BRITAIN IRELAND SCOTLAND YOUNG PEOPLE WOMEN The Brett family RESULTS 2006 Ranking Worth Industry 633= £92m Minerals and engineering Canterbury-based Robert Brett & Sons has £88m of net assets. In 2004, profits at the family-owned civil engineering and mineral extraction firm fell from £6.8m to £4.7m but sales were up sharply. The Bretts took £2m in dividends in 2004 and are worth £92m. RESULTS 2005 Ranking 547= Worth 2005: £90m