| ANDERSON, Kathryn Marie ACTIVE | Director | 11 Jun 2026 | | United States | October 1984 | 15000, Valmont Plaza, Omaha, Nebraska, 68154, United States |
| CLARK, Drew Thomas ACTIVE | Director | 11 Jun 2026 | | United States | March 1989 | 15000, Valmont Plaza, Omaha, Nebraska, 68154, United States |
| PYTLAS, Maggie ACTIVE | Director | 11 Jun 2026 | | United Kingdom | October 1980 | Dukesway, Teesside Industrial Estate, Thornaby, Stockton-On-Tees, TS17 9LT, United Kingdom |
| TWEED, David William ACTIVE | Director | 11 Jun 2026 | | England | June 1972 | Unit 5, Valmont Stainton Ltd, Dukesway, Teesside Estate, Stockton-On-Tees, TS17 9LT, United Kingdom |
| A G SECRETARIAL LIMITED RESIGNED | Secretary | 30 Mar 2006 | 29 Jun 2006 | | | 100 Barbirolli Square, Manchester, M2 3AB |
| DAVID VENUS & COMPANY LLP RESIGNED | Secretary | 30 Sep 2010 | 20 Aug 2018 | | | 42-50, Hersham Road, Walton-On-Thames, Surrey, KT12 1RZ, United Kingdom |
| DELTA (DCC) LIMITED RESIGNED | Secretary | 29 Jun 2006 | 30 Sep 2010 | | | Bridewell Gate, 9 Bridewell Place, London, EC4V 6AW |
| PRISM COSEC LIMITED RESIGNED | Secretary | 20 Aug 2018 | 31 Dec 2025 | | | Highdown House, Yeoman Way, Worthing, West Sussex, BN99 3HH, United Kingdom |
| FRANCIS, Timothy Perry RESIGNED | Director | 01 Jan 2021 | 11 Jun 2026 | United States | December 1976 | Valmont Industries, Inc., 15000 Valmont Plaza, Omaha, Nebraska, 68154, United States |
| GOWEN, Robert William RESIGNED | Director | 12 Jul 2010 | 11 Feb 2011 | England | September 1971 | Bridewell Gate, 9 Bridewell Place, London, EC4V 6AW, England |
| JAKSICH, Mark Charles RESIGNED | Director | 11 Feb 2011 | 31 Dec 2020 | United States | September 1957 | Valmont, One Valmont Plaza, 13815 First National Bank Parkway, Omaha, Nebraska, 68154-5215, United States |
| KEMPSTER, Jonathan RESIGNED | Director | 30 Oct 2007 | 12 Jul 2010 | England | January 1963 | Glaston Hill Lodge, Church Road, Eversley, Hampshire, RG27 0PX |
| LUTON, Mark RESIGNED | Director | 29 Jun 2006 | 30 Oct 2007 | | August 1970 | 52 Beechwood Avenue, Farnborough, Kent, BR6 7EY |
| MARRIOTT, Paul Roger RESIGNED | Director | 29 Jun 2006 | 31 Mar 2008 | United Kingdom | March 1968 | 37 Park Road, Radlett, Hertfordshire, WD7 8EG |
| MASSEY, Roger Andrew RESIGNED | Director | 11 Feb 2011 | 11 Jun 2026 | United States | July 1969 | Valmont Industries, Inc., 15000 Valmont Plaza, Omaha, Nebraska, 68154, United States |
| PRITCHARD, Neil Bartley RESIGNED | Director | 31 Mar 2008 | 11 Aug 2008 | England | December 1971 | 80, Park Road, New Barnet, Herts, EN4 9QF, Uk |
| SHONE, Frederic Bacon RESIGNED | Director | 11 Aug 2008 | 31 Aug 2009 | England | May 1950 | 10 Teasel Avenue, Conniburrow, Milton Keynes, Buckinghamshire, MK14 7DS |
| SMALLEY, Robert Anthony RESIGNED | Director | 11 Aug 2008 | 11 Feb 2011 | England | January 1976 | 1, Carlbury Close, St Albans, Herts, AL1 5DR, Uk |
| INHOCO FORMATIONS LIMITED RESIGNED | Nominee Director | 30 Mar 2006 | 29 Jun 2006 | | | 100 Barbirolli Square, Manchester, M2 3AB |