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.


Luther M Sligh

RAFN Company

Snohomish, Washington, United States


Mando R Cassius

Fairview lass Ltd.

Whitby, Ontario, Canada


Manuel O Mederos

Hackensack UMC Palisades

Cliffside Park, New Jersey, United States


Marcin Skibniewski

Local 25

Middletown, New Jersey, United States


Mario A Cuadros


Black Diamond, Washington, United States


Mark D Kaser

Lee Door Products

Louisville, Kentucky, United States


Mark D Stollenmaier

Empire Test & Balance

Wantage, New Jersey, United States


Mark E Taggart


Martinez, California, United States


Mark R Pettyjohn

Local 718

El Sobrante, California, United States


Mark W Zayac

Utica Glass

Rome, New York, United States