| CRAIB, Steven Ross ACTIVE | Director | 25 Oct 2024 | | Scotland | July 1988 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeem, AB21 0GN, Scotland |
| JOHNSON, Rachel Lynn ACTIVE | Director | 12 Nov 2025 | | Scotland | June 1986 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN |
| THOMSON, Gavin ACTIVE | Director | 01 Apr 2025 | | Scotland | June 1991 | Halliburton, Don Facility, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN, Scotland |
| CLIFTON, Scot RESIGNED | Secretary | 01 Jul 2009 | 25 Oct 2024 | | | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN |
| CRAWLEY, Peter John RESIGNED | Secretary | 31 Jul 2003 | 16 Mar 2004 | | | Tigh Na Failte, Crathes, Banchory, Kincardineshire, AB31 5JJ |
| DEERING, John Edward RESIGNED | Secretary | 05 Jan 2009 | 01 Jul 2009 | | | 129, Blenheim Place, Aberdeen, Aberdeenshire, AB25 2DL |
| IBRAHIM, Christina RESIGNED | Secretary | 06 Dec 2005 | 05 Jan 2009 | | | 2109 Castle Beach Court, League City, Texas, 77573, Usa |
| ROBERTSON TOCHER, Judith RESIGNED | Secretary | 01 Jun 2000 | 31 Jul 2003 | | | Blacktop House Blacktop, Kingswells, Aberdeen, AB15 8QJ |
| VINT, Richard Clark RESIGNED | Secretary | 02 Mar 2000 | 01 Jun 2000 | | | 155 North Deeside Road, Bieldside, Aberdeen, Aberdeenshire, AB15 9EA |
| STRONACHS RESIGNED | Secretary | 16 Mar 2004 | 20 May 2008 | | | 34 Albyn Place, Aberdeen, Aberdeenshire, AB10 1FW |
| STRONACHS RESIGNED | Nominee Secretary | 25 Jun 1993 | 16 Feb 2000 | | | 34 Albyn Place, Aberdeen, Aberdeenshire, AB10 1FW |
| STRONACHS SECRETARIES LIMITED RESIGNED | Secretary | 20 May 2008 | 05 Jan 2009 | | | 34, Albyn Place, Aberdeen, Aberdeenshire, AB10 1FW |
| BAIN, James David RESIGNED | Director | 12 Jun 2001 | 29 Oct 2004 | United Kingdom | August 1951 | 2 Devanha Gardens South, Aberdeen, Aberdeenshire, AB11 7UG |
| BETTS, Matthew RESIGNED | Director | 01 Jan 2014 | 11 Dec 2017 | United Kingdom | January 1968 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN |
| BIRNIE, Christopher Albert RESIGNED | Director | 01 Nov 2021 | 25 Oct 2024 | United Kingdom | August 1976 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN, United Kingdom |
| BLACKLAW, David William RESIGNED | Director | 30 Mar 2007 | 30 May 2008 | | September 1960 | 3 Mirror Ridge Drive, The Woodlands, Texas, TX77382, Usa |
| BOWYER, Michael Lewis RESIGNED | Director | 18 May 1995 | 12 Jun 2001 | United Kingdom | October 1951 | 3, Earlswells Drive, Cults, Aberdeen, Aberdeenshire, AB15 9NW, United Kingdom |
| BUCHANAN, Alasdair Ian RESIGNED | Director | 01 Aug 2011 | 13 Apr 2012 | Scotland | November 1960 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN, Scotland |
| DIXON, Eoghan Peter RESIGNED | Director | 01 Jun 2023 | 31 Mar 2025 | Scotland | June 1981 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN |
| FLEMING, Michael John RESIGNED | Director | 14 Nov 1996 | 09 Jul 2004 | United Kingdom | October 1958 | 2 Baillieswells Drive, Bieldside, Aberdeen, AB15 9AS |
| HORSFALL, Timothy Michael RESIGNED | Director | 26 Apr 2023 | 12 Nov 2025 | United Kingdom | July 1981 | Halliburton, Halliburton House, Howe Moss Crescent, Dyce, Aberdeenshire, AB21 0GN, United Kingdom |
| JOHNSTON, David Alexander RESIGNED | Director | 05 Jan 2009 | 31 Dec 2019 | United Kingdom | March 1971 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN |
| KINCH, Laurence William RESIGNED | Director | 18 Nov 1993 | 20 Jun 2003 | Scotland | May 1953 | Westfield Lodge, Milltimber, Aberdeen, Aberdeenshire, AB13 0EX |
| KING, David RESIGNED | Director | 16 Feb 2000 | 12 Jun 2001 | | June 1956 | 5207 Applevale Court, Houston, Texas, 77345, America |
| KIRTON, Peter James RESIGNED | Director | 31 Jul 1996 | 31 Mar 1997 | | August 1950 | 112 Hamilton Place, Aberdeen, AB15 5BB |
| LANE, Andy RESIGNED | Director | 16 Feb 2000 | 12 Jun 2001 | | October 1959 | 3907 Spring Bloom Court, Sugar Lane, Texas, 77479, America |
| LITTLEFORD, Sydney Joseph RESIGNED | Director | 18 Nov 1993 | 19 Mar 1997 | | September 1949 | Easthill Of Craigo, Montrose, Angus, DD10 9JU |
| LONGORIO, Phillip Nelson RESIGNED | Director | 28 Oct 2004 | 21 May 2007 | | June 1953 | 445 Woodline Drive, Spring, Texas, TX 77386, Usa |
| LUKE, Ricky Dean RESIGNED | Director | 28 Oct 2004 | 05 Jan 2009 | | December 1959 | 39 S Taylor Point Drive, The Woodlands, Texas, TX 77382, Usa |
