In which city is the main U. S. office of this multinational diversified industrial company that merged Schroff GmbH located?
Schroff GmbH:  It is now part of the UK-based company Pentair. Pentair: Pentair plc (PNR) is a multinational diversified industrial company incorporated in Ireland with tax residency in UK, with its main U.S. office located in Minneapolis, Minnesota.
Minneapolis, Minnesota