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.


Michael P Gerrish


Oak Park, Illinois, United States


Michael Silbert

Michael Silbert, Architect

Boulder, Colorado, United States


Michael W Turkal

District Council 6

Olmsted Twp, Ohio, United States


Michelle Armbrust

Keystone Property Connection

Norristown, Pennsylvania, United States


Mike D Mavius

Jangho Curtainwall

NORTH VANCOUVER, British Columbia, Canada


Mike J Maiers

R.A. Kennedy & Sons

Mohnton, Pennsylvania, United States


Min Soo (Isaac) Kim


Skokie, Illinois, United States


Muhammad I Heyward

Local 25

Newark, New Jersey, United States


Neil A Marwan


Suisun City, California, United States


Nicholas J Korsakoff

Millar Sheet Metal

Totowa, New Jersey, United States