Milwaukee - Patched Works in Elm Grove (tiny town in between Brookfield and Wauwatosa). You will not be disappointed. North of Milwaukee stop at Material Matters in Thiensville (off I43 by Mequon)
Door County - only remaining shop is in downtown Sturgeon Bay, Barn Door Quilt....nice shop.
Green Bay has five shops...Quilting Divas, My Favorite Quilt Shop, Quilters Connection, Julie's (primarily sewing machines brother and janome), Silver Thimble, and in DePere Life's a Stitch (bernina dealer and nice fabrics and embroidery supplies).
Enjoy....we are having very pleasant weather!