BRITAIN IRELAND SCOTLAND YOUNG PEOPLE WOMEN Rodger Dudding RESULTS 2006 Ranking Worth Industry 627= £93m Lock-up garages and queue management Since 1975, London-based Dudding, 68, has acquired more than 11,000 lock-up garages and is turning some of the sites into housing. He began by launching Lonsto (Systems), which makes queueing systems used by supermarkets. His firms and family trusts have assets that total £93m. RESULTS 2005 Ranking 547= Worth 2005: £90m