| MASSEY, Roger Andrew ACTIVE | Secretary | 14 Sep 2018 | | | | Valmont One Valmont Plaza, 13815 First National Bank Parkway, Omaha, Nebraska, 68154-52, United States |
| FRANCIS, Timothy Perry ACTIVE | Director | 23 Mar 2018 | | United States | December 1976 | Valmont Inc One Valmont Plaza, 13815 First National Bank Parkway, Omaha, Nebraska, United States |
| MASSEY, Roger Andrew ACTIVE | Director | 23 Mar 2018 | | United States | July 1969 | Valmont One Valmont Plaza, 13815 First National Bank Parkway, Omaha, Nebraska, 68154-52, United States |
| BUNYAN, Andrew John Paul RESIGNED | Secretary | 03 Dec 2001 | 13 Sep 2018 | | | 29 Dudley Gardens, Harrow, Middlesex, HA2 0DQ |
| BURR, Stephen Mark RESIGNED | Secretary | 10 Mar 1992 | 15 Feb 1999 | | | 176 Bramhall Lane South, Bramhall, Stockport, Cheshire, SK7 2PR |
| HAIGH, Andrew Martin RESIGNED | Secretary | 15 Feb 1999 | 03 Dec 2001 | | | 7 Cotswold Drive, Royton, Oldham, Lancashire, OL2 5HD |
| WALKER, Philip Henry RESIGNED | Secretary | | 10 Feb 1992 | | | 9 Daisy Bank Close, Pelsall, Walsall, West Midlands, WS3 4BL |
| BEER, Kenneth RESIGNED | Director | 02 Jan 1996 | 06 Mar 1998 | | April 1940 | 34 Barcheston Road, Cheadle, Cheshire, SK8 1LL |
| BURR, Stephen Mark RESIGNED | Director | 01 Apr 2001 | 03 Dec 2001 | United Kingdom | January 1964 | 176 Bramhall Lane South, Bramhall, Stockport, Cheshire, SK7 2PR |
| BURR, Stephen Mark RESIGNED | Director | 02 Jan 1996 | 15 Feb 1999 | United Kingdom | January 1964 | 176 Bramhall Lane South, Bramhall, Stockport, Cheshire, SK7 2PR |
| FORD, Janet Anne RESIGNED | Director | 03 Dec 2001 | 23 Mar 2018 | United Kingdom | February 1957 | 40 Princes Gardens, West Acton, London, W3 0LG |
| GARVEY, William Edward RESIGNED | Director | | 30 Jun 1998 | | November 1937 | 9 Cypress Gardens, Kingswinford, West Midlands, DY6 9TU |
| HALPER, Manfred RESIGNED | Director | 01 Jul 1998 | 03 Jan 1999 | | January 1944 | 189 Avenue Blucher, Brussels 1180, Belgium |
| HERBERT, Graham RESIGNED | Director | | 31 Dec 1993 | | July 1943 | Staffords 12 Denehurst Close, Barnt Green, Birmingham, Worcestershire, B45 8HR |
| KING, Andrew Philip Marshall RESIGNED | Director | 19 Nov 1994 | 31 Dec 1998 | | December 1948 | 12 Kingfisher Way, Bishops Stortford, Hertfordshire, CM23 2AZ |
| NARCISO, John Peter RESIGNED | Director | 03 Dec 2001 | 23 Mar 2018 | | November 1947 | 52 Wood Dale, Great Baddow, Chelmsford, Essex, CM2 8EZ |
| PEARCE, David Michael RESIGNED | Director | | 18 Nov 1994 | | January 1947 | 28 Fishers Lock, Newport, Salop, TF10 7SR |
| TRAVIS, Brian Thomas RESIGNED | Director | | 03 Dec 2001 | United Kingdom | May 1947 | Colts Hey Farm, Alt Hill Lane, Ashton Under Lyne, Lancashire, OL6 8AP |
| WESTWOOD, Roger Kevin RESIGNED | Director | 15 Feb 1999 | 31 Mar 2001 | | May 1958 | 1 Lyme Vale Road, Billinge, Wigan, Lancashire, WN5 7QR |