 Mar 2026 | United Kingdom | July 1972 | 3rd Floor, 1 Ashley Road, Altrincham, Cheshire, WA14 2DT |