Matthew Robert O'callaghan
Matthew Robert O'callaghan's Illinois Structural Engineer stamp
Watermarked specimen
This downloadable Illinois Structural Engineer stamp specimen was generated for Matthew Robert O'callaghan from the public license details in this directory listing, including license number 081007718. The preview is watermarked and does not prove that Matthew Robert O'callaghan approved or sealed a document.
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Matthew Robert O'callaghan is a licensed Structural Engineer in Illinois. The credential is registered under license number 081007718 and is currently active. It has been on record since 2015. Licensure is issued and verifiable through the Illinois Department of Financial and Professional Regulation - Design Professionals.