Convention Center Signs Agreement with Union Posted by VenuesNow Staff | May 20, 2014 | General Pennsylvania Convention Center signs a new 10-year contract with four unions to improve the customer experience To access this post, you must purchase Subscribe to VenuesNow – 1 Year, Subscribe to VenuesNow – 2 Years or Subscribe to VenuesNow – 3 Years. If you are already a member of VenuesNow, please login here: log in