National Landmark Projects

National Landmark Projects¬†(NTHP) Awarded to Canning because of “Do No Harm” Approach

Services - National Landmark

Conservation of decorative finishes and artwork for America’s national treasures has been a specialty of John Canning & Company since it was first established in 1976. When it comes to national landmark projects and our country’s national treasures, the importance of historically accurate conservation cannot be stressed enough.¬†


Our studio adheres to the AIC’s code of ethics and guidelines for practice. We are guided by the principles of “do no harm”, reversibility of treatments, and documentation.

John Canning & Company is the foremost architectural arts and building conservation studio in U.S.