 Manufacturing in Longview accounts for 19% of the employment and easy access to the Columbia River, Interstate 5, and the west coast railways has attracted a rapidly diversifying manufacturing base.The abundance of timber around Longview provides the city's former two largest employers, Weyerhaeuser and Kapstone with timber products.Other major manufacturers in Longview include NORPAC (newsprint), Solvay Chemicals (hydrogen peroxide), and Westlake Chemical (formerly Axiall).