| BERTENSHAW, Emma Louise ACTIVE | Director | 09 Dec 2025 | | United Kingdom | March 1992 | 15a Bloxham Mill, Barford Road, Bloxham, Banbury, OX15 4FF, England |
| GREENWOOD, Sean Thomas ACTIVE | Director | 22 Jan 2025 | | United Kingdom | October 1968 | 15a Bloxham Mill, Barford Road, Bloxham, Banbury, OX15 4FF, England |
| HAYWARD, Barry Philip ACTIVE | Director | 25 Jun 2015 | | United Kingdom | January 1979 | 15a Bloxham Mill, Barford Road, Bloxham, Banbury, OX15 4FF, England |
| LAZENBY, Kate ACTIVE | Director | 11 Jun 2020 | | England | September 1982 | 15a Bloxham Mill, Barford Road, Bloxham, Banbury, OX15 4FF, England |
| WEEKS, Richard Victor ACTIVE | Director | 18 Jan 2025 | | England | August 1956 | 15a Bloxham Mill, Barford Road, Bloxham, Banbury, OX15 4FF, England |
| WYNNE HUGHES, Adam Rhys ACTIVE | Director | 25 Jun 2015 | | England | June 1965 | 15a Bloxham Mill, Barford Road, Bloxham, Banbury, OX15 4FF, England |
| BURGESS, Cheryl Ann RESIGNED | Secretary | 13 Feb 2006 | 01 Apr 2019 | | | F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| GLENISTER, Richard Henry RESIGNED | Secretary | 01 May 2003 | 12 Feb 2006 | | | 91 Maycross Avenue, Morden, Surrey, SM4 4DF |
| HOWELL, Norman RESIGNED | Secretary | 01 Apr 2019 | 01 Nov 2020 | | | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| REED, Arthur Ambrose RESIGNED | Secretary | | 01 May 2003 | | | 170 Highfield Way, Rickmansworth, Hertfordshire, WD3 7PJ |
| ALHADEFF, Jeremy Mark RESIGNED | Director | 28 Jun 2018 | 07 Nov 2019 | England | April 1939 | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| ALHADEFF, Jeremy Mark RESIGNED | Director | 16 Jun 2004 | 18 Jun 2008 | England | April 1939 | Cresseners Chatham Hall Lane, Great Waltham, Chelmsford, Essex, CM3 1BZ |
| ALHADEFF, Jeremy Mark RESIGNED | Director | 22 May 1996 | 02 Jun 1999 | England | April 1939 | Cresseners Chatham Hall Lane, Great Waltham, Chelmsford, Essex, CM3 1BZ |
| ALLEN, Ruth RESIGNED | Director | 02 Jun 1999 | 25 Jun 2015 | England | August 1958 | Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| ALLEN, Ruth RESIGNED | Director | 17 Apr 1996 | 16 Apr 1997 | England | August 1958 | The Brambles, Silver Street, Minety, Wiltshire, SN16 9QU |
| ANDERSON, Nicholas James RESIGNED | Director | 11 Jun 2020 | 23 Dec 2025 | England | April 1990 | 15a Bloxham Mill, Barford Road, Bloxham, Banbury, OX15 4FF, England |
| ATKINS, Peter James RESIGNED | Director | 25 Jun 2015 | 29 Jun 2016 | England | August 1984 | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| AUSTIN, Graham RESIGNED | Director | 30 Apr 1998 | 15 Apr 1999 | | December 1949 | 22 Ravens Grove, Reedley, Burnley, Lancashire, BB10 2RD |
| AYERS, Malcolm Harry RESIGNED | Director | 22 May 1996 | 10 Jul 1997 | | August 1937 | Millhouse 32 Town Street, Lound, Retford, Nottinghamshire, DN22 8RJ |
| AYERS, Malcolm Harry RESIGNED | Director | 15 Apr 1992 | 13 Apr 1994 | | August 1937 | Millhouse 32 Town Street, Lound, Retford, Nottinghamshire, DN22 8RJ |
