• Flexographic Technical Association
  Only technical society of the flexographic printing industry.
  
• Technical Association of the Pulp and Paper Industry
  World's largest professional organization dedicated to the Paper and Pulp industries.
• Institute of Packaging Professionals
  A national association of packaging-related professionals, companies, organizations, and institutions.
• Boxboard Containers International
  Information about the box and carton industry around the world.
• Packaging Online
  The complete source for news information related to the packaging industry.
• GS1 US
  Information pertaining to bar codes.