The Association for Preservation Technology International (APT) is a not-for-profit, multidisciplinary, membership organization dedicated to promoting the best technology for conserving and preserving historic structures and their settings. Founded in 1968 by preservationists from Canada and the United States, it now has 1,500 members from 30 countries, with headquarters in Springfield, Illinois. APT’s activities include conferences, training and education programs, and publications on the technical aspects of preservation.
APT members include architects, engineers, conservators, consultants, contractors, craftspeople, curators, administrators, program managers, developers, educators, historians, landscape architects, materials suppliers, students, technicians, and others involved in historic preservation.