| THOMAS, Garod ACTIVE | Secretary | 31 Dec 2022 | | | | Unit 4, Christchurch Road, Baglan Industrial Park, Port Talbot, West Glamorgan, SA12 7BZ |
| KOLLATSCHNY, Jason Clay ACTIVE | Director | 11 Dec 2019 | | United States | August 1975 | Freudenberg Oil & Gas Technologies, 10035 Brookriver Drive, Suite 400, Houston, Texas, 77040, United States |
| LEE, Christopher ACTIVE | Director | 01 Sep 2026 | | United Kingdom | August 1966 | Unit 4, Christchurch Road, Baglan Industrial Park, Port Talbot, West Glamorgan, SA12 7BZ |
| TABANDA-LEONG, Charlotte ACTIVE | Director | 05 Feb 2024 | | United States | March 1979 | Unit 4, Christchurch Road, Baglan Industrial Park, Port Talbot, West Glamorgan, SA12 7BZ |
| THOMAS, Andrew ACTIVE | Director | 01 Sep 2026 | | Wales | February 1966 | Unit 4, Christchurch Road, Baglan Industrial Park, Port Talbot, West Glamorgan, SA12 7BZ |
| THOMAS, Garod Wyn ACTIVE | Director | 01 Sep 2026 | | Wales | April 1980 | Unit 4, Christchurch Road, Baglan Industrial Park, Port Talbot, West Glamorgan, SA12 7BZ |
| CASPRITZ, Annette RESIGNED | Secretary | 14 Mar 2018 | 31 Dec 2022 | | | Unit 4, Christchurch Road, Baglan Industrial Park, Port Talbot, West Glamorgan, SA12 7BZ |
| JENKINS, Jeffrey Gordon RESIGNED | Secretary | 31 Jul 1991 | 25 Nov 1991 | | | The Gables, Penallt, Monmouth, Gwent, NP5 4SE |
| KENEALY, Michael David RESIGNED | Secretary | 08 Dec 1995 | 20 May 2013 | | | 160 Cockett Road, Cockett, Swansea, SA2 0FQ |
| SIMONIS, Peter George RESIGNED | Secretary | 12 Mar 1992 | 12 Mar 1992 | | | Cheyne Cottage 65 Royal Hospital Road, London, SW3 4HS |
| SMITH, Andrew Charles Picton RESIGNED | Secretary | 20 May 2013 | 14 Mar 2018 | | | Unit 4, Christchurch Road, Baglan Industrial Park, Port Talbot, West Glamorgan, SA12 7BZ, Wales |
| SMITH, Andrew Charles Picton RESIGNED | Secretary | 01 Apr 1992 | 08 Dec 1995 | | | 196 Gower Road, Sketty, Swansea, SA2 9HT |
| TREGONING, Allan RESIGNED | Secretary | 25 Nov 1991 | 01 Apr 1992 | | | 19 Rheola Avenue, Resolven, Neath, West Glamorgan, SA11 4HL |
| BARNHART, Craig Thomas RESIGNED | Director | 20 May 2013 | 31 Mar 2020 | United States | May 1962 | 19500, State Highway, 249, Houston, Texas, United States |
| BJAARSTAD, Catherine RESIGNED | Director | 23 May 2012 | 20 May 2013 | Norway | February 1968 | 5, Lysaker Torg, Lysaker, Norway, Norway |
| BRIARIS, Dennis Alan, Dr RESIGNED | Director | 25 Jan 1992 | 24 Feb 1995 | | June 1948 | 14 The Bryn, Sketty, Swansea, West Glamorgan, SA2 8DD |
| DAHLGRIN, Finn Falck RESIGNED | Director | 12 Feb 2003 | 31 Mar 2007 | | February 1949 | Noesterudveien, Svelvik, Norway 3060, FOREIGN |
| GRCEVIC, Bozidar RESIGNED | Director | 31 Mar 2020 | 05 Feb 2024 | United States | January 1980 | Freudenberg Oil & Gas Technologies, 10035 Brookriver Drive, Suite 400, Houston, Texas, 77040, United States |
| GRINDE-ANDERSEN, Kyrre RESIGNED | Director | 09 Apr 2008 | 10 Jun 2011 | Norway | July 1961 | Nils Collett Vogts Vei 55, 0766 Oslo, Norway |
| HURLEY, Colin Michael RESIGNED | Director | 23 May 2012 | 20 May 2013 | Wales | March 1969 | Unit 18, Baglan Ind Est, Port Talbot, West Glam, SA12 7DJ |
| LARSEN, John Erling RESIGNED | Director | 23 May 2012 | 20 May 2013 | Norway | March 1963 | 5, Lysaker Torg, Lysaker, N-1326, Norway |
| LEE, Christopher RESIGNED | Director | 23 May 2012 | 20 May 2013 | Wales | August 1966 | Unit 18, Baglan Ind Est, Port Talbot, West Glam, SA12 7DJ |
| LEWIS, David Richard RESIGNED | Director | 24 Jan 2000 | 31 Jan 2003 | | February 1948 | 28 Caswell Drive, Caswell, Swansea, West Glamorgan, SA3 4RJ |
| MJANGER, Knut RESIGNED | Director | 25 Nov 1991 | 29 Jun 2004 | | May 1944 | Kirsten Flagstadsvei-41, Fillingsdalen N-5033, Norway, FOREIGN |
| REES, Richard Bleddyn Vaughan RESIGNED | Director | 31 Jul 1991 | 25 Nov 1991 | | June 1963 | 59 Riverglade, Gwaelod Y Garth, Caridff, CF4 8SP |
| ROBINSON, Ian Stuart RESIGNED | Director | 22 Mar 1995 | 31 Jan 2008 | | May 1948 | 1 Bassets Field, Thornhill, Cardiff, CF14 9UG |
| SCHMIDT, Richard Thomas RESIGNED | Director | 20 May 2013 | 31 Dec 2019 | United States | October 1952 | 19500, State Highway, 249, Suite 440, Houston, Texas, United States |
| SIMONIS, Peter George RESIGNED | Director | 12 Mar 1992 | 14 Feb 2000 | | June 1926 | Cheyne Cottage 65 Royal Hospital Road, London, SW3 4HS |
| SMITH, Andrew Charles Picton RESIGNED | Director | 22 Mar 1995 | 20 May 2013 | United Kingdom | July 1954 | 196 Gower Road, Sketty, Swansea, SA2 9HT |
| STOBBART, John Edward RESIGNED | Director | 25 Nov 1991 | 20 May 2013 | United Kingdom | February 1957 | 2 Kingston Road, Sketty, Swansea, West Glamorgan, SA2 OSS |
| TREGONING, Allan RESIGNED | Director | 25 Nov 1991 | 13 Oct 1994 | | August 1948 | 19 Rheola Avenue, Resolven, Neath, West Glamorgan, SA11 4HL |
| UELAND, Jostein RESIGNED | Director | 31 Jan 2003 | 30 Nov 2007 | | February 1958 | Vestjordet 7, Osteraas, Norway, 1361, FOREIGN |