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How many employees does Johns Manville have?

Asked by Anonymous Oct 03, 2026 5 views 1 answers
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Answered Oct 06, 2026
Johns Manville has approximately 7,000 to 8,000 employees worldwide as of recent years 2023 to 2024, with exact number fluctuating due to market conditions, acquisitions, and plant operations. According to Berkshire Hathaway annual reports and Johns Manville corporate information, employee count is around 7,300 to 7,800 globally, including manufacturing workers at 40 to 45 plants across North America, Europe, and Asia, plus engineers, sales, R&D, and corporate staff at headquarters in Denver, Colorado. Majority of employees are in United States at plants like Defiance, Ohio, McPherson, Kansas, Scottsboro, Alabama, Etowah, Tennessee, and Pueblo, Colorado making insulation and roofing, plus plant in Innisfail, Alberta, Canada making fiberglass insulation for Canadian market. Johns Manville is owned by Berkshire Hathaway since 2001, and as Berkshire subsidiary, it has stable employment with good benefits. Historically, Johns Manville had many more employees, over 30,000 at peak in 1970s when it was large asbestos manufacturer before bankruptcy in 1982 led to downsizing. After reorganization in 1988, workforce was reduced and focused on fiberglass and roofing. Today, employee count of about 7,500 makes it mid-sized big company in building materials industry, with revenue around 3.5 billion dollars, known for insulation and commercial roofing, with stable employment due to Berkshire Hathaway long-term ownership philosophy.
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