Who is the parent company of Johns Manville?

The parent company of Johns Manville is Berkshire Hathaway Inc., which is American multinational conglomerate holding company headquartered in Omaha, Nebraska, led by Warren Buffett as Chairman and CEO, and is one of largest companies in world by market capitalization. Berkshire Hathaway acquired Johns Manville in 2001 for about 1.8 billion dollars after Johns Manville emerged from asbestos bankruptcy and reorganization, making it wholly owned subsidiary. Berkshire Hathaway purchased Johns Manville as part of its building products group, which also includes companies like Acme Brick, Benjamin Moore, Shaw Industries, and MiTek, with total building products revenue around 10 to 12 billion dollars. Before Berkshire Hathaway, Johns Manville was independent public company that filed Chapter 11 bankruptcy in 1982 due to asbestos liabilities, then reorganized. Berkshire Hathaway ownership has provided long-term stability, allowing Johns Manville to focus on insulation, roofing, and engineered products without short-term profit pressure, typical of Berkshire's long-term ownership philosophy. Johns Manville operates independently with headquarters in Denver, Colorado, but financial results are consolidated into Berkshire Hathaway annual reports. So parent company is Berkshire Hathaway Inc., owned by Warren Buffett, which owns 100 percent of Johns Manville since 2001 acquisition.