| AYLEY, Simon James RESIGNED | Director | 18 Jun 2013 | 24 Jun 2014 | England | August 1975 | Cherwell Business Village, Pipeline Industries Guild, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| BALL, Andrew Alfred RESIGNED | Director | 01 Feb 2023 | 17 Jan 2025 | England | September 1964 | 15a Bloxham Mill, Barford Road, Bloxham, Banbury, OX15 4FF, England |
| BALL, Andrew Alfred RESIGNED | Director | 21 Jun 2011 | 19 Jun 2012 | England | September 1964 | Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| BANNOCK, Edwin James Wright RESIGNED | Director | 28 Jun 2001 | 28 Jun 2018 | England | November 1957 | Cherwell Business Village, Southam Road, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| BARKWAY, Basil James RESIGNED | Director | 14 Apr 1993 | 20 Apr 1994 | | May 1931 | 4 Meadow Way, Ringwood, Hampshire, BH24 1RY |
| BENSTEAD, Paul John RESIGNED | Director | 18 Jun 2013 | 29 Jun 2016 | Scotland | February 1960 | Cherwell Business Village, Pipeline Industries Guild, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| BENTLEY, Neil Ashley RESIGNED | Director | 29 Jun 2016 | 29 Jun 2017 | England | January 1965 | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| BESSANT, Karen Elizabeth RESIGNED | Director | 16 Jun 2009 | 22 Jun 2010 | Gbr | December 1965 | 3 Bowline Close, Malkins Bank, Sandbach, Cheshire, CW11 4AQ |
| BLAKEMORE, Adrian RESIGNED | Director | 18 Jun 2013 | 18 May 2016 | Ireland | August 1960 | Pipeline Industries Guild, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| BLOCKLEY, Colin RESIGNED | Director | 13 Apr 1994 | 05 Apr 1995 | | July 1935 | 15 Leicester Road, Quorn, Loughborough, Leicestershire, LE12 8ES |
| BOSANQUET, Kevin John RESIGNED | Director | 08 Jun 2005 | 20 Jun 2006 | | May 1950 | 50 Cupernham Lane, Romsey, Hampshire, SO51 7LG |
| BOTTERILL, Sam David Richard RESIGNED | Director | 25 Jun 2015 | 29 Jun 2016 | England | November 1980 | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| BRADLEY, Barry Stewart RESIGNED | Director | 14 Apr 1964 | 06 Apr 1995 | | March 1959 | 3 Kenwood Avenue, Bramhall, Stockport, Cheshire, SK7 1BP |
| BRANIFF, Thomas Vincent RESIGNED | Director | 29 Jun 2016 | 28 Jun 2018 | England | June 1970 | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| BRANIFF, Thomas Vincent RESIGNED | Director | 21 Jun 2011 | 25 Jun 2015 | England | June 1970 | Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| BRANIFF, Thomas Vincent RESIGNED | Director | 16 Jun 2009 | 22 Jun 2010 | England | June 1970 | 60, Larmour Road, Grimsby, N E Lincs, DN37 9HG |
| BRAY, Conor RESIGNED | Director | 18 Jun 2013 | 25 Jun 2015 | Ireland | March 1980 | Cherwell Business Village, Pipeline Industries Guild, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| BREAM, Tamerlane RESIGNED | Director | 21 Jun 2007 | 18 Jun 2013 | England | December 1971 | Manor House, Lodge, Grace Dieu Road, Whitwick, Leicestershire, LE65 5AP |
| BRIDGE, Andrew John RESIGNED | Director | 24 Jun 2014 | 25 Jun 2015 | England | August 1972 | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| BRIDGE, Matthew Thomas RESIGNED | Director | 16 Jun 2009 | 22 Jun 2010 | England | February 1978 | 26, Redfield Hill, Oldland Common, Bristol, South Glos, BS30 9TQ |
