UK Students Unions Contacts Database

We need a full list of UK only students unions, email addresses, postal address, contact name and telephone no. We are aware that there are approx 650 students unions in the UK, ideally we also need the events organiser contact name for each location. Please advise how many contacts you have, the price you want for the database and time required to complete order. We will use multiple contacts for each location, but are primarily interested in the organisers and office contacts etc, particulary event co-ordinators or entertainments officers. Must be 100% accurate. Supplied in xls format we will check all information provided, payment will be made upon sucessful provision of checked database, please do not bid for portions, we need all contacts. We only need Students Union details and will not accept Universities, collages, Schools etc.