In January 2016  Precision Castparts Corp. became a sibsidiary of a multinational conglomerate holding company headquartered where?
Precision Castparts Corp.:  In January 2016, the company became a subsidiary of Berkshire Hathaway. Berkshire Hathaway: Berkshire Hathaway Inc. is an American multinational conglomerate holding company headquartered in Omaha, Nebraska, United States.
i don't know