Here at Johns Manville, we build on decades of experience to manufacture commercial roofing, premium-quality insulation and a variety of engineered products for our customers. We are proud to be part of Berkshire Hathaway, one of the most respected companies in the world. Our values of People, Passion, Perform and Protect drive the way we work as we strive to deliver positive and powerful JM Experiences to our employees and to our customers. Our company is based in Denver, CO, where you will also find our global research and development facilities. With over 8,000 employees and 46 manufacturing and sales locations across North America, Europe and China, we serve customers in over 80 countries. Our employees are united across business functions and work globally with other JM employees.Something looks off?