Johns Manville (JM) manufacturing facilities are strategically positioned in North America, Europe and Asia. Founded in 1858, JM has four main business groups: Engineered Products North America, Engineered Products Europe/Asia, Insulation Systems and Roofing Systems. Products from these businesses are marketed throughout the world.
Please use the interactive map below to see our operations in North America, Europe and Asia by location or business group and view local contact information.
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