Which Wisconsin Open Carry laws are an issue, please? They're pretty much like other states prohibited places; schools, government, taverns, courthouses, ... Of course the devil is in the details, so here is the link URL to ALL Wisconsin statutes
In the upper right corner is a search box that will highlight all occurrences of, for instance, firearms.
Give a man a fish and he eats what you have given him. Teach him to find what he needs and he is healthy and satisfied for life. Best wishes from the resident troll.