Open Computers and Finance, a principal UK provider of hardware and specialist software in education, is one of Britain's fastest growing companies, according to the Virgin Atlantic Fast Track 100 league table, compiled by Hamish Stevenson, Virgin Atlantic Research Fellow in Entrepreneurship at Oxford University. It has been placed at 19 in the table, which ranks companies according to their compound annual growth rate in turnover, over three financial years. www.ocf.co.uk.