The Packaging Corporation of America, also known as PCA, provides a variety of containerboards and specialty application boxes. The public company manufactures a range of corrugated packaging products in more than 65 plants. It offers conventional shipping containers that are used to protect and transport goods. In addition, the Packaging Corporation of America provides various multicolor boxes and displays that are used to merchandise products in retail outlets. The company serves customers in the agriculture and food and beverages industries nationwide. It employs over 8,000 people and offers products under the BulkMaster, Grid-Lok and PowerPly brands. The Packaging Corporation of America provides technical, design and value improvement services. Its subsidiaries include Dixie Container Corporation and PCA Hydro.