Interactive whiteboards

Dear sir/madam,
our company is looking for an european producer and/or trading companies that deal with dlp projectors and interactive whiteboards. could you please recommend us any of them at shortest if you had any previous experince in that? we are interested in 4 projector-whiteboard sets. technical features of all of them will be sent shortly after and directly to the companies.could you please give us the contact details of the european companies involved in that (e-mail is XXXXXXXXX)?