Scam Company relentlessly calls businesses who they see are attending a business trade show -- to "make your hotel arrangements for you."   I have gotten at least 20 calls from the same company (different numbers, but they are all in response to the same single show.  Telling them to stop calling clearly does not register with the  non English speaking people they hire to make their illegal calls - and leave voice messages.  If you a businessman, make this a permanent block