Leeds Clark, Inc. has developed a good rapport and is in good standing with the following organizations, as it relates to the preservation and restoration of historic structures.

Leeds Clark, Inc. is listed in the following:

Old places are where our lives, memories, and stories began. They connect us to the past, anchor us to the present, and lead us into the future. These places inspire us to create a stronger nation, because they belong to all of us.

For 70 years, the National Trust for Historic Preservation has led the movement to save America’s historic places. A privately funded nonprofit organization, we work to save imperiled buildings, revitalize downtowns, and tell stories that help all people see themselves in our nation’s diverse history.

Thanks to the passion and dedication of our advocates and supporters, we’re able to protect hundreds of places every year. Help us save places that matter—for ourselves, each other, and our future together.  View Website

Leeds Clark, Inc. has participated in window workshops and preservation/restoration case studies at Universities across the country including the following:


Leeds Clark, Inc. is a member of:

The Association for Preservation Technology International (APT) is a multi - disciplinary, membership organization dedicated to promoting the best technology for conserving/preserving historic structures and their settings. Membership in APT provides exceptional opportunities for networking and the exchange of ideas.

APT members, who hail from more than 30 countries, include preservationists, architects, engineers, conservators, consultants, contractors, craftspersons, curators, developers, educators, historians, landscape architects, students, technicians, and other persons directly involved in the application of methods and materials to maintain, conserve, and protect historic structures and sites for future use and appreciation.

View Website

Member & Associations

Leeds Clark, Inc. has developed great relationships and partnerships with the preservation/restoration community throughout 40+ plus years in business. Without these associations and friendships, Leeds Clark, Inc. would not be the company it is today. From a small commercial Main Street window workshop to a full blown historic window preservation/restoration effort on a federal courthouse, Leeds Clark has forged career long relationships and partnerships with fellow preservationists, preservation organizations, government agencies, and private sector firms and owners.

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Leeds Clark has participated in window workshops and preservation/restoration seminars with the following: