Founded in 1996 and headquartered in Hoquiam, Washington, Paneltech International Holdings, Inc. operates as an integrated producer of environmentally friendly construction materials. The company manufactures solid surface composites made from phenolic resin and paper under the brand names Paperstone, Rainstone, and Stonekast, which are utilized for kitchen and bathroom countertops, architectural elements, and various other applications. Beyond building materials, Paneltech also develops specialized phenolic resins for ballistic applications, including those used in woven Kevlar and fiberglass fabrics, as well as other protective materials for vehicle armor and blast protection for facilities.