Glatfelter Corporation, formerly P. H. Glatfelter Company, is a manufacturer of fiber-based engineered materials. The Company operates through two business units: Composite Fibers and Advanced Airlaid Materials. Its Composite Fibers business unit is engaged in the sale of single-serve tea and coffee filtration papers, non-woven wallcovering materials, metallized papers, composite laminates papers, and various technically special papers, including substrates for electrical applications. Its Advanced Airlaid Materials is engaged in the sale of airlaid non-woven fabric-like materials used in feminine hygiene and adult incontinence products, wipes and other airlaid applications. The Company owns and operates manufacturing facilities located in Pennsylvania, Ohio, Canada, Germany, the United Kingdom, France and the Philippines.