Per Mar Security Services is expanding its customer base in northern Wisconsin with the acquisition of the security division of Dream Systems, which has branch locations in both Minocqua and Schofield. “Dream Systems has a very loyal client base in northern Wisconsin, and we look forward to serving these customers for years to come,” said Brian Duffy, CEO of Per Mar. “We already have a great customer base in that area, and some really exceptional employees.” Davenport-based Per Mar has several offices in the Midwest, including in Urbandale.