| CLARK, Ann ACTIVE | Director | 01 Aug 2012 | | United States | May 1979 | Alloy Industrial, Estate, Pontardawe, Swansea, SA8 4HL |
| CLARK, Nicholas ACTIVE | Director | 01 Aug 2012 | | United Kingdom | September 1981 | Alloy Industrial, Estate, Pontardawe, Swansea, SA8 4HL |
| CLARK, William Petzold ACTIVE | Director | | | United States | July 1945 | 60 Kenwood Road, Grosse Point Farms, Michigan 48236, United States |
| DAVIES, Robert Wyn ACTIVE | Director | 16 May 2019 | | Wales | June 1970 | Alloy Industrial, Estate, Pontardawe, Swansea, SA8 4HL |
| CLARK, Nicholas RESIGNED | Secretary | 30 Aug 2013 | 10 May 2016 | | | Alloy Industrial, Estate, Pontardawe, Swansea, SA8 4HL |
| GREENWOOD, John Robert RESIGNED | Secretary | 01 Jul 1995 | 30 Apr 2000 | | | 41 High Street, Grovesend, Swansea, SA4 4GU |
| MORAN, Sean RESIGNED | Secretary | 15 May 2000 | 27 Jul 2012 | | | 15 Waun Y Felin, Penclawdd, Swansea, SA4 3RD |
| SKINNER, Kenneth Philip RESIGNED | Secretary | | 30 Jun 1995 | | | Flat 4 Bayswater Court, 2 Mumbles Road Blackpill, Swansea, West Glamorgan, SA5 7HF |
| TILSTON, Philip Andrew RESIGNED | Secretary | 14 Nov 2012 | 30 Aug 2013 | | | Alloy Industrial, Estate, Pontardawe, Swansea, SA8 4HL |
| WILLIAMS, Ian Vaughan RESIGNED | Secretary | 10 May 2016 | 27 Nov 2018 | | | Alloy Industrial, Estate, Pontardawe, Swansea, SA8 4HL |
| ALLNATT, Norman John RESIGNED | Director | | 31 May 2012 | Wales | July 1943 | 1 Dolgoy Gardens, West Cross, Swansea, West Glamorgan, SA3 5NF |
| BEST, Richard RESIGNED | Director | 28 Feb 2008 | 29 Jan 2009 | | August 1943 | 12001 Harbor Place, St. Clair Shores, Michigan 48080, Usa |
| BEST, Richard RESIGNED | Director | 28 Feb 2008 | 29 Jan 2009 | | August 1943 | 12001 Harbor Place, St. Clair Shores, Michigan 48080, Usa |
| CLARK, William Petzold RESIGNED | Director | | 27 Apr 1998 | | September 1921 | 60 Kenwood Road, Gross Pointe Farms, Michigan, FOREIGN, Usa |
| CURTIS, Stephen John, Mr. RESIGNED | Director | 18 Jun 2014 | 26 Oct 2018 | Wales | December 1961 | Alloy Industrial, Estate, Pontardawe, Swansea, SA8 4HL |
| DROBOT JUNIOR, Joseph A RESIGNED | Director | 26 Feb 2003 | 26 Nov 2007 | | December 1939 | 3254 E Breckenridge Lane, Bloomfield, Michigan 48301, United States |
| HART, Ralph Thomas RESIGNED | Director | | 21 Jul 1999 | | April 1930 | Grefsen House, 7 Findon Place, Findon Village, Aberdeen, AB1 4RN |
| MARIA, Joseph Mario RESIGNED | Director | | 25 Feb 2003 | | September 1935 | 36297 Old Homestead Drive, Farmington Hills, Michigan, Usa |
| NOLAN, Kevin John RESIGNED | Director | 01 Jun 2012 | 23 Jul 2013 | United Kingdom | November 1956 | Wall Colmonoy Limited, Alloy Industrial Estate, Pontardawe, Swansea, SA8 4HL, Wales |
| REINBACHER, Egon Rudolf RESIGNED | Director | 01 Aug 1999 | 31 May 2000 | | July 1940 | Im Schenkelsberg 35, Koblenz 56076, Germany, FOREIGN |
| RIDGE, Edward RESIGNED | Director | 29 May 2013 | 31 Mar 2015 | Usa | March 1949 | Alloy Industrial, Estate, Pontardawe, Swansea, SA8 4HL |
| STAINES, Anthony Martin, Dr RESIGNED | Director | 28 Apr 2010 | 01 Aug 2012 | England | July 1956 | Wall Colmonoy Limited, Alloy Industrial Estate, Pontardawe, Swansea, SA8 4HL |
| TILSTON, Philip Andrew RESIGNED | Director | 14 Nov 2012 | 30 Aug 2013 | England | September 1959 | Alloy Industrial, Estate, Pontardawe, Swansea, SA8 4HL |
| VERSTRAETE, Roy RESIGNED | Director | 18 Jun 2014 | 28 Sep 2023 | United States | January 1948 | Alloy Industrial, Estate, Pontardawe, Swansea, SA8 4HL |
| WILLIAMS, Ian Vaughan RESIGNED | Director | 25 Nov 2015 | 27 Nov 2018 | Wales | May 1976 | Alloy Industrial, Estate, Pontardawe, Swansea, SA8 4HL |