AmWINS Group Inc. has completed its acquisition of Horsham, Pa.-based specialty insurance broker Partners Specialty Group LLC. AmWINS announced in April the two companies expected to combine within 45 to 60 days. The acquisition boosts AmWINS' position as a leading specialty insurance distribution firm, now handling more than $14 billion in annual premium placements. AmWINS has about 4,200 employees spread across 12 countries. Partners Specialty Group, which started in 1999, has roughly 170 employees...