Leeds Clark, Inc. has developed good relationships with the preservation community throughout 30 plus years in business. Without these associations, Leeds Clark would not be the company it is today. From a small commercial Main Street window workshop to a full blown historic window restoration effort on a federal courthouse, Leeds Clark has forged career long relationships with fellow preservationists, preservation organizations, government agencies, and private sector firms.

Leeds Clark is a member of:

The National Trust for Historic Preservation provides leadership, education, advocacy, and resources to save America's diverse historic places and revitalize our communities. The National Trust for Historic Preservation is a private, nonprofit membership organization dedicated to saving historic places and revitalizing America's communities.
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The Association for Preservation Technology International (APT) is a cross-disciplinary, membership organization dedicated to promoting the best technology for conserving historic structures and their settings. APT members are directly involved in the application of methods and materials to maintain, conserve, and protect historic structures and sites for future use and appreciation.
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Tom Clark is Vice President of the Texas Chapter








Leeds Clark has developed a good rapport and is in good standing with the following oranizations, as it relates to the preservation of historic windows.

Leeds Clark is listed in the following:






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





Leeds Clark has participated in window workshops and case studies at Universities across the country including the following: