The state of Wisconsin requires the professional engineer stamp to be between 1 5/8 inches and 2 inches in diameter. We offer the Wisconsin professional engineer stamp in two sizes; 1 5/8 and 2 inches in diameter.
In case you have any questions on the Wisconsin professional engineer stamp requirements or any other regulatory questions, we have included the Wisconsin Engineer boards contact information below for your convenience.
Wisconsin State Board:
State of Wisconsin Department of Safety and Professional Services
PO Box 8935
Madison, WI 53708-8935