Stillwater Milling Company | Stillwater Milling Company
Manufacturers. AK Steel, USX Corporation, Porter Hayden Co., a former installer of asbestos-containing insulation products, LTV Steel, Weirton Steel and Wheeling-Pittsburgh Steel Corp. have been involved in asbestos litigation for exposing steel mill workers. Keystone Steel & Wire Co. also manufactured asbestos products used by steel mill works.