Johns Manville Corporation

Johns Manville (JM) is a leading manufacturer and marketer of premium-quality insulation and commercial roofing, along with glass fibers and nonwovens for commercial, industrial, and residential applications. Some of its offerings include filtration products, reinforcement fiberglass, roving, advanced composites, membrane roofing systems, fasteners, plates, primers, and building, home, HVAC, and mechanical insulation products, among others. Its products are used in a wide variety of industries including building products, aerospace, automotive and transportation, filtration, commercial interiors, waterproofing, and wind energy. JM serves customers in more than 80 countries around the globe. Warren Buffett's diversified holding company Berkshire Hathaway owns JM.

Petroleum and Coal Products Manufacturing; Foundation, Structure, and Building Exterior Contractors; Building Finishing Contractors

Petroleum Refining and Related Industries; Masonry and Other Stonework; Masonry, Stonework, Tile Setting, and Plastering

$3804.39M