The state of Ohio requires the professional engineer stamp to be 1 3/4 inches in diameter. We offer the Ohio professional engineer stamp in one size; 1 3/4 inches.
In case you have any questions on the Ohio professional engineer stamp requirements or any other regulatory questions, we have included the Ohio Engineer boards contact information below for your convenience.
Ohio State Board:
State Board of Registration for Professional Engineers and Surveyors
50 West Broad Street, Suite 1820
Columbus, OH 43215-5905