The BOC Group plc was the official name of the multinational industrial gas and British based company more commonly known as BOC, and now a part of The Linde Group. In September 2004, BOC had over 30,000 employees on six continents, with sales of over £4.6 billion. BOC was a constituent of the FTSE 100 Index and the FT 30. On 5 September 2006 The BOC Group became part of the Linde Group of Germany and is no longer traded as a separate company.