Michael F. Sullaway, P.E. developed and serves as the Engineer of Record for pre-approved/permitted Sign Engineering Standards.  Currently the following states still use the 2018 IBC codes however some have adopted the 2021 IBC codes.  Please contact the state sign association if you are interested in using the standardized engineering.  If you have questions pertaining to the sign standards, please reach out to our office and one of our engineers will gladly assist you.