Where is John Manville insulation made?

Johns Manville insulation is made in several plants across United States, Canada, and Europe, with main US manufacturing sites producing fiberglass and mineral wool insulation for residential, commercial, and industrial markets. In USA, Johns Manville makes fiberglass insulation at plants in Defiance, Ohio, which is large facility making batts and rolls, McPherson, Kansas making fiberglass, Scottsboro, Alabama, Etowah, Tennessee, and other locations. In Canada, Johns Manville insulation is made in Innisfail, Alberta plant, which produces fiberglass batts and rolls for Canadian market, and also imports from US plants. In Europe, Johns Manville makes insulation in Germany and other countries. Johns Manville is owned by Berkshire Hathaway since 2001, headquartered in Denver, Colorado, and is major insulation manufacturer alongside Owens Corning and CertainTeed. Its insulation products include Formaldehyde-free fiberglass batts, blown-in insulation, and mineral wool. The company has about 40 plants worldwide. So Johns Manville insulation made primarily in US plants like Defiance, Ohio, McPherson, Kansas, Scottsboro, Alabama, plus Canada plant in Innisfail, Alberta, serving North American market, with products sold at Home Depot, Lowes, and building supply stores, made with recycled glass and sand, with formaldehyde-free binder technology.