Green Advantage Online Directory

Find Credentialed Personnel

Are you looking for knowledgeable construction field personnel prepared to meet your projects’ rigorous environmental, productivity, efficiency, safety, and budgetary goals?
The Green Advantage easy-to-search Online Directory of GA credentialed personnel can help you find qualified team members who can deliver healthy, high performance buildings for you.
*Please note that directory listings are voluntary and may not include all GA certified personnel.


William Threatt

Ross Group

Hopkins, South Carolina, United States


William E Stein

Advanced Metal & Glass

Lansdale, Pennsylvania, United States


Willian A Carpio

Independent Sheet Metal

Newark, New Jersey, United States


Woodrow W Hoffer II

James S. Jacobs Architecture

Monroe, Michigan, United States


Zachary T Rose


Algonquin, Illinois, United States


Zhiqiang Li

Yuanda USA Inc.

Markham, Ontario, Canada