The Structural Engineering Engagement and Equity (SE3) Project was established with the mission of improving engagement and equity in the structural engineering profession in order to provide meaningful input on improving both of these metrics within the industry.  
www.se3committee.com
http://www.ncsea.com/committees/se3/
www.se3project.org

The mission of Women in Restoration Engineering (WiRE) is to encourage and empower women in the restoration, engineering, design, construction, management, ownership, material support, conservation, environmental or any field relevant to the Built World (everyone is welcome)!
https://www.womenwire.org

The Queer Advocacy and Knowledge Exchange
(Qu-AKE) is a national, nonprofit, inclusive network for professionals working in the fields of civil engineering, architecture, urban planning, geosciences and construction. We exist to ensure visibility and protection of LGBTQ+ professionals in our fields, by facilitating networking opportunities, providing a forum for mentorship, and fighting discrimination against members of our community in the workplace.
https://qu-ake.org/