Networks are an important element in developing professional connections, education, and communities. This is a directory of networks related to the historic trades.

Connect with Professionals

This page hosts a roster of professional networks related to the historic building trades. Membership-based networks are open to individual, organizational, and/or businesses–some networks will have prerequisite qualifications.

Do you know a network that should be added or a network that is no longer active? Submit an entry! This helps us keep the database an up-to-date and relevant resource. As available, please include the name of the organization, contact information, website and social media, membership type, activities and publications, and trade skills practiced.

Window Preservation Alliance


The Window Preservation Alliance is a 501(c)6 whose aim is to include all who want to help change the conversation about windows, from building owners, tradespeople, and architects.


Open to individuals and businesses


Annual conference and regional events


Member newsletter

Trade Skills

Window Restoration

Events hosted by WPA