Johns Manville Corporation · Denver, CO United States

When you want to be insulated from the vagaries of life, turn to Johns Manville (JM). JM produces commercial and industrial roofing systems and formaldehyde-free fiberglass building insulation for the commercial and residential building industries. One of the nation's top makers of residential building insulation, JM also produces specialty insulation for the aerospace, transportation, acoustics, appliance, and HVAC industries. Other offerings include fire-protection systems, thermal and acoustical insulation, glass textile wallcoverings, and fibers and nonwoven mats used in roofing and flooring. JM operates more than 40 plants in China, Europe, and North America. Warren Buffett's Berkshire Hathaway owns JM. To read the full description, subscribe now.