A Special Opportunity to JOIN IIDA Count Yourself Among Our Commercial Interior Design Community. Join our seminal community of commercial interior designers who are shaping their communities, shifting the human experience through their work, and leading the future of our industry. design:retail readers who qualify for IIDA Professional or Associatelevel membership can take advantage of a special dues offer through August 31, 2017. To learn more, visit www.iida.org.http://www.iida.org http://www.iida.org