COR Improvements LLC Contractors COR Improvements LLC Visit Website Request Info 5916 N. Green Bay Ave Glendale, WI 53209 414-745-6319 (414) 540-6503 (fax) About Map About General Contractor that services in Southeastern WI since 2007 for residential and commercial. 100% Woman and minority owned. What's Nearby? Distance: 5 10 15 20 25 50 mi.