The state of Wisconsin requires the professional geologist stamp to be between 1 5/8 inches and 2 inches in diameter. We offer the Wisconsin professional geologist stamp in one size; 1 5/8 inches.
In case you have any questions on the Wisconsin professional engineer stamp requirements or any other regulatory questions, we have included the Wisconsin 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