| 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 |
| BROWN, Henry Siebren RESIGNED | Secretary | | 12 Dec 1998 | | | 22 Blackfriars Avenue, Droitwich, Worcestershire, WR9 8RQ |
| BUNYAN, Andrew John Paul RESIGNED | Secretary | 05 Jan 2001 | 13 Sep 2018 | | | 29 Dudley Gardens, Harrow, Middlesex, HA2 0DQ |
| LEE, Tony RESIGNED | Secretary | 17 Aug 1999 | 05 Jan 2001 | | | 8 Rossdale, Tunbridge Wells, Kent, TN2 3PG |
| WALKER, Philip Henry RESIGNED | Secretary | 12 Dec 1998 | 17 Aug 1999 | | | 9 Daisy Bank Close, Pelsall, Walsall, West Midlands, WS3 4BL |
| FORD, Janet Anne RESIGNED | Director | 17 Aug 1999 | 23 Mar 2018 | United Kingdom | February 1957 | 40 Princes Gardens, West Acton, London, W3 0LG |
| HALPER, Manfred RESIGNED | Director | 12 Dec 1998 | 17 Aug 1999 | | January 1944 | 189 Avenue Blucher, Brussels 1180, Belgium |
| NARCISO, John Peter RESIGNED | Director | 17 Aug 1999 | 23 Mar 2018 | | November 1947 | 52 Wood Dale, Great Baddow, Chelmsford, Essex, CM2 8EZ |
| PEARCE, David Michael RESIGNED | Director | 12 Dec 1998 | 17 Aug 1999 | United Kingdom | January 1947 | 8 Deer Park Drive, Newport, Salop Shropshire, TF10 7HB |
| STASS, Keith Albert Trevor RESIGNED | Director | 11 Mar 1992 | 12 Dec 1998 | | April 1945 | The White Lodge, High Park, Droitwich, Worcestershire, WR9 0AG |
| STEPHENS, Donald Michael RESIGNED | Director | 31 Dec 1997 | 12 Dec 1998 | | March 1941 | 191a Old Birmingham Road, Marlbrook, Bromsgrove, Worcestershire, B60 1DQ |
| WARREN, Michael William RESIGNED | Director | | 31 Dec 1997 | | July 1935 | 30 Bedford Road, Sutton Coldfield, West Midlands, B75 6AB |
| WHITEFIELD, Peter George RESIGNED | Director | | 11 Mar 1992 | | March 1927 | 4 Tipton Road, Sedgley, Dudley, West Midlands, DY3 1BD |