| BRIDGE, Rachel RESIGNED | Director | 01 Feb 2023 | 14 Jan 2026 | England | August 1988 | 15a Bloxham Mill, Barford Road, Bloxham, Banbury, OX15 4FF, England |
| BRIGGS, David George RESIGNED | Director | 20 Jun 2006 | 16 Jun 2009 | | January 1943 | 35 Eigie Avenue, Balmedie, Aberdeen, Aberdeenshire, AB23 8WG |
| BRIGGS, David RESIGNED | Director | 16 Jun 2004 | 08 Jun 2005 | | January 1943 | 35 Elgie Avenue, Balmedie, Aberdeen, AB23 8VV |
| BROCK, Derek Herbert Thomas RESIGNED | Director | 13 Apr 2000 | 25 Apr 2001 | | August 1949 | Stonemount, Birchover Road, Stanton In The Peak, Matlock, Derbyshire, DE4 2LR |
| BRODERICK, Martin Augustine, Mr. RESIGNED | Director | 28 Jun 2001 | 02 Sep 2002 | United Kingdom | May 1962 | 16 Bateman Street, Oxford, Oxfordshire, OX3 7BG |
| BROWN, David Robertson RESIGNED | Director | 08 Jun 2005 | 20 Jun 2006 | United Kingdom | March 1955 | 11 Dorchester Road, Fixby, Huddersfield, HD2 2JZ |
| BROWN, George Russell RESIGNED | Director | 15 Apr 2003 | 08 Jun 2005 | | August 1959 | 51 Chestnut Grove, Stenhousemuir, Falkirk, FK5 4DU |
| BROWN, James Joseph RESIGNED | Director | 05 Apr 1995 | 27 Mar 1996 | | November 1946 | 57 Roull Road, Edinburgh, EH12 7JR |
| BROWN, Raymond RESIGNED | Director | 06 Apr 1999 | 06 Apr 2000 | Scotland | September 1952 | 127 Lanark Road West, Currie, Midlothian, EH14 5NZ |
| BRUCE, Roebrt Leslie RESIGNED | Director | 21 Jun 2007 | 25 Mar 2008 | | March 1957 | 29 Pendle Gardens, Culcheth, Warrington, Cheshire, WA3 4LU |
| BRYAN, William Anthony RESIGNED | Director | 13 Dec 1990 | 24 May 1995 | | August 1940 | Hythe Sands, Tower Hill, Dorking, Surrey, RH4 2AN |
| BRYAN, William Anthony RESIGNED | Director | 13 Dec 1990 | 13 Dec 1990 | | August 1940 | Hythe Sands, Tower Hill, Dorking, Surrey, RH4 2AN |
| BUNN, Edward Robert RESIGNED | Director | 29 Jun 2016 | 29 Jun 2017 | England | March 1987 | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| BURGESS, Cheryl Ann RESIGNED | Director | 13 Feb 2006 | 07 Nov 2019 | England | December 1955 | F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| BUTTERWORTH, Jonathan RESIGNED | Director | 08 Jun 2005 | 19 Jun 2012 | United Kingdom | June 1962 | 35 New Mills Road, Birch Vale, High Peak, SK22 1BT |
| BYLES, Colin John RESIGNED | Director | 19 May 2004 | 08 Jun 2005 | | November 1954 | 5 Allington Gardens, Nailsea, North Somerset, BS48 4RQ |
| CARGO, William James RESIGNED | Director | 24 Mar 1998 | 15 Nov 1999 | | June 1959 | 31 Cleaver Park, Belfast, Northern Ireland, BT9 5HY |
| CARMICHAEL, Donald RESIGNED | Director | 17 May 1994 | 21 Nov 1994 | | March 1947 | 2 The Chanonry, Aberdeen, AB24 1RP, Scotland |
| CARROLL, Ian Stuart RESIGNED | Director | 21 Jun 2007 | 18 Jun 2008 | | June 1955 | 43 Thomson Street, Aberdeen, Aberdeenshire, AB25 2QN |
| CAULFIELD, Michael RESIGNED | Director | 15 Nov 1999 | 21 Mar 2001 | | March 1948 | 6 Somerton Grange, Belfast, County Antrim, BT15 4HA |
