database of fair and exhbitions in the world 2014

Hi, i need someone who can get me a database of all the fair and exhibition in the world that will take place in 2014 and december 2013 i need the list per country. i will need this columns: 1-date 2-country 3-what kind of fair 4-approximatly amount of exhibitors 5-url of exhibition 6-url of list of exhibitors there is plenty of website online where you can find this informations. you can let me know your price and how many column you can provide please also tell me your timeframe and if you will automate it or not