North America

Johns Manville, a Berkshire Hathaway Company headquartered in Denver, Colorado, employs approximately 7,500 people worldwide. We have three business units – Insulation Systems, Roofing Systems and Engineered Products – and manufacturing operations in North America, Europe and China. 

At JM, our employees are given the resources and support necessary to be successful. We encourage teamwork and provide a safe and rewarding work environment. 

JM is committed to sustainability. Our goal is to meet the needs of current stakeholders without sacrificing the needs of future generations.  We strive to continually improve our sustainability practices by focusing on innovation, productivity and leadership. For additional information on our approach to sustainability, please read our Sustainability Report.

We support diversity and encourage our employees to continue to learn new skills. Johns Manville maintains a drug-free workplace and performs pre-employment substance abuse testing.

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