| VERSLUYS, Emma Gayle ACTIVE | Secretary | 28 Jun 2017 | | | | 4, Victoria Place, Holbeck, Leeds, LS11 5AE, England |
| PULLEN, Timothy Neil ACTIVE | Director | 01 Nov 2023 | | England | November 1977 | 4, Victoria Place, Holbeck, Leeds, LS11 5AE, England |
| VORIH, Joseph Michael ACTIVE | Director | 28 Feb 2022 | | England | July 1967 | 4, Victoria Place, Holbeck, Leeds, LS11 5AE, England |
| DAVIES, John Garfield RESIGNED | Secretary | | 21 Nov 1994 | | | 24 Stembridge House, The Crescent Llandaff, Cardiff, CF4 2DL |
| PARRY, Robert John RESIGNED | Secretary | 21 Nov 1994 | 18 Aug 2015 | | | 114 Rhydypenau Road, Cyncoed, Cardiff, South Glamorgan, CF23 6PW |
| PAYNE, Martin Keith RESIGNED | Secretary | 25 May 2016 | 28 Jun 2017 | | | Polypipe Ltd, Broomhouse Lane, Edlington, Doncaster, South Yorkshire, DN12 1ES |
| SHEPHERD, Peter David RESIGNED | Secretary | 18 Aug 2015 | 25 May 2016 | | | Polypipe Ltd, Broomhouse Lane, Edlington, Doncaster, South Yorkshire, DN12 1ES, England |
| BIGGS, Colin John RESIGNED | Director | 01 Sep 1995 | 01 Feb 2000 | | January 1962 | 3 Mount Pleasant, Cefn Road, Blackwood, Gwent, NP2 1PZ |
| BRADLEY, John RESIGNED | Director | 25 Nov 2000 | 31 Aug 2006 | | December 1963 | 8 Maes Y Briallu, Morganstown, Cardiff, CF15 8FA |
| DAVIES, John Garfield RESIGNED | Director | | 04 Apr 1995 | | July 1949 | 24 Stembridge House, The Crescent Llandaff, Cardiff, CF4 2DL |
| DILBEY, Brian John RESIGNED | Director | | 31 Dec 1994 | | July 1931 | 26 Tangier Road, Guildford, Surrey, GU1 2DF |
| DUCZENKO, Robert RESIGNED | Director | 25 Nov 2000 | 07 Nov 2011 | United Kingdom | January 1961 | Rocco, 77 Maingate Hepworth, Holmfirth, West Yorkshire, HD9 1TJ |
| DUCZENKO, Robert RESIGNED | Director | 08 Dec 1993 | 04 Jan 1999 | | March 1961 | 52 Treetops, Portskewett, Newport, Gwent, NP6 4RT |
| FITZPATRICK, David Peter RESIGNED | Director | 01 May 1999 | 01 Feb 2000 | | February 1966 | 12 Rockfield Way, Undy, Caldicot, Gwent, NP26 3FD |
| FUSSELL, Michael John RESIGNED | Director | | 01 Feb 2000 | | June 1943 | 1 Royal Oak Close, Machen, Newport, Gwent, NP1 8SP |
| GLOVER, Wayne RESIGNED | Director | 01 Mar 1999 | 01 Feb 2000 | | November 1966 | 35 Greenways, Abernant, Aberdare, Mid Glamorgan, CF44 0GW |
| GOTT, Reginald Lawrence RESIGNED | Director | 02 Feb 2009 | 31 May 2012 | United Kingdom | July 1957 | Woodland House, 77a Main Road Kempsey, Worcester, Worcestershire, WR5 3NB |
| HALL, David Graham RESIGNED | Director | 18 Aug 2015 | 02 Oct 2017 | England | April 1958 | Polypipe Ltd, Broomhouse Lane, Edlington, Doncaster, South Yorkshire, DN12 1ES, England |
| HUXTABLE, Mark RESIGNED | Director | 25 Nov 2000 | 18 Aug 2015 | Wales | September 1962 | Heol Fawr, Rogerstone, Newport, NP10 9GR |
| HUXTABLE, Mark RESIGNED | Director | 08 Dec 1993 | 04 Jan 1999 | | September 1962 | 36 Harlech Drive, Rhiwderin, Newport, Gwent, NP1 9QS |
| JAMES, Paul Anthony RESIGNED | Director | 16 Mar 2018 | 30 Sep 2023 | England | February 1967 | 4, Victoria Place, Holbeck, Leeds, LS11 5AE, England |
| MOSS, Brian Peter RESIGNED | Director | | 04 Jan 1999 | | April 1936 | 5 Stuart Avenue, Ealing, London, W5 3QJ |
| PARRY, Robert John RESIGNED | Director | | 18 Aug 2015 | Wales | April 1958 | 114 Rhydypenau Road, Cyncoed, Cardiff, South Glamorgan, CF23 6PW |
| PAYNE, Martin Keith RESIGNED | Director | 25 May 2016 | 28 Feb 2022 | England | July 1965 | 4, Victoria Place, Holbeck, Leeds, LS11 5AE, England |
| SHEPHERD, Peter David RESIGNED | Director | 18 Aug 2015 | 25 May 2016 | England | July 1956 | Polypipe Ltd, Broomhouse Lane, Edlington, Doncaster, South Yorkshire, DN12 1ES, England |
| TACK, Alfred RESIGNED | Director | | 28 Jan 1993 | | September 1906 | 1 Chelsea House 24 Lowndes Street, London, SW1 |
| TACK, George RESIGNED | Director | | 04 Feb 1992 | | July 1904 | 27 Bryanston Court, London, W1H 7HA |
| TERRY, Richard Paul Stephen RESIGNED | Director | 21 Mar 1995 | 31 Mar 1997 | | November 1959 | 94 Caerphilly Road, Cardiff, South Glamorgan, CF4 4AG |
| WILCOX, David Henry RESIGNED | Director | 25 Nov 2000 | 30 Sep 2005 | Wales | September 1944 | Blaeneinon, Rhydowen, Llandysul, Dyfed, SA44 4QA |
| WILCOX, David Henry RESIGNED | Director | | 04 Jan 1999 | Wales | September 1944 | Blaeneinon, Rhydowen, Llandysul, Dyfed, SA44 4QA |
| WRIGHT, Alan Thomson RESIGNED | Director | 30 Sep 2005 | 29 Apr 2008 | | December 1951 | 12 Western Courtyard, Talygarn, Pontyclun, Rct, CF72 9WR |