The state of Oklahoma requires the professional engineer stamp to be 1 3/4 inches in diameter. We offer the Oklahoma professional engineer stamp in one size; 1 3/4 inches.
In case you have any questions on the Oklahoma professional engineer stamp requirements or any other regulatory questions, we have included the Oklahoma engineer boards contact information below for your convenience.
Oklahoma State Board:
Oklahoma State Board of Licensure for Professional Engineers and Land Surveyors
220 NE 28th Street, Suite 120
Oklahoma City, OK 73105