Architectural Metal Systems (AMS) has been formed as a new business unit of MagnaTrax Corp. AMS was formed by combining the Roofing and Architectural Products division with Roofing and Architectural Systems, Portland, Tenn.
December 20, 2000 — Building materials maker Johns Manville Corp., Denver, said it has entered into a definitive agreement to be acquired by Berkshire Hathaway Inc.