Johns Manville, a Berkshire Hathaway company (NYSE: BRK.A, BRK.B), is a leading manufacturer and marketer of premium-quality products for building insulation, mechanical insulation, commercial roofing, and roof insulation, as well as fibers and nonwovens for commercial, industrial, and residential applications. JM serves markets that include aerospace, automotive and transportation, air handling, appliance, HVAC, pipe and equipment, filtration, waterproofing, building, flooring, interiors, and wind energy.  In business since 1858, the Denver-based company has annual sales in excess of $2 billion and holds leadership positions in all of the key markets that it serves. JM employs approximately 7,500 people and operates 40 manufacturing facilities in North America, Europe and China.

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