APTCP serves Missouri, Kansas, Iowa, Nebraska, and Oklahoma and is dedicated to promoting the best technology for conserving historic structures and their settings. The Association for Preservation Technology-Central Plains Chapter is a non-profit, educational organization dedicated to promoting the best technology for conserving historic structures and their settings. Our members include architects, engineers, historians, contractors, consultants, artisans, property owners, and manufacturers. The Central Plains chapter is one of 18 Chapters within the Association for Preservation Technology International (APTI) group. The other APT Chapters are located throughout the United States, Australia, Canada, and Latin America. The Chapters are comprised of members from more than 30 countries.