Johns-Manville ceased operations on the site in 1998, according to the EPA, and its former manufacturing buildings were demolished in 2000 and 2001. (Dan Moran/Lake County News-Sun) ...

Johns Manville CEO Bob Wamboldt speaks with Warren Buffett, Greg Abel and Becky Quick at the Berkshire Hathaway Annual Meeting about how the company is sourcing materials, the state of housing and ...

DENVER, February 25, 2025--Johns Manville announced today a new Climate Pro blowing wool production line will be built in Winder, GA.

DENVER — Johns Manville (JM), a global building and specialty products manufacturer and a Berkshire Hathaway company, announced today a new Climate Pro blowing wool production line will be built in ...

Johns Manville, which moved to Downtown in 1988, had searched other possible locations for its global headquarters, including outside Denver, the company said. ...

A Denver jury has awarded a small Washington company $20.3 million plus legal fees in its anti-trust lawsuit against Johns Manville Corp., the Denver-based building products maker owned by Berkshir… ...

Berkshire Hathaway unit Johns Manville owes a rival manufacturer at least $6.8 million for illegally monopolizing the market for a material used for insulating pipe at oil refineries, power ...

A federal appeals court on Monday revived an antitrust lawsuit accusing Johns Manville, a unit of billionaire Warren Buffett's Berkshire Hathaway, of monopolizing the market for calcium silicate ...

A federal appeals court on Monday revived an antitrust lawsuit accusing Johns Manville, a unit of billionaire Warren Buffett's Berkshire Hathaway, of monopolizing the market for calcium silicate, a ...

A federal appeals court on Monday revived an antitrust lawsuit accusing Johns Manville, a unit of billionaire Warren Buffett's Berkshire Hathaway , of monopolizing the market for calcium silicate ...

Johns Manville glass fiber plant in Trnava, Slovakia. Photo Credit: Johns Mansville Johns Manville (Denver, Colo., U.S.) announced on April 17 that it will restart a glass melter in Trnava, Slovakia ...