Founded in 1858, Johns Manville is an American corporation based in Denver, Colorado that manufactures insulation, roofing materials, and engineered products. For much of the 20th century, the then-titled Johns-Manville Corporation was the global leader in the manufacture of asbestos-containing products, including pipe insulation, asbestos shingles, asbestos roofing materials and asbestos cement pipe. Johns Manville has been known colloquially by the shorthand "J-M" or simply as "JM".^{[citation needed]}

Johns Manville stock was included in the Dow Jones Industrial Average from January 29, 1930 to August 27, 1982 when it was replaced by American Express. In 1981, Johns-Manville Corporation was renamed simply "Manville". In 1982, facing unprecedented liability for asbestos injury claims, Johns Manville voluntarily filed for bankruptcy under Chapter 11 of the U.S. Bankruptcy Code.

Berkshire Hathaway bought the company in 2001. Chairman & CEO Jerry Henry retired in 2004; Steve Hochhauser became Chairman, President & CEO. Todd Raba succeeded him in the summer of 2007; Raba came from Mid-American Energy Holdings, another Berkshire Hathaway company.

Jimmie Kenneth Johnson (born September 17, 1975) is an American NASCAR Sprint Cup Series race car driver. He currently drives the No. 48 Lowe's Chevrolet for Hendrick Motorsports.

Johnson was born in El Cajon, California, and began racing motorcycles at the age of five. After graduating from Granite Hills High School he competed in off-road series. He raced in Mickey Thompson Entertainment Group (MTEG), Short-course Off-road Drivers Association (SODA) and SCORE International, winning rookie of the year in each series. In 1998, Johnson and his team began stock car racing. He moved to the national American Speed Association (ASA) series for late model touring cars, and won another rookie of the year title. In 2000, he switched to the NASCAR Busch Series (now Nationwide Series).

He moved to Hendrick Motorsports in the Sprint Cup Series in 2002. After finishing fifth in the points in his first full season, he was second in 2003 and 2004 and fifth in 2005. Johnson won his first Cup series championship in 2006 and with further wins in 2007, 2008, 2009 and in 2010 became the only driver in NASCAR history to win five consecutive championships. During the 2011 season, Johnson finished sixth in points. Between 2002 and 2012, Johnson has recorded 56 wins, 232 top-tens, and 25 pole positions.