| CHADWICK, David Walter RESIGNED | Director | 25 Jun 2015 | 29 Jun 2016 | England | May 1954 | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| CHADWICK, David Walter RESIGNED | Director | 21 Jun 2007 | 18 Jun 2008 | England | May 1954 | 7 Regents Court, Princes Street, Peterborough, Cambridgeshire, PE1 2QR |
| CLARK, Andrew RESIGNED | Director | 20 Jun 2006 | 13 Oct 2006 | | July 1979 | 80 Nell Lane, Chorlton, Manchester, Lancashire, M21 7DA |
| CLARKE, James Philip RESIGNED | Director | 24 Jun 2014 | 25 Jun 2015 | England | December 1987 | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| CLARKE, Robin Peter Jonathan RESIGNED | Director | 07 Jun 2001 | 12 Jun 2002 | | January 1951 | 8 Ewell Downs Road, Ewell, Surrey, KT17 3BP |
| CLEMENTS, Anthony Alfred RESIGNED | Director | 15 Apr 1998 | 14 Apr 1999 | | April 1939 | 208 Gladstone Road, Barry, South Glamorgan, CF62 8ND |
| CLEMENTSON, Derek Ronald RESIGNED | Director | 03 Jun 1991 | 22 May 1997 | | September 1929 | Wansford, Letchmore Heath, Watford, Herts, WD2 8EW |
| CLEMENTSON, Derek Ronald RESIGNED | Director | 03 Jun 1991 | 03 Jun 1991 | | September 1929 | Wansford, Letchmore Heath, Watford, Herts, WD2 8EW |
| CLEVELAND, Guy Anthony RESIGNED | Director | 29 Jun 2016 | 20 Sep 2017 | England | October 1986 | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| CLISHAM, Phillip Arthur RESIGNED | Director | 19 Jun 2012 | 07 Nov 2019 | Wales | February 1969 | Pipeline Industries Guild, F150, Cherwell Business Villag, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| CODLING, Russell James Hearnden RESIGNED | Director | 27 May 2002 | 29 Apr 2003 | | October 1970 | 14 Woodland Walk, Billing Lane, Northampton, Northamptonshire, NN3 5NS |
| COLLINS, John William RESIGNED | Director | 21 Apr 1999 | 13 Apr 2000 | | April 1944 | Bois Cottage, Long Park Close, Amersham, Buckinghamshire, HP6 5JY |
| COLLINS, John William RESIGNED | Director | | 17 May 1994 | | April 1944 | Bois Cottage, Long Park Close, Amersham, Buckinghamshire, HP6 5JY |
| CONLON, Michael Noel RESIGNED | Director | 24 May 2000 | 12 Jun 2002 | | December 1926 | 1 Barnstead Drive, Church Road, Cork, Ireland |
| COPPACK, Donald John RESIGNED | Director | 22 May 1997 | 24 May 2000 | England | November 1943 | Drummie Butts Ash Lane, Hythe, Southampton, Hampshire, SO45 3QY |
| CORNISH, Alexandra Louise RESIGNED | Director | 29 Jun 2017 | 28 Jun 2018 | England | August 1988 | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| COYNE, John Francis RESIGNED | Director | | 15 Apr 1992 | | April 1949 | 2 Woodlands Close, Brigstock, Kettering, Northamptonshire, NN14 3LU |
| CROPPER, John Desmond RESIGNED | Director | 20 Apr 1994 | 12 Apr 1995 | | February 1930 | Applegarth, Horsebridge Road, Broughton Stockbridge, Hampshire, SO20 8BG |
| CULLEN, Edward John RESIGNED | Director | 22 May 1996 | 03 Jun 1998 | | October 1926 | 14 Gloucester Walk, Kensington, London, W8 4HZ |
| DARLEY, Julian Robin RESIGNED | Director | | 21 May 1992 | | December 1937 | 614 Gilbert House, Barbican, London, EC2Y 8BD |
