PCA Middletown, one of the facilities operated by the Packaging Corporation of America, offers corrugated containers and displays for the industrial and consumer-oriented markets. It provides sample making, pallet utilization, strength analysis, consultation and package performance testing services. The facility is certified by the International Organization for Standardization. It offers graphics design services through the PCA Cincinnati Design Center. PCA Middletown has computer-aided design and computer-aided marketing capabilities and serves clients in Ohio, Indiana and Kentucky. The Packaging Corporation of America is one of the leading, publicly traded manufacturers of containerboards in the world. The parent company maintains a work force of more than 8,000 employees. It provides packaging optimization, troubleshooting, new product development, technical consultation, and material and unit load testing solutions. The Packaging Corporation of America operates over 65 corrugated product plants. Its products are available under the BulkMaster, Grid-Lok, PowerPly and Field-to-Retail brands.