ISA INTERNATIONAL SIGN EXPO 2009 is returning to Mandalay Bay Convention Center, in Las Vegas, Nevada. Educational and networking events will take place April 15-18 and the exhibit hall will be open April 16-18. Join us for the sign industry's signature event, the premier platform to conduct domestic and international business in the sign industry. Register to attend ISA International Sign Expo 2009. To exhibit at the ISA International Sign Expo, please contact Mellisa Cooper at mellisa.cooper@signs.org or (703) 836-5685.