| MATHEW, Thomas Kuzhuvommannil RESIGNED | Director | 28 Jan 2014 | 28 Feb 2020 | United Arab Emirates | May 1963 | 14th Floor, Citibank Tower, Al-Qutayat Street, Dubai, United Arab Emirates |
| MATHIESON, Derek RESIGNED | Director | 21 May 2007 | 05 Jan 2009 | | April 1970 | 6 Split Rail Place, The Woodlands, Tx 77382, Texas, Usa |
| MCALLISTER, Kenneth Alexander RESIGNED | Director | 30 May 2008 | 05 Jan 2009 | United Kingdom | April 1966 | 1, King David Drive, Inverbervie, Montrose, Angus, DD10 0SW, United Kingdom |
| MCCURLEY, Ross Mark RESIGNED | Director | 22 Apr 1997 | 16 Feb 2000 | | November 1954 | Woodlands, Fairmile Park Road, Cobham, Surrey, KT11 2PG, England |
| MCLELLAN, Gordon Mccrum RESIGNED | Director | 18 May 1995 | 05 Apr 1997 | | May 1944 | 33 Forest Road, Aberdeen, Aberdeenshire, AB15 4BY |
| MEKKAWY, Wael RESIGNED | Director | 16 Jan 2019 | 31 Oct 2021 | Scotland | May 1974 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN, United Kingdom |
| MITCHELL, David Lyall RESIGNED | Director | 15 Jul 2015 | 31 Jul 2017 | Scotland | October 1967 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN, United Kingdom |
| MLADENKA, David RESIGNED | Director | 13 Apr 2012 | 01 Jan 2014 | United Kingdom | December 1960 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN |
| NOWE, Steve RESIGNED | Director | 01 Jan 2022 | 26 Apr 2023 | Netherlands | April 1964 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN |
| OWENS, Steven Cratus RESIGNED | Director | 21 Apr 1997 | 16 Feb 2000 | | June 1961 | 22 Pebble Hollow Court, The Woodlands, TX 77381, Usa |
| REID, Colin RESIGNED | Director | 07 Sep 2017 | 01 Oct 2020 | Scotland | September 1977 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN, United Kingdom |
| RENFROE, James Bryon RESIGNED | Director | 22 Apr 1997 | 12 Jun 2001 | Usa | August 1953 | 5319 Mountain Grove Court, Spring, Texas, 77379 Usa |
| ROBERTSON, James Matheson RESIGNED | Nominee Director | 25 Jun 1993 | 25 Jun 1994 | | | 12 Carden Place, Aberdeen, AB9 1FW |
| ROBINSON, Michael RESIGNED | Director | 12 Jun 2001 | 19 Aug 2002 | Scotland | April 1950 | Aquherton House, Kintore, Aberdeenshire, AB51 0XH |
| RUBBO, Richard Paul RESIGNED | Director | 12 Jun 2001 | 10 May 2002 | | April 1959 | 10 Maple Loft Place, The Woodlands, Texas, 77381, Usa |
| RUBBO, Richard Paul RESIGNED | Director | 21 Aug 1996 | 16 Feb 2000 | | April 1959 | `Bait-Al-Na-Ba' Den Of Cults, Cults, Aberdeen, Aberdeenshire, AB15 9NN |
| SEATON, Simon Derek RESIGNED | Director | 05 Jan 2009 | 01 Aug 2011 | Scotland | March 1968 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN |
| SHAND, David Michael RESIGNED | Director | 12 Jun 2001 | 23 Jun 2005 | Scotland | September 1960 | Beatties Cottage, Drum Castle, Drumoak, Aberdeenshire, AB31 5AH |
| SHARMA, Arun Kumar RESIGNED | Director | 12 Jun 2001 | 19 Aug 2003 | | April 1963 | The Steading,Mains Of Murtle, Beaconhill Road, Milltimber, Aberdeenshire, AB13 0JR |
| SMITH, Colin RESIGNED | Director | 21 Aug 1996 | 16 Feb 2000 | United Kingdom | July 1955 | 3 Midmar Park, Kingswells, Aberdeen, AB15 8FA |
| TAYLOR, William David RESIGNED | Director | 31 Dec 2009 | 15 Jul 2015 | Scotland | October 1965 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN |
| THOMSON, Barry RESIGNED | Director | 01 Oct 2020 | 01 Jun 2023 | United Kingdom | April 1984 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN, United Kingdom |
| USMAN, Shaikh RESIGNED | Director | 28 Feb 2020 | 13 Jun 2024 | United Kingdom | March 1972 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN |
| WAUTERS, Jerry RESIGNED | Director | 23 Jun 2005 | 31 Dec 2005 | | February 1958 | 20415 Chapel Glen Court, Katy, Texas 77450, America |
| WAUTERS, Jerry RESIGNED | Director | 16 Feb 2000 | 27 Oct 2004 | | February 1958 | 20415 Chapel Glen Court, Katy, Texas 77450, America |
| WHITE, Martin Robert RESIGNED | Director | 11 Dec 2017 | 31 Dec 2021 | United Kingdom | September 1973 | Halliburton House, Howe Moss Crescent, Dyce, Aberdeen, AB21 0GN, United Kingdom |
| WHITEFORD, Drummond Wilkinson RESIGNED | Director | 18 Nov 1993 | 16 Feb 2000 | Scotland | November 1952 | Westfield Cottage, Milltimber, Aberdeen, AB13 0EX |
| WILLIS, Scott RESIGNED | Director | 16 Feb 2000 | 12 Jun 2001 | | January 1947 | 15111 Green Tavern Ct, Cypress, Texas, 77429, America |
| WOOD, Derek David RESIGNED | Director | 05 Jan 2009 | 31 Dec 2009 | | July 1958 | 2 The Howe, Letham, Angus, DD8 2QU |