Johns Manville Email Format

ManufacturingColorado, United States1001-5000 Employees

Johns Manville is a manufacturing company that produces commercial roofing systems, high-quality insulation, and a range of engineered products for the construction sector. It serves customers across North America and Europe and has a global footprint spanning more than 80 countries, with its global research and development operations based in Denver, Colorado.
The company operates as part of Berkshire Hathaway, linking it to a diversified parent organization. It operates under a set of guiding values—People, Passion, Perform, and Protect—that influence its approach to work with both employees and customers. In January 2026, Johns Manville launched an interactive digital experience to illustrate its offerings and capabilities.

Sign up for free to view info

Company overview Employee directory