M3 Insurance, the largest insurance broker and risk management firm in the state, merged on Jan. 1 with Fond du Lac based Hierl Insurance.
Mike Hierl will continue to lead the Hierl team, which will not change, according to a release. In addition to the Hierl office, M3, which is led by President/CEO Mike Victorson, has offices in Eau Claire, Green Bay, Madison, Milwaukee, and Wausau.
