The Dentistry Show will have its future shows audited by global auditing company BPA Worldwide. Organised by CloserStill Media, the 2011 edition of the show registered an attendance of 4,275. It claims this is an 84 per cent increase on net unique visitor attendance year-on-year. BPA Worldwide president Glenn Hansen praised the Dentistry Show for "voluntarily opening its records to independent certifi cation and documentation of its data".Thorns subsidiary Camden Exhibition Services has signed a two-year furniture supplier contract with Media 10 for its UK events including the Ideal Home Show, Ideal Home Show Christmas, Grand Designs Live in London and Birmingham, Britain's Next Top Model Live and the Duke of Essex Polo. The company has also struck a three-year contract to provide furniture to Brand Events' UK-based Taste events. Camden will be sole supplier of mainly alfresco products for Taste of London, Taste of Christmas and Taste of Edinburgh as well as its second Golf Live event. ACC Liverpool will for the fi rst time host the Association of Coloproctology of Great Britain and Ireland for its 2013 conference and exhibition. The association expects to bring 800 delegates. The Royal College of Nursing will also return to Liverpool using the BT Convention Centre and Echo Arena for its biennial, 600-delegate conference and exhibition in 2013.CEVA Showfreight has inked an agreement with Reed Exhibitions to be the sole offi cial logistics supplier to the organiser's SPE Offshore Europe 2011. The event is held annually in Aberdeen and next takes place from 6 to 8 September. According to CEVA, the logistic company's Showmate digital order tracking and PDA technology was key to the win. Up until now, CEVA's sole existing relationship with Reed has been on its biennial Intelligent Energy exhibition in Holland.Event organiser Classic Shows will launch a northern English Motorcycle Show after striking a tenancy agreement with Manchester-based venue EventCity. According to EventCity, the decision was reached after Classic Shows director Andrew Greenwood attended the Scottish Motorcycle Show in Edinburgh in March. The organiser also runs a similar motorcycle event at Alexandra Palace. The Motorcycle Show will be held from 17 to 18 March 2012.GL Events Owen Brown has been awarded the contract to supply temporary structures to the Epsom Derby. This June, Owen Brown will supply 2,750sqm of temporary structures for the Tattenham Straight, Princes Lawn and Parade Ring at Epsom Downs Racecourse. The structures will be supplied from Owen Brown's fl agship range of structures, Absolute.WINNING A monthly report on the ups and downs of exhibition companies listed on the London Stock Exchange and FTSE 100 Index. (Listings correct at time of going to press)EXHIBITIONNEWS.CO.UK JUNE 2011 41market watch EXHIBITION NEWS BUSINESS SHARE WATCHCentaur was trading still at 54p. United Business Media was trading at 589p down from 614p.Informa was trading at 411p down from 427p.Tarsus was trading at 152p up from 147p.ITE Group was trading at 254p up from 244p.Reed Elsevier was trading at 544p up from 541p.