The packaging industry utilizes many materials like glass, plastic, paper, and corrugated board. Packaging companies source large quantities of the materials, machinery, and services they need on ThomasNet.com. These include items like assembly systems, automated case sealers, balers, bag sealers, bottle cappers, and more. Major packaging companies like Ball, Crown Holdings, MeadWestvaco, Owens-Illinois, Sealed Air, and Smurfit-Stone Container use ThomasNet.com to find suppliers.