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Do you know a network that should be added or a network that is no longer active?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.

International Concrete Repair Institute


The International Concrete Repair Institute is a 501(c)6 that provides education, certification, networking and leadership to improve the quality of repair, restoration, protection, and preservation of concrete and other material systems.


Open to individuals and businesses


Annual conference, regional chapter events, webinars


Technical Publications, Concrete Repair Bulletin

Trade Skills


Events hosted by ICRI