| DAY, Rhys RESIGNED | Director | 29 Jun 2017 | 28 Jun 2018 | United Kingdom | August 1982 | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| DEAN, Adam RESIGNED | Director | 08 Jun 2005 | 20 Jun 2006 | | March 1971 | Springhill Main Street, Normanton, Coalylle, Leicestershire, LE87 2TB |
| DEENEY, Martin Anthony RESIGNED | Director | 22 Mar 2003 | 08 Jun 2005 | | June 1960 | 15 Ridgewood Avenue, Moy, County Tyrone, BT71 7TE |
| DICKSON, Leslie John RESIGNED | Director | 22 Jun 2010 | 19 Jun 2012 | Uk | February 1947 | Cherwell Business Village F150, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| DOLAN, Christopher RESIGNED | Director | 22 May 1996 | 22 May 1997 | | December 1959 | 7 Broom Park, Teddington, Middlesex, TW11 9RN |
| DOLAN, William RESIGNED | Director | 25 Apr 2002 | 15 Apr 2003 | | April 1963 | 7 Queen Margaret Close, Edinburgh, EH10 7EE |
| DOMENEY, Robin Alistair RESIGNED | Director | 22 Jun 2010 | 21 Jun 2011 | United Kingdom | August 1970 | Cherwell Business Village F150, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| DONALDSON, Robert Murray RESIGNED | Director | 01 Apr 1997 | 06 Apr 1998 | | November 1947 | 7 Cameron Road, Bridge Of Don, Aberdeen, AB23 8QN |
| DOOLAN, Trevor Ernest RESIGNED | Director | 17 Apr 1996 | 16 Apr 1997 | | April 1934 | Landfall Church Road, Aspley Heath, Bedfordshire, MK17 8TA |
| DORE, Roger John RESIGNED | Director | 02 Oct 2002 | 18 May 2004 | | July 1943 | 29 Glenview Park, Kilpedder, County Wicklow, IRISH, Ireland |
| DWYER, Gary Patrick RESIGNED | Director | 29 Jun 2017 | 07 Nov 2019 | England | January 1972 | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| EDWARDS, Keith RESIGNED | Director | 19 Jun 2012 | 18 Jun 2013 | England | August 1950 | Pipeline Industries Guild, F150, Cherwell Business Villag, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| EDWARDS, Keith RESIGNED | Director | 16 Jun 2009 | 22 Jun 2010 | England | August 1950 | 11, Harrier Close, Cottesmore, Oakham, Rutland, LE15 7BT |
| EDWARDS, Keith RESIGNED | Director | 03 Jun 1998 | 16 Nov 1998 | | August 1950 | Maze Lodge 3 Grove End, Hilton, Huntingdon, Cambridgeshire, PE18 9NE |
| EVANS, Robert RESIGNED | Director | | 17 May 1994 | | May 1927 | 100 Rochester Row, London, SW1P 1JP |
| EVERARD, Leslie George RESIGNED | Director | 30 Mar 1993 | 29 Mar 1994 | | July 1937 | Cliff Cottage 11 Murray Road, Newtonhill, Stonehaven, Kincardineshire, AB3 2PU |
| EYLES, Robin Nicholas James RESIGNED | Director | 22 Jun 2010 | 19 Jun 2012 | Uk | May 1969 | Cherwell Business Village F150, Southam Road, Banbury, Oxfordshire, OX16 2SP |
| FARLEY, Timothy Ross Graham RESIGNED | Director | 19 Jun 2012 | 18 Jun 2013 | England | February 1962 | Pipeline Industries Guild, F150, Cherwell Business Villag, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| FLYNN, Michael Christopher RESIGNED | Director | 24 Jun 2014 | 25 Jun 2015 | England | January 1981 | Pipeline Industries Guild, F150, Cherwell Business Village, Southam Road, Banbury, Oxfordshire, OX16 2SP, England |
| FRANCIS, Stuart RESIGNED | Director | 24 May 1995 | 03 Jun 1998 | | June 1944 | 2 Gypsy Wood Crest, Colton, Leeds, Yorkshire, LS15 9DZ |